From 2cbb4dbc31607ba58135947f8272af3c7e05d32b Mon Sep 17 00:00:00 2001
From: frytimo <tim.fry@hotmail.com>
Date: Thu, 22 Aug 2024 15:41:10 -0300
Subject: [PATCH] remove instances where a pointer is used in a foreach loop
 for value (#7108)

---
 .../classes/basic_operator_panel.php          |  6 ++--
 app/call_block/call_block_edit.php            |  8 ++---
 app/call_centers/app_defaults.php             |  2 +-
 app/call_centers/call_center_queue_edit.php   |  4 +--
 app/call_forward/call_forward_edit.php        |  4 +--
 app/calls_active/calls_active_inc.php         |  4 +--
 app/click_to_call/click_to_call.php           |  2 +-
 .../resources/classes/conference_centers.php  |  2 +-
 app/contacts/contacts_vcard.php               |  6 ++--
 app/destinations/destination_edit.php         |  4 +--
 .../resources/classes/destinations.php        | 18 +++++------
 app/devices/app_defaults.php                  |  6 ++--
 app/devices/device_download.php               |  2 +-
 app/devices/device_imports.php                |  8 ++---
 app/devices/device_profile_edit.php           |  2 +-
 app/devices/device_vendor_functions.php       |  2 +-
 .../resources/dashboard/device_keys.php       |  4 +--
 app/dialplan_inbound/dialplan_inbound_add.php |  2 +-
 .../resources/classes/dialplan.better.php     | 10 +++----
 app/dialplans/resources/classes/dialplan.php  | 10 +++----
 app/extensions/extension_edit.php             |  8 ++---
 .../resources/classes/extension.php           |  4 +--
 .../resources/dashboard/caller_id.php         |  2 +-
 app/fax/fax_emails.php                        | 10 +++----
 app/fax/fax_send.php                          |  2 +-
 app/fax/resources/functions/parse_message.php |  6 ++--
 app/ivr_menus/ivr_menu_copy.php               |  2 +-
 app/ivr_menus/ivr_menu_edit.php               |  2 +-
 .../resources/functions/ivr_menu_xml.php      |  2 +-
 app/modules/app_defaults.php                  |  2 +-
 app/modules/resources/classes/modules.php     |  2 +-
 app/music_on_hold/music_on_hold_edit.php      |  4 +--
 app/number_translations/app_defaults.php      |  2 +-
 .../resources/classes/number_translations.php |  2 +-
 app/phrases/app_defaults.php                  |  4 +--
 app/phrases/phrase_edit.php                   |  2 +-
 app/provision/resources/classes/provision.php |  6 ++--
 app/recordings/app_defaults.php               |  4 +--
 app/recordings/recordings.php                 |  2 +-
 .../resources/classes/switch_recordings.php   |  2 +-
 app/sip_profiles/app_defaults.php             |  4 +--
 app/sip_profiles/sip_profile_copy.php         |  4 +--
 app/voicemail_greetings/app_defaults.php      |  6 ++--
 .../resources/classes/voicemail.php           |  4 +--
 .../resources/dashboard/voicemails.php        |  2 +-
 app/voicemails/voicemails.php                 |  4 +--
 app/xml_cdr/xml_cdr.php                       |  4 +--
 app/xml_cdr/xml_cdr_search.php                |  4 +--
 core/databases/app_defaults.php               |  2 +-
 core/default_settings/default_settings.php    |  2 +-
 core/domain_settings/domain_setting_edit.php  |  2 +-
 core/domain_settings/domain_settings.php      |  2 +-
 core/events/resources/classes/events.php      |  4 +--
 core/groups/group_members.php                 |  4 +--
 core/groups/permissions_copy.php              |  2 +-
 core/groups/resources/classes/permission.php  |  4 +--
 core/menu/menu_item_list.php                  |  4 +--
 core/permissions/app_defaults.php             |  2 +-
 core/upgrade/index.php                        |  2 +-
 core/user_settings/user_setting_edit.php      |  2 +-
 core/user_settings/user_settings.php          |  2 +-
 resources/classes/database.php                | 16 +++++-----
 resources/classes/directory.php               |  4 +--
 resources/classes/domains.php                 |  8 ++---
 resources/classes/email.php                   |  2 +-
 resources/classes/event_socket.php            |  2 +-
 resources/classes/groups.php                  |  2 +-
 resources/classes/schema.php                  | 30 +++++++++----------
 resources/classes/sounds.php                  |  4 +--
 resources/functions.php                       |  2 +-
 resources/login.php                           |  2 +-
 resources/switch.php                          | 24 +++++++--------
 secure/fax_to_email.php                       |  2 +-
 73 files changed, 170 insertions(+), 170 deletions(-)

diff --git a/app/basic_operator_panel/resources/classes/basic_operator_panel.php b/app/basic_operator_panel/resources/classes/basic_operator_panel.php
index bcbff94eb6..234726fb46 100644
--- a/app/basic_operator_panel/resources/classes/basic_operator_panel.php
+++ b/app/basic_operator_panel/resources/classes/basic_operator_panel.php
@@ -77,7 +77,7 @@ if (!class_exists('basic_operator_panel')) {
 
 			//store extension status by user uuid
 				if (isset($extensions)) {
-					foreach($extensions as &$row) {
+					foreach ($extensions as $row) {
 						if ($row['user_uuid'] != '') {
 							$ext_user_status[$row['user_uuid']] = $row['user_status'];
 							unset($row['user_status']);
@@ -97,7 +97,7 @@ if (!class_exists('basic_operator_panel')) {
 			//build the response
 				$x = 0;
 				if (isset($extensions)) {
-					foreach($extensions as &$row) {
+					foreach ($extensions as $row) {
 						$user = $row['extension'];
 						if (!empty($row['number_alias'])) {
 							$user = $row['number_alias'];
@@ -143,7 +143,7 @@ if (!class_exists('basic_operator_panel')) {
 						//add the active call details
 							$found = false;
 							if (isset($json_array['rows'])) {
-								foreach($json_array['rows'] as &$field) {
+								foreach ($json_array['rows'] as $field) {
 									$presence_id = $field['presence_id'];
 									$presence = explode("@", $presence_id);
 									$presence_id = $presence[0];
diff --git a/app/call_block/call_block_edit.php b/app/call_block/call_block_edit.php
index a46c8deb41..73e010a900 100644
--- a/app/call_block/call_block_edit.php
+++ b/app/call_block/call_block_edit.php
@@ -491,7 +491,7 @@ if (permission_exists('call_block_all') || permission_exists('call_block_ring_gr
 		if (permission_exists('call_block_extension')) {
 			if (!empty($extensions)) {
 				echo "	<optgroup label='".$text['label-extension']."'>\n";
-				foreach ($extensions as &$row) {
+				foreach ($extensions as $row) {
 					$selected = ($call_block_app == 'extension' && $call_block_data == $row['extension']) ? "selected='selected'" : null;
 					echo "		<option value='extension:".urlencode($row["extension"])."' ".$selected.">".escape($row['extension'])." ".escape($row['description'])."</option>\n";
 				}
@@ -501,7 +501,7 @@ if (permission_exists('call_block_all') || permission_exists('call_block_ring_gr
 		if (permission_exists('call_block_ivr')) {
 			if (!empty($ivrs)) {
 				echo "	<optgroup label='".$text['label-ivr_menus']."'>\n";
-				foreach ($ivrs as &$row) {
+				foreach ($ivrs as $row) {
 					$selected = ($call_block_app == 'ivr' && $call_block_data == $row['ivr_menu_extension']) ? "selected='selected'" : null;
 					echo "		<option value='ivr:".urlencode($row["ivr_menu_extension"])."' ".$selected.">".escape($row['ivr_menu_name'])." ".escape($row['ivr_menu_extension'])."</option>\n";
 				}
@@ -511,7 +511,7 @@ if (permission_exists('call_block_all') || permission_exists('call_block_ring_gr
 		if (permission_exists('call_block_ring_group')) {
 			if (!empty($ring_groups)) {
 				echo "	<optgroup label='".$text['label-ring_groups']."'>\n";
-				foreach ($ring_groups as &$row) {
+				foreach ($ring_groups as $row) {
 					$selected = ($call_block_app == 'ring_group' && $call_block_data == $row['ring_group_extension']) ? "selected='selected'" : null;
 					echo "		<option value='ring_group:".urlencode($row["ring_group_extension"])."' ".$selected.">".escape($row['ring_group_name'])." ".escape($row['ring_group_extension'])."</option>\n";
 				}
@@ -521,7 +521,7 @@ if (permission_exists('call_block_all') || permission_exists('call_block_ring_gr
 		if (permission_exists('call_block_voicemail')) {
 			if (!empty($voicemails)) {
 				echo "	<optgroup label='".$text['label-voicemail']."'>\n";
-				foreach ($voicemails as &$row) {
+				foreach ($voicemails as $row) {
 					$selected = ($call_block_app == 'voicemail' && $call_block_data == $row['voicemail_id']) ? "selected='selected'" : null;
 					echo "		<option value='voicemail:".urlencode($row["voicemail_id"])."' ".$selected.">".escape($row['voicemail_id'])." ".escape($row['voicemail_description'])."</option>\n";
 				}
diff --git a/app/call_centers/app_defaults.php b/app/call_centers/app_defaults.php
index 74d82b1fa3..7cd7080c2b 100644
--- a/app/call_centers/app_defaults.php
+++ b/app/call_centers/app_defaults.php
@@ -45,7 +45,7 @@ if ($domains_processed == 1) {
 		$sql .= "and (t.call_center_queue_uuid is null or t.call_center_agent_uuid is null) ";
 		$tiers = $database->select($sql, null, 'all');
 		if (!empty($tiers)) {
-			foreach ($tiers as $index => &$row) {
+			foreach ($tiers as $index => $row) {
 				if ($row['call_center_queue_uuid'] == null && $row['queue_uuid'] != null) {
 					$array['call_center_tiers'][$index]['call_center_queue_uuid'] = $row['queue_uuid'];
 				}
diff --git a/app/call_centers/call_center_queue_edit.php b/app/call_centers/call_center_queue_edit.php
index c2753e29c7..f4b56d71e9 100644
--- a/app/call_centers/call_center_queue_edit.php
+++ b/app/call_centers/call_center_queue_edit.php
@@ -154,7 +154,7 @@
 			unset($sql, $parameters);
 
 			if (!empty($tiers)) {
-				foreach ($tiers as &$row) {
+				foreach ($tiers as $row) {
 					$call_center_agent_uuid = $row["call_center_agent_uuid"];
 					$call_center_queue_uuid = $row["call_center_queue_uuid"];
 					$queue_extension = $row["queue_extension"];
@@ -543,7 +543,7 @@
 		unset($sql, $parameters);
 
 		if (!empty($call_center_queues)) {
-			foreach ($call_center_queues as &$row) {
+			foreach ($call_center_queues as $row) {
 				$queue_name = $row["queue_name"];
 				$dialplan_uuid = $row["dialplan_uuid"];
 				$database_queue_name = $row["queue_name"];
diff --git a/app/call_forward/call_forward_edit.php b/app/call_forward/call_forward_edit.php
index 31d2b28c25..cbd7ba4709 100644
--- a/app/call_forward/call_forward_edit.php
+++ b/app/call_forward/call_forward_edit.php
@@ -468,7 +468,7 @@
 			$result = $database->select($sql, $parameters, 'all');
 
 			unset($destinations);
-			foreach ($result as $x => &$row) {
+			foreach ($result as $x => $row) {
 				$destinations[$x]['uuid'] = $row["follow_me_destination_uuid"];
 				$destinations[$x]['destination'] = $row["follow_me_destination"];
 				$destinations[$x]['delay'] = $row["follow_me_delay"];
@@ -510,7 +510,7 @@
 		echo "<script type=\"text/javascript\">\n";
 		echo "\$(function() {\n";
 		echo "	var extensions = [\n";
-		foreach ($extensions as &$row) {
+		foreach ($extensions as $row) {
 			if (empty($number_alias)) {
 				echo "		\"".escape($row["extension"])."\",\n";
 			}
diff --git a/app/calls_active/calls_active_inc.php b/app/calls_active/calls_active_inc.php
index f65e6658d5..e64da75106 100644
--- a/app/calls_active/calls_active_inc.php
+++ b/app/calls_active/calls_active_inc.php
@@ -63,7 +63,7 @@
 //build a new array with domain_name
 	$rows = array();
 	if (isset($results["rows"])) {
-		foreach ($results["rows"] as &$row) {
+		foreach ($results["rows"] as $row) {
 			//get the domain
 				if (!empty($row['context']) && $row['context'] != "public" && $row['context'] != "default") {
 					if (substr_count($row['context'], '@') > 0) {
@@ -186,7 +186,7 @@
 
 			if (is_array($rows)) {
 				$x = 0;
-				foreach ($rows as &$row) {
+				foreach ($rows as $row) {
 
 					//set the php variables
 						foreach ($row as $key => $value) {
diff --git a/app/click_to_call/click_to_call.php b/app/click_to_call/click_to_call.php
index 93baec1d8b..644ad7e805 100644
--- a/app/click_to_call/click_to_call.php
+++ b/app/click_to_call/click_to_call.php
@@ -177,7 +177,7 @@
 						$parameters['src'] = $src;
 						$database = new database;
 						$result = $database->select($sql, $parameters, 'all');
-						foreach ($result as &$row) {
+						foreach ($result as $row) {
 							$dest_cid_name = $row["outbound_caller_id_name"];
 							$dest_cid_number = $row["outbound_caller_id_number"];
 							break; //limit to 1 row
diff --git a/app/conference_centers/resources/classes/conference_centers.php b/app/conference_centers/resources/classes/conference_centers.php
index 59d648cc86..f65bfcb291 100644
--- a/app/conference_centers/resources/classes/conference_centers.php
+++ b/app/conference_centers/resources/classes/conference_centers.php
@@ -230,7 +230,7 @@ if (!class_exists('conference_centers')) {
 						$database = new database;
 						$conference_sessions = $database->select($sql, $parameters, 'all');
 						if (is_array($conference_sessions)) {
-							foreach ($conference_sessions as &$row) {
+							foreach ($conference_sessions as $row) {
 								$recording = $row['recording'];
 								break;
 							}
diff --git a/app/contacts/contacts_vcard.php b/app/contacts/contacts_vcard.php
index 914352d763..59dcb42b97 100644
--- a/app/contacts/contacts_vcard.php
+++ b/app/contacts/contacts_vcard.php
@@ -84,7 +84,7 @@ if (!empty($_GET)) {
 		$result = $database->select($sql, $parameters, 'all');
 		if (!empty($result)) {
 			$e = 1;
-			foreach ($result as &$row) {
+			foreach ($result as $row) {
 				$vcard->data['email'.$e] = $row["email_address"];
 				if ($e++ == 2) { break; } //limit to 2 rows
 			}
@@ -125,7 +125,7 @@ if (!empty($_GET)) {
 		$database = new database;
 		$result = $database->select($sql, $parameters, 'all');
 		if (!empty($result)) {
-			foreach ($result as &$row) {
+			foreach ($result as $row) {
 				$phone_label = $row["phone_label"];
 				$phone_number = $row["phone_number"];
 				if ($phone_label == $text['option-work']) { $vcard_phone_type = 'work'; }
@@ -154,7 +154,7 @@ if (!empty($_GET)) {
 			$database = new database;
 			$result = $database->select($sql, $parameters, 'all');
 			if (!empty($result)) {
-				foreach ($result as &$row) {
+				foreach ($result as $row) {
 					$address_type = $row["address_type"];
 					$address_street = $row["address_street"];
 					$address_extended = $row["address_extended"];
diff --git a/app/destinations/destination_edit.php b/app/destinations/destination_edit.php
index 9071d0775a..c0ece1e8b1 100644
--- a/app/destinations/destination_edit.php
+++ b/app/destinations/destination_edit.php
@@ -1768,7 +1768,7 @@
 			echo "	<select name='fax_uuid' id='fax_uuid' class='formfld' style='".$select_style."'>\n";
 			echo "	<option value=''></option>\n";
 			if (!empty($result)) {
-				foreach ($result as &$row) {
+				foreach ($result as $row) {
 					if ($row["fax_uuid"] == $fax_uuid) {
 						echo "		<option value='".escape($row["fax_uuid"])."' selected='selected'>".escape($row["fax_extension"])." ".escape($row["fax_name"])."</option>\n";
 					}
@@ -1796,7 +1796,7 @@
 		echo "	<select name='provider_uuid' id='provider_uuid' class='formfld' style='".$select_style."'>\n";
 		echo "	<option value=''></option>\n";
 		if (!empty($providers)) {
-			foreach ($providers as &$row) {
+			foreach ($providers as $row) {
 				if ($row["provider_uuid"] == $provider_uuid) {
 					echo "		<option value='".escape($row["provider_uuid"])."' selected='selected'>".escape($row["provider_name"])."</option>\n";
 				}
diff --git a/app/destinations/resources/classes/destinations.php b/app/destinations/resources/classes/destinations.php
index 7cf115607c..29b00b522c 100644
--- a/app/destinations/resources/classes/destinations.php
+++ b/app/destinations/resources/classes/destinations.php
@@ -194,7 +194,7 @@ if (!class_exists('destinations')) {
 					//get the array from the app_config.php files
 					$config_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/app_config.php");
 					$x = 0;
-					foreach ($config_list as &$config_path) {
+					foreach ($config_list as $config_path) {
 						try {
 							include($config_path);
 						}
@@ -204,8 +204,8 @@ if (!class_exists('destinations')) {
 						$x++;
 					}
 					$i = 0;
-					foreach ($apps as $x => &$app) {
-						if (isset($app['destinations'])) foreach ($app['destinations'] as &$row) {
+					foreach ($apps as $x => $app) {
+						if (isset($app['destinations'])) foreach ($app['destinations'] as $row) {
 							if (permission_exists($this->singular($row["name"])."_destinations")) {
 								$this->destinations[] = $row;
 							}
@@ -569,7 +569,7 @@ if (!class_exists('destinations')) {
 				//get the array from the app_config.php files
 				$config_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/app_config.php");
 				$x = 0;
-				foreach ($config_list as &$config_path) {
+				foreach ($config_list as $config_path) {
 					try {
 						include($config_path);
 					}
@@ -579,9 +579,9 @@ if (!class_exists('destinations')) {
 					$x++;
 				}
 				$i = 0;
-				foreach ($apps as $x => &$app) {
+				foreach ($apps as $x => $app) {
 					if (isset($app['destinations'])) {
-						foreach ($app['destinations'] as &$row) {
+						foreach ($app['destinations'] as $row) {
 							$this->destinations[] = $row;
 						}
 					}
@@ -779,7 +779,7 @@ if (!class_exists('destinations')) {
 				//get the array from the app_config.php files
 				$config_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/app_config.php");
 				$x = 0;
-				foreach ($config_list as &$config_path) {
+				foreach ($config_list as $config_path) {
 					try {
 						include($config_path);
 					}
@@ -789,9 +789,9 @@ if (!class_exists('destinations')) {
 					$x++;
 				}
 				$i = 0;
-				foreach ($apps as $x => &$app) {
+				foreach ($apps as $x => $app) {
 					if (isset($app['destinations'])) {
-						foreach ($app['destinations'] as &$row) {
+						foreach ($app['destinations'] as $row) {
 							$this->destinations[] = $row;
 						}
 					}
diff --git a/app/devices/app_defaults.php b/app/devices/app_defaults.php
index 00f24b50d9..eb2acdd48b 100644
--- a/app/devices/app_defaults.php
+++ b/app/devices/app_defaults.php
@@ -57,7 +57,7 @@ if ($domains_processed == 1) {
 		$sql .= "and k.device_key_vendor is null ";
 		$device_keys = $database->select($sql, null, 'all');
 		if (!empty($device_keys)) {
-			foreach ($device_keys as $index => &$row) {
+			foreach ($device_keys as $index => $row) {
 				$array['device_keys'][$index]['device_key_uuid'] = $row["device_key_uuid"];
 				$array['device_keys'][$index]['device_key_vendor'] = $row["device_vendor"];
 			}
@@ -87,7 +87,7 @@ if ($domains_processed == 1) {
 
 			//loop through the device_keys to build the data array
 			if (!empty($device_profile_keys)) {
-				foreach ($device_profile_keys as $index => &$row) {
+				foreach ($device_profile_keys as $index => $row) {
 					$array['device_profile_keys'][$index]['device_profile_key_uuid'] = $row["device_key_uuid"];
 					$array['device_profile_keys'][$index]['domain_uuid'] = $row["domain_uuid"];
 					$array['device_profile_keys'][$index]['device_profile_uuid'] = $row["device_profile_uuid"];
@@ -131,7 +131,7 @@ if ($domains_processed == 1) {
 
 			//loop through the device_keys to build the data array
 			if (!empty($device_profile_keys)) {
-				foreach ($device_profile_keys as $index => &$row) {
+				foreach ($device_profile_keys as $index => $row) {
 					$array['device_profile_settings'][$index]['device_profile_setting_uuid'] = $row["device_setting_uuid"];
 					$array['device_profile_settings'][$index]['domain_uuid'] = $row["domain_uuid"];
 					$array['device_profile_settings'][$index]['device_profile_uuid'] = $row["device_profile_uuid"];
diff --git a/app/devices/device_download.php b/app/devices/device_download.php
index a0933f480c..fdac9dcbb9 100644
--- a/app/devices/device_download.php
+++ b/app/devices/device_download.php
@@ -73,7 +73,7 @@
 		}
 
 		//find and remove the "|2" that denotes a duplicate header
-		foreach ($headers as &$header) {
+		foreach ($headers as $header) {
 			$pos = strpos($header, '|');
 			if ($pos !== false) {
 				$header = substr($header, 0, $pos);
diff --git a/app/devices/device_imports.php b/app/devices/device_imports.php
index a6d4337737..6e32d33985 100644
--- a/app/devices/device_imports.php
+++ b/app/devices/device_imports.php
@@ -366,7 +366,7 @@
 											//remove empty device keys
 											if (isset($row['device_keys'])) {
 												$y = 0;
-												foreach ($row['device_keys'] as &$sub_row) {
+												foreach ($row['device_keys'] as $sub_row) {
 													if (count($sub_row) == 2) {
 														unset($array['devices'][$x]['device_keys']);
 													}
@@ -377,7 +377,7 @@
 											//remove empty device lines
 											if (isset($row['device_lines'])) {
 												$y = 0;
-												foreach ($row['device_lines'] as &$sub_row) {
+												foreach ($row['device_lines'] as $sub_row) {
 													if (count($sub_row) == 2) {
 														unset($array['devices'][$x]['device_lines']);
 													}
@@ -413,7 +413,7 @@
 						//remove empty device keys
 						if (isset($row['device_keys'])) {
 							$y = 0;
-							foreach ($row['device_keys'] as &$sub_row) {
+							foreach ($row['device_keys'] as $sub_row) {
 								if (count($sub_row) == 2) {
 									unset($array['devices'][$x]['device_keys']);
 								}
@@ -424,7 +424,7 @@
 						//remove empty device lines
 						if (isset($row['device_lines'])) {
 							$y = 0;
-							foreach ($row['device_lines'] as &$sub_row) {
+							foreach ($row['device_lines'] as $sub_row) {
 								if (count($sub_row) == 2) {
 									unset($array['devices'][$x]['device_lines']);
 								}
diff --git a/app/devices/device_profile_edit.php b/app/devices/device_profile_edit.php
index 5b65a1ace7..ff34cae190 100644
--- a/app/devices/device_profile_edit.php
+++ b/app/devices/device_profile_edit.php
@@ -230,7 +230,7 @@
 		$parameters['device_profile_uuid'] = $device_profile_uuid;
 		$database = new database;
 		$result = $database->execute($sql, $parameters, 'all');
-		foreach ($result as &$row) {
+		foreach ($result as $row) {
 			$domain_uuid = $row["domain_uuid"];
 			$device_profile_name = $row["device_profile_name"];
 			$device_profile_keys = $row["device_profile_keys"] ?? null;
diff --git a/app/devices/device_vendor_functions.php b/app/devices/device_vendor_functions.php
index 887fd16113..0926f587ec 100644
--- a/app/devices/device_vendor_functions.php
+++ b/app/devices/device_vendor_functions.php
@@ -203,7 +203,7 @@
 				$vendor_function_groups = $database->select($sql, $parameters, 'all');
 				unset($sql, $parameters);
 				unset($group_list);
-				foreach ($vendor_function_groups as &$sub_row) {
+				foreach ($vendor_function_groups as $sub_row) {
 					$group_list[] = escape($sub_row["group_name"]).(($sub_row['group_domain_uuid'] != '') ? "@".escape($_SESSION['domains'][$sub_row['group_domain_uuid']]['domain_name']) : null);
 				}
 				$group_list = isset($group_list) ? implode(', ', $group_list) : '';
diff --git a/app/devices/resources/dashboard/device_keys.php b/app/devices/resources/dashboard/device_keys.php
index 6323a16c16..e095100105 100644
--- a/app/devices/resources/dashboard/device_keys.php
+++ b/app/devices/resources/dashboard/device_keys.php
@@ -159,7 +159,7 @@
 
 				//add or update the device keys
 					if (is_array($_POST['device_keys'])) {
-						foreach ($_POST['device_keys'] as &$row) {
+						foreach ($_POST['device_keys'] as $row) {
 
 							//validate the data
 								$save = true;
@@ -187,7 +187,7 @@
 							//process the profile keys
 								if (!empty($row["device_profile_uuid"])) {
 									//get the profile key settings from the array
-										foreach ($device_profile_keys as &$field) {
+										foreach ($device_profile_keys as $field) {
 											if ($device_key_uuid == $field["device_key_uuid"]) {
 												$database = $field;
 												break;
diff --git a/app/dialplan_inbound/dialplan_inbound_add.php b/app/dialplan_inbound/dialplan_inbound_add.php
index 60ae2b55e0..13e27ef9dd 100644
--- a/app/dialplan_inbound/dialplan_inbound_add.php
+++ b/app/dialplan_inbound/dialplan_inbound_add.php
@@ -684,7 +684,7 @@
 		if (is_array($result) && @sizeof($result) != 0) {
 			echo "	<select name='destination_uuid' id='destination_uuid' class='formfld' >\n";
 			echo "	<option></option>\n";
-			foreach ($result as &$row) {
+			foreach ($result as $row) {
 				if (empty($row["dialplan_uuid"])) {
 					echo "		<option value='".escape($row["destination_uuid"])."' style=\"font-weight:bold;\">".escape($row["destination_number"])." ".escape($row["destination_description"])."</option>\n";
 				}
diff --git a/app/dialplans/resources/classes/dialplan.better.php b/app/dialplans/resources/classes/dialplan.better.php
index bcb783ddf3..ec7487e037 100644
--- a/app/dialplans/resources/classes/dialplan.better.php
+++ b/app/dialplans/resources/classes/dialplan.better.php
@@ -331,7 +331,7 @@
 												$group = 0;
 												$order = 5;
 												if (isset($dialplan['condition'])) {
-													foreach ($dialplan['condition'] as &$row) {
+													foreach ($dialplan['condition'] as $row) {
 
 														$array['dialplans'][$x]['dialplan_details'][$y]['domain_uuid'] = $domain_uuid;
 														$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_uuid'] = $dialplan_uuid;
@@ -369,7 +369,7 @@
 															}
 															$order = $order + 5;
 															if (isset($row['action'])) {
-																foreach ($row['action'] as &$row2) {
+																foreach ($row['action'] as $row2) {
 																	$array['dialplans'][$x]['dialplan_details'][$y]['domain_uuid'] = $domain_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_uuid'] = $dialplan_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_detail_tag'] = 'action';
@@ -396,7 +396,7 @@
 																}
 															}
 															if (isset($row['anti-action'])) {
-																foreach ($row['anti-action'] as &$row2) {
+																foreach ($row['anti-action'] as $row2) {
 																	$array['dialplans'][$x]['dialplan_details'][$y]['domain_uuid'] = $domain_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_uuid'] = $dialplan_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_detail_tag'] = 'anti-action';
@@ -515,7 +515,7 @@
 							unset($sql, $parameters);
 							$x = 0; $y = 0;
 							if (!empty($dialplans)) {
-								foreach ($dialplans as &$row) {
+								foreach ($dialplans as $row) {
 									//if the previous dialplan uuid has not been set then set it
 										if (!isset($previous_dialplan_uuid)) { $previous_dialplan_uuid = $row['dialplan_uuid']; }
 
@@ -1027,7 +1027,7 @@
 
 				//get the array of xml files and then process thm
 					$xml_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/resources/switch/conf/dialplan/*.xml");
-					foreach ($xml_list as &$xml_file) {
+					foreach ($xml_list as $xml_file) {
 						//get and parse the xml
 							$xml_string = file_get_contents($xml_file);
 						//get the order number prefix from the file name
diff --git a/app/dialplans/resources/classes/dialplan.php b/app/dialplans/resources/classes/dialplan.php
index 3c67239015..9bfa12b491 100644
--- a/app/dialplans/resources/classes/dialplan.php
+++ b/app/dialplans/resources/classes/dialplan.php
@@ -336,7 +336,7 @@
 												$group = 0;
 												$order = 5;
 												if (isset($dialplan['condition'])) {
-													foreach ($dialplan['condition'] as &$row) {
+													foreach ($dialplan['condition'] as $row) {
 
 														$array['dialplans'][$x]['dialplan_details'][$y]['domain_uuid'] = $domain_uuid;
 														$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_uuid'] = $dialplan_uuid;
@@ -374,7 +374,7 @@
 															}
 															$order = $order + 5;
 															if (isset($row['action'])) {
-																foreach ($row['action'] as &$row2) {
+																foreach ($row['action'] as $row2) {
 																	$array['dialplans'][$x]['dialplan_details'][$y]['domain_uuid'] = $domain_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_uuid'] = $dialplan_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_detail_tag'] = 'action';
@@ -401,7 +401,7 @@
 																}
 															}
 															if (isset($row['anti-action'])) {
-																foreach ($row['anti-action'] as &$row2) {
+																foreach ($row['anti-action'] as $row2) {
 																	$array['dialplans'][$x]['dialplan_details'][$y]['domain_uuid'] = $domain_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_uuid'] = $dialplan_uuid;
 																	$array['dialplans'][$x]['dialplan_details'][$y]['dialplan_detail_tag'] = 'anti-action';
@@ -518,7 +518,7 @@
 							unset($sql, $parameters);
 							$x = 0; $y = 0;
 							if (!empty($dialplans)) {
-								foreach ($dialplans as &$row) {
+								foreach ($dialplans as $row) {
 									//if the previous dialplan uuid has not been set then set it
 										if (!isset($previous_dialplan_uuid)) { $previous_dialplan_uuid = $row['dialplan_uuid']; }
 
@@ -1087,7 +1087,7 @@
 
 				//get the array of xml files and then process thm
 					$xml_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/resources/switch/conf/dialplan/*.xml");
-					foreach ($xml_list as &$xml_file) {
+					foreach ($xml_list as $xml_file) {
 						//get and parse the xml
 							$xml_string = file_get_contents($xml_file);
 						//get the order number prefix from the file name
diff --git a/app/extensions/extension_edit.php b/app/extensions/extension_edit.php
index fe4576b6a8..0af169bc11 100644
--- a/app/extensions/extension_edit.php
+++ b/app/extensions/extension_edit.php
@@ -1474,7 +1474,7 @@
 			if (!empty($destinations)) {
 				echo "	<select name='outbound_caller_id_name' id='outbound_caller_id_name' class='formfld'>\n";
 				echo "	<option value=''></option>\n";
-				foreach ($destinations as &$row) {
+				foreach ($destinations as $row) {
 					if(!empty($row["destination_caller_id_name"])){
 						if (!empty($outbound_caller_id_name) && $row["destination_caller_id_name"] == $outbound_caller_id_name) {
 							echo "		<option value='".escape($row["destination_caller_id_name"])."' selected='selected'>".escape($row["destination_caller_id_name"])."</option>\n";
@@ -1511,7 +1511,7 @@
 			if (!empty($destinations)) {
 				echo "	<select name='outbound_caller_id_number' id='outbound_caller_id_number' class='formfld'>\n";
 				echo "	<option value=''></option>\n";
-				foreach ($destinations as &$row) {
+				foreach ($destinations as $row) {
 					$tmp = $row["destination_caller_id_number"];
 					if(empty($tmp)){
 						$tmp = $row["destination_number"];
@@ -1552,7 +1552,7 @@
 			if (!empty($emergency_destinations)) {
 				echo "	<select name='emergency_caller_id_name' id='emergency_caller_id_name' class='formfld'>\n";
 				echo "		<option value=''></option>\n";
-				foreach ($emergency_destinations as &$row) {
+				foreach ($emergency_destinations as $row) {
 					$tmp = $row["destination_caller_id_name"];
 					if(empty($tmp)){
 						$tmp = $row["destination_description"];
@@ -1598,7 +1598,7 @@
 				if (permission_exists('emergency_caller_id_select_empty')) {
 					echo "		<option value=''></option>\n";
 				}
-				foreach ($emergency_destinations as &$row) {
+				foreach ($emergency_destinations as $row) {
 					$tmp = $row["destination_caller_id_number"];
 					if(empty($tmp)){
 						$tmp = $row["destination_number"];
diff --git a/app/extensions/resources/classes/extension.php b/app/extensions/resources/classes/extension.php
index 3599fa1c62..7003323b49 100644
--- a/app/extensions/resources/classes/extension.php
+++ b/app/extensions/resources/classes/extension.php
@@ -216,7 +216,7 @@ if (!class_exists('extension')) {
 							$call_group = $row['call_group'] ?? '';
 							$call_group = str_replace(";", ",", $call_group);
 							$tmp_array = explode(",", $call_group);
-							foreach ($tmp_array as &$tmp_call_group) {
+							foreach ($tmp_array as $tmp_call_group) {
 								$tmp_call_group = trim($tmp_call_group);
 								if (!empty($tmp_call_group)) {
 									if (empty($call_group_array[$tmp_call_group])) {
@@ -508,7 +508,7 @@ if (!class_exists('extension')) {
 								$xml .= "					to keep searching for the user in the directory.\n";
 								$xml .= "					-->\n";
 								$extension_array = explode(",", $extension_list);
-								foreach ($extension_array as &$tmp_extension) {
+								foreach ($extension_array as $tmp_extension) {
 									$xml .= "					<user id=\"$tmp_extension\" type=\"pointer\"/>\n";
 								}
 								$xml .= "				</users>\n";
diff --git a/app/extensions/resources/dashboard/caller_id.php b/app/extensions/resources/dashboard/caller_id.php
index 5833cc31b9..19ed5e7813 100644
--- a/app/extensions/resources/dashboard/caller_id.php
+++ b/app/extensions/resources/dashboard/caller_id.php
@@ -278,7 +278,7 @@
 							if (count($destinations) > 0) {
 								echo "<select class='formfld' name='extensions[".$x."][outbound_caller_id]' id='outbound_caller_id_number_".$x."' style='width: 100%; min-width: 150px;'>\n";
 								echo "	<option value=''></option>\n";
-								foreach ($destinations as &$field) {
+								foreach ($destinations as $field) {
 									if (!empty($field['destination_caller_id_number'])) {
 										echo "<option value='".escape($field['destination_caller_id_name'])."@".escape($field['destination_caller_id_number'])."' ".($row['outbound_caller_id_number'] == $field['destination_caller_id_number'] ? "selected='selected'" : null).">".escape($field['destination_caller_id_name'])." ".escape($field['destination_caller_id_number'])."</option>\n";
 									}
diff --git a/app/fax/fax_emails.php b/app/fax/fax_emails.php
index c7e4715ec1..fc3b08d86d 100644
--- a/app/fax/fax_emails.php
+++ b/app/fax/fax_emails.php
@@ -43,7 +43,7 @@ unset($sql);
 function arr_to_map(&$arr){
 	if (!empty($arr)){
 		$map = Array();
-		foreach($arr as &$val){
+		foreach ($arr as $val){
 			$map[$val] = true;
 		}
 		return $map;
@@ -187,17 +187,17 @@ if (!empty($result) && @sizeof($result) != 0) {
 
 					//Debug print
 					print('attachments:' . "\n");
-					foreach($message['attachments'] as &$attachment){
+					foreach ($message['attachments'] as $attachment){
 						print(' - ' . $attachment['type'] . ' - ' . $attachment['name'] . ': ' . $attachment['size'] . ' disposition: ' . $attachment['disposition'] . "\n");
 					}
 					print('messages:' . "\n");
-					foreach($message['messages'] as &$msg){
+					foreach ($message['messages'] as $msg){
 						print(' - ' . $msg['type'] . ' - ' . $msg['size'] . "\n");
 						// print($msg['data']);
 						// print("\n--------------------------------------------------------\n");
 					}
 
-					foreach($message['messages'] as &$msg){
+					foreach ($message['messages'] as $msg){
 						if(($msg['size'] > 0)) {
 							$fax_message = $msg['data'];
 							break;
@@ -217,7 +217,7 @@ if (!empty($result) && @sizeof($result) != 0) {
 					$emailed_files = Array();
 					$attachments = $message['attachments'];
 					if (sizeof($attachments) > 0) {
-						foreach ($attachments as &$attachment) {
+						foreach ($attachments as $attachment) {
 							$fax_file_extension = pathinfo($attachment['name'], PATHINFO_EXTENSION);
 
 							//block unknown files
diff --git a/app/fax/fax_send.php b/app/fax/fax_send.php
index de37dc383c..80336ce1b2 100644
--- a/app/fax/fax_send.php
+++ b/app/fax/fax_send.php
@@ -893,7 +893,7 @@ if (!$included) {
 
 	//build the contact labels
 		if (is_array($contacts) && @sizeof($contacts) != 0) {
-			foreach ($contacts as &$row) {
+			foreach ($contacts as $row) {
 				if ($row['contact_organization'] != '') {
 					$contact_option_label = $row['contact_organization'];
 				}
diff --git a/app/fax/resources/functions/parse_message.php b/app/fax/resources/functions/parse_message.php
index 305f9db33e..b4d241ba06 100644
--- a/app/fax/resources/functions/parse_message.php
+++ b/app/fax/resources/functions/parse_message.php
@@ -11,7 +11,7 @@ function parse_message($connection, $message_number, $option = null, $to_charset
 		$flatten = Array(1 => $structure);
 	}
 
-	foreach($flatten as $id => &$part){
+	foreach ($flatten as $id => $part){
 		switch($part->type) {
 		case TYPETEXT:
 			$message = parse_message_decode_text($connection, $part, $message_number, $id, $option, $to_charset);
@@ -39,7 +39,7 @@ function parse_message_decode_text($connection, &$part, $message_number, $id, $o
 	if($msg && $to_charset){
 		$charset = '';
 		if(isset($part->parameters) && count($part->parameters)) {
-			foreach($part->parameters as &$parameter){
+			foreach ($part->parameters as $parameter){
 				if($parameter->attribute == 'CHARSET') {
 					$charset = $parameter->value;
 					break;
@@ -123,7 +123,7 @@ function parse_message_get_type(&$part){
 }
 
 function parse_message_flatten(&$structure, &$result = array(), $prefix = '', $index = 1, $fullPrefix = true) {
-	foreach($structure as &$part) {
+	foreach ($structure as $part) {
 		if(isset($part->parts)) {
 			if($part->type == TYPEMESSAGE) {
 				parse_message_flatten($part->parts, $result, $prefix.$index.'.', 0, false);
diff --git a/app/ivr_menus/ivr_menu_copy.php b/app/ivr_menus/ivr_menu_copy.php
index 44088aa5e8..02f1e702b7 100644
--- a/app/ivr_menus/ivr_menu_copy.php
+++ b/app/ivr_menus/ivr_menu_copy.php
@@ -98,7 +98,7 @@
 
 		//get the the ivr menu options
 			$y = 0;
-			foreach ($ivr_menu_options as &$row) {
+			foreach ($ivr_menu_options as $row) {
 				//update the uuids
 					$row['ivr_menu_uuid'] = $ivr_menu_uuid;
 					$row['ivr_menu_option_uuid'] = uuid();
diff --git a/app/ivr_menus/ivr_menu_edit.php b/app/ivr_menus/ivr_menu_edit.php
index 470cfd8bdb..38c5cd42a0 100644
--- a/app/ivr_menus/ivr_menu_edit.php
+++ b/app/ivr_menus/ivr_menu_edit.php
@@ -473,7 +473,7 @@
 		$ivr->ivr_menu_uuid = $ivr_menu_uuid;
 		$ivr_menus = $ivr->find();
 		if (!empty($ivr_menus)) {
-			foreach ($ivr_menus as &$row) {
+			foreach ($ivr_menus as $row) {
 				$dialplan_uuid = $row["dialplan_uuid"];
 				$ivr_menu_name = $row["ivr_menu_name"];
 				$ivr_menu_extension = $row["ivr_menu_extension"];
diff --git a/app/ivr_menus/resources/functions/ivr_menu_xml.php b/app/ivr_menus/resources/functions/ivr_menu_xml.php
index f2d990d9b0..e680dac2fc 100644
--- a/app/ivr_menus/resources/functions/ivr_menu_xml.php
+++ b/app/ivr_menus/resources/functions/ivr_menu_xml.php
@@ -141,7 +141,7 @@
 						$database = new database;
 						$sub_result = $database->select($sub_sql, $parameters, 'all');
 						if (is_array($sub_result) && @sizeof($sub_result) != 0) {
-							foreach ($sub_result as &$sub_row) {
+							foreach ($sub_result as $sub_row) {
 								//$ivr_menu_uuid = $sub_row["ivr_menu_uuid"];
 								$ivr_menu_option_digits = $sub_row["ivr_menu_option_digits"];
 								$ivr_menu_option_action = $sub_row["ivr_menu_option_action"];
diff --git a/app/modules/app_defaults.php b/app/modules/app_defaults.php
index 1fc9cf37e9..bce5db02d7 100644
--- a/app/modules/app_defaults.php
+++ b/app/modules/app_defaults.php
@@ -40,7 +40,7 @@
 			$sql .= "where module_order is null ";
 			$modules = $database->select($sql, null, 'all');
 			if (is_array($modules) && @sizeof($modules) != 0) {
-				foreach ($modules as $index => &$row) {
+				foreach ($modules as $index => $row) {
 					//get the module details
 						$mod = $module->info($row['module_name']);
 					//update the module order
diff --git a/app/modules/resources/classes/modules.php b/app/modules/resources/classes/modules.php
index e774a01052..f158c06454 100644
--- a/app/modules/resources/classes/modules.php
+++ b/app/modules/resources/classes/modules.php
@@ -674,7 +674,7 @@ if (!class_exists('modules')) {
 				//set the default
 					$result = false;
 				//look for the module
-					foreach ($this->modules as &$row) {
+					foreach ($this->modules as $row) {
 						if ($row['module_name'] == $name) {
 							$result = true;
 							break;
diff --git a/app/music_on_hold/music_on_hold_edit.php b/app/music_on_hold/music_on_hold_edit.php
index 8d4ab16615..a0d5da86c7 100644
--- a/app/music_on_hold/music_on_hold_edit.php
+++ b/app/music_on_hold/music_on_hold_edit.php
@@ -370,7 +370,7 @@
 		$recordings = $database->select($sql, $parameters, 'all');
 		if (is_array($recordings) && @sizeof($recordings) != 0) {
 			echo "<optgroup label='Recordings'>\n";
-			foreach ($recordings as &$row) {
+			foreach ($recordings as $row) {
 				$recording_name = $row["recording_name"];
 				$recording_filename = $row["recording_filename"];
 				if ($music_on_hold_chime_list == $_SESSION['switch']['recordings']['dir']."/".$_SESSION['domain_name']."/".$recording_filename && !empty($music_on_hold_chime_list)) {
@@ -396,7 +396,7 @@
 		$result = $database->select($sql, $parameters, 'all');
 		if (is_array($result) && @sizeof($result) != 0) {
 			echo "<optgroup label='Phrases'>\n";
-			foreach ($result as &$row) {
+			foreach ($result as $row) {
 				if ($music_on_hold_chime_list == "phrase:".$row["phrase_uuid"]) {
 					$tmp_selected = true;
 					echo "	<option value='phrase:".escape($row["phrase_uuid"])."' selected='selected'>".escape($row["phrase_name"])."</option>\n";
diff --git a/app/number_translations/app_defaults.php b/app/number_translations/app_defaults.php
index 68fcced967..c50b703f13 100644
--- a/app/number_translations/app_defaults.php
+++ b/app/number_translations/app_defaults.php
@@ -32,7 +32,7 @@
 			$number_translation = new number_translations;
 
 		//process the xml files
-			foreach ($xml_list as &$xml_file) {
+			foreach ($xml_list as $xml_file) {
 				//get and parse the xml
 					$number_translation->xml = file_get_contents($xml_file);
 					$number_translation->import();
diff --git a/app/number_translations/resources/classes/number_translations.php b/app/number_translations/resources/classes/number_translations.php
index 5b13449185..7ff7ff2396 100644
--- a/app/number_translations/resources/classes/number_translations.php
+++ b/app/number_translations/resources/classes/number_translations.php
@@ -108,7 +108,7 @@ if (!class_exists('number_translations')) {
 					//loop through the condition array
 						$order = 5;
 						if (isset($number_translation['rule'])) {
-							foreach ($number_translation['rule'] as &$row) {
+							foreach ($number_translation['rule'] as $row) {
 								if (array_key_exists('@attributes', $row)) {
 									$row = $row['@attributes'];
 								}
diff --git a/app/phrases/app_defaults.php b/app/phrases/app_defaults.php
index 8b22d40fb8..4134b887f4 100644
--- a/app/phrases/app_defaults.php
+++ b/app/phrases/app_defaults.php
@@ -70,7 +70,7 @@ if ($domains_processed == 1) {
 			$sql .= "from v_phrase_details where phrase_detail_function = 'play-file' ";
 			$result = $database->select($sql, null, 'all');
 			if (is_array($result) && @sizeof($result) != 0) {
-				foreach ($result as $index => &$row) {
+				foreach ($result as $index => $row) {
 					$phrase_detail_uuid = $row['phrase_detail_uuid'];
 					$phrase_detail_data = $row['phrase_detail_data'];
 					if (substr_count($phrase_detail_data, $setting->get('switch','recordings').'/'.$domain_name) > 0) {
@@ -105,7 +105,7 @@ if ($domains_processed == 1) {
 			$sql .= "and phrase_detail_data like 'lua(streamfile.lua %)' ";
 			$result = $database->select($sql, null, 'all');
 			if (is_array($result) && @sizeof($result) != 0) {
-				foreach ($result as $index => &$row) {
+				foreach ($result as $index => $row) {
 					$phrase_detail_uuid = $row['phrase_detail_uuid'];
 					$phrase_detail_data = $row['phrase_detail_data'];
 					//update function and data to use standard method
diff --git a/app/phrases/phrase_edit.php b/app/phrases/phrase_edit.php
index e1f9c474e1..c60bbbff1a 100644
--- a/app/phrases/phrase_edit.php
+++ b/app/phrases/phrase_edit.php
@@ -349,7 +349,7 @@
 		if (is_array($recordings) && @sizeof($recordings) != 0) {
 			echo "var opt_group = document.createElement('optgroup');\n";
 			echo "opt_group.label = \"".$text['label-recordings']."\";\n";
-			foreach ($recordings as &$row) {
+			foreach ($recordings as $row) {
 				if (!empty($_SESSION['recordings']['storage_type']['text']) && $_SESSION['recordings']['storage_type']['text'] == 'base64') {
 					echo "opt_group.appendChild(new Option(\"".$row["recording_name"]."\", \"\${lua streamfile.lua ".$row["recording_filename"]."}\"));\n";
 				}
diff --git a/app/provision/resources/classes/provision.php b/app/provision/resources/classes/provision.php
index d2350b5419..eec0cbdd90 100644
--- a/app/provision/resources/classes/provision.php
+++ b/app/provision/resources/classes/provision.php
@@ -236,7 +236,7 @@
 			$database_contacts = $this->database->select($sql, $parameters, 'all');
 			if (is_array($database_contacts)) {
 				$x = 0;
-				foreach ($database_contacts as &$row) {
+				foreach ($database_contacts as $row) {
 					$uuid = $row['contact_uuid'];
 					$phone_label = strtolower($row['phone_label'] ?? '');
 					$contact_category = strtolower($row['contact_category'] ?? '');
@@ -1269,7 +1269,7 @@
 
 			//process each device
 				if (is_array($result)) {
-					foreach ($result as &$row) {
+					foreach ($result as $row) {
 						//get the values from the database and set as variables
 							$domain_uuid = $row["domain_uuid"];
 							$device_uuid = $row["device_uuid"];
@@ -1311,7 +1311,7 @@
 
 						//loop through the provision templates
 							if (is_array($dir_array)) {
-								foreach ($dir_array as &$template_path) {
+								foreach ($dir_array as $template_path) {
 									if (is_dir($template_path)) continue;
 									if (!file_exists($template_path)) continue;
 
diff --git a/app/recordings/app_defaults.php b/app/recordings/app_defaults.php
index fadca47bb8..ab68392e75 100644
--- a/app/recordings/app_defaults.php
+++ b/app/recordings/app_defaults.php
@@ -43,7 +43,7 @@
 					$sql .= "or recording_base64 = '' ";
 					$result = $database->select($sql, null, 'all');
 					if (is_array($result) && @sizeof($result) != 0) {
-						foreach ($result as &$row) {
+						foreach ($result as $row) {
 							//set the variables
 								$recording_uuid = $row['recording_uuid'];
 								$recording_domain_uuid = $row['domain_uuid'];
@@ -84,7 +84,7 @@
 					$sql .= "where recording_base64 is not null ";
 					$result = $database->select($sql, null, 'all');
 					if (!empty($result)) {
-						foreach ($result as &$row) {
+						foreach ($result as $row) {
 							//set the variables
 								$recording_uuid = $row['recording_uuid'];
 								$recording_domain_uuid = $row['domain_uuid'];
diff --git a/app/recordings/recordings.php b/app/recordings/recordings.php
index 267152db0a..40d34f516f 100644
--- a/app/recordings/recordings.php
+++ b/app/recordings/recordings.php
@@ -166,7 +166,7 @@
 	$database = new database;
 	$result = $database->select($sql, $parameters, 'all');
 	if (is_array($result) && @sizeof($result) != 0) {
-		foreach ($result as &$row) {
+		foreach ($result as $row) {
 			$array_recordings[$row['recording_uuid']] = $row['recording_filename'];
 			$array_base64_exists[$row['recording_uuid']] = ($row['recording_base64'] != '') ? true : false;
 			//if not base64, convert back to local files and remove base64 from db
diff --git a/app/recordings/resources/classes/switch_recordings.php b/app/recordings/resources/classes/switch_recordings.php
index 3a2149c223..dc3988ef67 100644
--- a/app/recordings/resources/classes/switch_recordings.php
+++ b/app/recordings/resources/classes/switch_recordings.php
@@ -73,7 +73,7 @@ if (!class_exists('switch_recordings')) {
 			$database = new database;
 			$result = $database->select($sql, $parameters, 'all');
 			if (!empty($result)) {
-				foreach ($result as &$row) {
+				foreach ($result as $row) {
 					$recordings[$_SESSION['switch']['recordings']['dir'].'/'.$_SESSION['domain_name']."/".$row['recording_filename']] = $row['recording_filename'];
 				}
 			}
diff --git a/app/sip_profiles/app_defaults.php b/app/sip_profiles/app_defaults.php
index fcc8b81856..662f1a2930 100644
--- a/app/sip_profiles/app_defaults.php
+++ b/app/sip_profiles/app_defaults.php
@@ -49,7 +49,7 @@
 					$sip_profile_dir = $_SERVER["DOCUMENT_ROOT"].PROJECT_PATH.'/app/switch/resources/conf/sip_profiles/*.xml.noload';
 				}
 				$xml_files = glob($sip_profile_dir);
-				foreach ($xml_files as $x => &$xml_file) {
+				foreach ($xml_files as $x => $xml_file) {
 					//load the sip profile xml and save it into an array
 					$sip_profile_xml = file_get_contents($xml_file);
 					$xml = simplexml_load_string($sip_profile_xml);
@@ -165,7 +165,7 @@
 					$sip_profile_dir = $_SERVER["DOCUMENT_ROOT"].PROJECT_PATH.'/app/switch/resources/conf/sip_profiles/*.xml.noload';
 				}
 				$xml_files = glob($sip_profile_dir);
-				foreach ($xml_files as $x => &$xml_file) {
+				foreach ($xml_files as $x => $xml_file) {
 					//load the sip profile xml and save it into an array
 						$sip_profile_xml = file_get_contents($xml_file);
 						$xml = simplexml_load_string($sip_profile_xml);
diff --git a/app/sip_profiles/sip_profile_copy.php b/app/sip_profiles/sip_profile_copy.php
index a203251351..5a8a351ebf 100644
--- a/app/sip_profiles/sip_profile_copy.php
+++ b/app/sip_profiles/sip_profile_copy.php
@@ -92,7 +92,7 @@ if (is_uuid($sip_profile_uuid) && $sip_profile_name != '') {
 			$database = new database;
 			$result = $database->select($sql, $parameters, 'all');
 			if (is_array($result) && @sizeof($result) != 0) {
-				foreach ($result as $x => &$row) {
+				foreach ($result as $x => $row) {
 					$array['sip_profile_domains'][$x]['sip_profile_domain_uuid'] = uuid();
 					$array['sip_profile_domains'][$x]['sip_profile_uuid'] = $sip_profile_uuid_new;
 					$array['sip_profile_domains'][$x]['sip_profile_domain_name'] = $row["sip_profile_domain_name"];
@@ -109,7 +109,7 @@ if (is_uuid($sip_profile_uuid) && $sip_profile_name != '') {
 			$database = new database;
 			$result = $database->select($sql, $parameters, 'all');
 			if (is_array($result) && @sizeof($result) != 0) {
-				foreach ($result as $x => &$row) {
+				foreach ($result as $x => $row) {
 					$array['sip_profile_settings'][$x]['sip_profile_setting_uuid'] = uuid();
 					$array['sip_profile_settings'][$x]['sip_profile_uuid'] = $sip_profile_uuid_new;
 					$array['sip_profile_settings'][$x]['sip_profile_setting_name'] = $row["sip_profile_setting_name"];
diff --git a/app/voicemail_greetings/app_defaults.php b/app/voicemail_greetings/app_defaults.php
index a5966cb23e..832b2b2557 100644
--- a/app/voicemail_greetings/app_defaults.php
+++ b/app/voicemail_greetings/app_defaults.php
@@ -41,7 +41,7 @@ if ($domains_processed == 1) {
 		$database = new database;
 		$result = $database->select($sql, null, 'all');
 		if (!empty($result)) {
-			foreach ($result as $x => &$row) {
+			foreach ($result as $x => $row) {
 				$voicemail_greeting_uuid = $row['voicemail_greeting_uuid'];
 				$greeting_id = preg_replace('{\D}', '', $row['greeting_filename']);
 				//build update array
@@ -75,7 +75,7 @@ if ($domains_processed == 1) {
 				$database = new database;
 				$result = $database->select($sql, null, 'all');
 				if (!empty($result)) {
-					foreach ($result as $x => &$row) {
+					foreach ($result as $x => $row) {
 						$voicemail_greeting_uuid = $row['voicemail_greeting_uuid'];
 						$greeting_domain_uuid = $row['domain_uuid'];
 						$voicemail_id = $row['voicemail_id'];
@@ -117,7 +117,7 @@ if ($domains_processed == 1) {
 				$database = new database;
 				$result = $database->select($sql, null, 'all');
 				if (is_array($result) && @sizeof($result) != 0) {
-					foreach ($result as $x => &$row) {
+					foreach ($result as $x => $row) {
 						//set variables
 							$voicemail_greeting_uuid = $row['voicemail_greeting_uuid'];
 							$greeting_domain_uuid = $row['domain_uuid'];
diff --git a/app/voicemails/resources/classes/voicemail.php b/app/voicemails/resources/classes/voicemail.php
index 2ec25e6aec..349497e1b0 100644
--- a/app/voicemails/resources/classes/voicemail.php
+++ b/app/voicemails/resources/classes/voicemail.php
@@ -248,7 +248,7 @@
 
 			//add the voicemail messages to the array
 				if (is_array($voicemails)) {
-					foreach ($voicemails as &$row) {
+					foreach ($voicemails as $row) {
 						//get the voicemail messages
 						$row['messages'] = $this->voicemail_messages($row['voicemail_id']);
 					}
@@ -310,7 +310,7 @@
 
 			//update the array with additional information
 				if (is_array($result)) {
-					foreach($result as &$row) {
+					foreach ($result as $row) {
 						//set the greeting directory
 						$path = $this->settings->get('switch', 'voicemail', '/var/lib/freeswitch/storage').'/default/'.$_SESSION['domain_name'].'/'.$row['voicemail_id'];
 						if (file_exists($path.'/msg_'.$row['voicemail_message_uuid'].'.wav')) {
diff --git a/app/voicemails/resources/dashboard/voicemails.php b/app/voicemails/resources/dashboard/voicemails.php
index 2f20c7e782..efa96fd972 100644
--- a/app/voicemails/resources/dashboard/voicemails.php
+++ b/app/voicemails/resources/dashboard/voicemails.php
@@ -41,7 +41,7 @@
 			$messages[$field['voicemail_uuid']]['ext'] = $field['voicemail_id'];
 			$messages[$field['voicemail_uuid']]['total'] = 0;
 			$messages[$field['voicemail_uuid']]['new'] = 0;
-			foreach($field['messages'] as &$row) {
+			foreach ($field['messages'] as $row) {
 				if ($row['message_status'] == '') {
 					$messages[$field['voicemail_uuid']]['new']++;
 					$messages['new']++;
diff --git a/app/voicemails/voicemails.php b/app/voicemails/voicemails.php
index 0b2dd61da3..4cbdb924ae 100644
--- a/app/voicemails/voicemails.php
+++ b/app/voicemails/voicemails.php
@@ -172,7 +172,7 @@
 		$voicemails_count_tmp = $database->select($sql, $parameters, 'all');
 
 		$voicemails_count = array();
-		foreach ($voicemails_count_tmp as &$row) {
+		foreach ($voicemails_count_tmp as $row) {
 			$voicemails_count[$row['voicemail_uuid']] = $row['voicemail_count'];
 		}
 		unset($sql, $parameters, $voicemails_count_tmp);
@@ -188,7 +188,7 @@
 		$voicemail_greetings_count_tmp = $database->select($sql, $parameters, 'all');
 
 		$voicemail_greetings_count = array();
-		foreach ($voicemail_greetings_count_tmp as &$row) {
+		foreach ($voicemail_greetings_count_tmp as $row) {
 			$voicemail_greetings_count[$row['voicemail_id']] = $row['greeting_count'];
 		}
 		unset($sql, $parameters, $voicemail_greetings_count_tmp);
diff --git a/app/xml_cdr/xml_cdr.php b/app/xml_cdr/xml_cdr.php
index b7cba86612..7f1aae17ac 100644
--- a/app/xml_cdr/xml_cdr.php
+++ b/app/xml_cdr/xml_cdr.php
@@ -366,7 +366,7 @@
 			echo "			<select class='formfld' name='extension_uuid' id='extension_uuid'>\n";
 			echo "				<option value=''></option>";
 			if (is_array($extensions) && @sizeof($extensions) != 0) {
-				foreach ($extensions as &$row) {
+				foreach ($extensions as $row) {
 					$selected = ($row['extension_uuid'] == $extension_uuid) ? "selected" : null;
 					echo "		<option value='".escape($row['extension_uuid'])."' ".escape($selected).">".((is_numeric($row['extension'])) ? escape($row['extension']) : escape($row['number_alias'])." (".escape($row['extension']).")")."</option>";
 				}
@@ -592,7 +592,7 @@
 				echo "			<select class='formfld' name='call_center_queue_uuid' id='call_center_queue_uuid'>\n";
 				echo "				<option value=''></option>";
 				if (is_array($call_center_queues) && @sizeof($call_center_queues) != 0) {
-					foreach ($call_center_queues as &$row) {
+					foreach ($call_center_queues as $row) {
 						$selected = ($row['call_center_queue_uuid'] == $call_center_queue_uuid) ? "selected" : null;
 						echo "		<option value='".escape($row['call_center_queue_uuid'])."' ".escape($selected).">".((is_numeric($row['queue_extension'])) ? escape($row['queue_extension']." (".$row['queue_name'].")") : escape($row['queue_extension'])." (".escape($row['queue_extension']).")")."</option>";
 					}
diff --git a/app/xml_cdr/xml_cdr_search.php b/app/xml_cdr/xml_cdr_search.php
index d5cb985413..79a0c22878 100644
--- a/app/xml_cdr/xml_cdr_search.php
+++ b/app/xml_cdr/xml_cdr_search.php
@@ -172,7 +172,7 @@
 		echo "			<select class='formfld' name='extension_uuid' id='extension_uuid'>\n";
 		echo "				<option value=''></option>";
 		if (is_array($extensions) && @sizeof($extensions) != 0) {
-			foreach ($extensions as &$row) {
+			foreach ($extensions as $row) {
 				$selected = (!empty($caller_extension_uuid) && $row['extension_uuid'] == $caller_extension_uuid) ? "selected" : null;
 				echo "			<option value='".escape($row['extension_uuid'])."' ".escape($selected).">".((is_numeric($row['extension'])) ? escape($row['extension']) : escape($row['number_alias'])." (".escape($row['extension']).")")."</option>";
 			}
@@ -325,7 +325,7 @@
 			echo "			<select class='formfld' name='call_center_queue_uuid' id='call_center_queue_uuid'>\n";
 			echo "				<option value=''></option>";
 			if (is_array($call_center_queues) && @sizeof($call_center_queues) != 0) {
-				foreach ($call_center_queues as &$row) {
+				foreach ($call_center_queues as $row) {
 					$selected = ($row['call_center_queue_uuid'] == $call_center_queue_uuid) ? "selected" : null;
 					echo "		<option value='".escape($row['call_center_queue_uuid'])."' ".escape($selected).">".((is_numeric($row['queue_extension'])) ? escape($row['queue_extension']." (".$row['queue_name'].")") : escape($row['queue_extension'])." (".escape($row['queue_extension']).")")."</option>";
 				}
diff --git a/core/databases/app_defaults.php b/core/databases/app_defaults.php
index 27168356d9..cc3324ec47 100644
--- a/core/databases/app_defaults.php
+++ b/core/databases/app_defaults.php
@@ -31,7 +31,7 @@ if (!empty($domains_processed) && $domains_processed == 1) {
 		$sql = "select * from v_databases ";
 		$sql .= "where database_driver is null ";
 		$result = $database->select($sql, null, 'all');
-		foreach ($result as &$row) {
+		foreach ($result as $row) {
 			$database_uuid = $row["database_uuid"];
 			$database_type = $row["database_type"];
 			$database_type_array = explode(":",  $database_type);
diff --git a/core/default_settings/default_settings.php b/core/default_settings/default_settings.php
index f48aba737b..49282c5ac0 100644
--- a/core/default_settings/default_settings.php
+++ b/core/default_settings/default_settings.php
@@ -470,7 +470,7 @@
 				$sql .= "where menu_uuid = :menu_uuid ";
 				$parameters['menu_uuid'] = $row['default_setting_value'];
 				$sub_result = $database->select($sql, $parameters ?? null, 'all');
-				foreach ($sub_result as &$sub_row) {
+				foreach ($sub_result as $sub_row) {
 					echo $sub_row["menu_language"]." - ".$sub_row["menu_name"]."\n";
 				}
 				unset($sql, $sub_result, $sub_row);
diff --git a/core/domain_settings/domain_setting_edit.php b/core/domain_settings/domain_setting_edit.php
index e31b3d78aa..fe505d353f 100644
--- a/core/domain_settings/domain_setting_edit.php
+++ b/core/domain_settings/domain_setting_edit.php
@@ -242,7 +242,7 @@
 
 						$time_zone_found = false;
 						if (!empty($result)) {
-							foreach ($result as &$row) {
+							foreach ($result as $row) {
 								//get the dialplan_uuid
 									$dialplan_uuid = $row["dialplan_uuid"];
 
diff --git a/core/domain_settings/domain_settings.php b/core/domain_settings/domain_settings.php
index e9014e693d..9c917180aa 100644
--- a/core/domain_settings/domain_settings.php
+++ b/core/domain_settings/domain_settings.php
@@ -294,7 +294,7 @@
 				$database = new database;
 				$sub_result = $database->select($sql, $parameters, 'all');
 				if (!empty($sub_result)) {
-					foreach ($sub_result as &$sub_row) {
+					foreach ($sub_result as $sub_row) {
 						echo escape($sub_row["menu_language"])." - ".escape($sub_row["menu_name"])."\n";
 					}
 				}
diff --git a/core/events/resources/classes/events.php b/core/events/resources/classes/events.php
index fe19d7d1fd..e3fbb373cb 100644
--- a/core/events/resources/classes/events.php
+++ b/core/events/resources/classes/events.php
@@ -118,7 +118,7 @@ class events {
 	 * @return boolean $value
 	 */
 	public function check_required($category) {
-		foreach ($this->required['headers'] as &$header) {
+		foreach ($this->required['headers'] as $header) {
 			if ($category == $header) {
 				return true;
 			}
@@ -131,7 +131,7 @@ class events {
 	 */
 	public function send() {
 		//check for required headers are present return false if any are missing
-			foreach ($this->headers as &$header) {
+			foreach ($this->headers as $header) {
 				if (!$this->check_required($header)) {
 					return false;
 				}
diff --git a/core/groups/group_members.php b/core/groups/group_members.php
index d447b4b065..8c9eba0cf1 100644
--- a/core/groups/group_members.php
+++ b/core/groups/group_members.php
@@ -119,7 +119,7 @@
 
 //add group_member to the users array
 	if (!empty($users)) {
-		foreach ($users as &$field) {
+		foreach ($users as $field) {
 			$field['group_member'] = 'false';
 			if (!empty($user_groups)) {
 				foreach($user_groups as $row) {
@@ -196,7 +196,7 @@
 
 	if (is_array($user_groups) && @sizeof($user_groups) != 0) {
 		$x = 0;
-		foreach ($user_groups as &$row) {
+		foreach ($user_groups as $row) {
 			echo "<tr class='list-row' href='".$list_row_url."'>";
 			if (permission_exists('group_member_delete')) {
 				echo "	<td class='checkbox'>\n";
diff --git a/core/groups/permissions_copy.php b/core/groups/permissions_copy.php
index c10f16dcf5..0b629efa12 100644
--- a/core/groups/permissions_copy.php
+++ b/core/groups/permissions_copy.php
@@ -96,7 +96,7 @@
 			unset($sql, $parameters);
 
 			if (is_array($result) && sizeof($result) != 0) {
-				foreach ($result as $x => &$row) {
+				foreach ($result as $x => $row) {
 					//define group permissions values
 						$domain_uuid = $row["domain_uuid"];
 						$permission_name = $row["permission_name"];
diff --git a/core/groups/resources/classes/permission.php b/core/groups/resources/classes/permission.php
index 6eee4f289e..45578b78f5 100644
--- a/core/groups/resources/classes/permission.php
+++ b/core/groups/resources/classes/permission.php
@@ -33,7 +33,7 @@
 				//get the $apps array from the installed apps from the core and mod directories
 					$config_list = glob($_SERVER["DOCUMENT_ROOT"].PROJECT_PATH."/*/*/app_config.php");
 					$x = 0;
-					foreach ($config_list as &$config_path) {
+					foreach ($config_list as $config_path) {
 						include($config_path);
 						$x++;
 					}
@@ -130,7 +130,7 @@
 				//get the $apps array from the installed apps from the core and mod directories
 					$config_list = glob($_SERVER["DOCUMENT_ROOT"].PROJECT_PATH."/*/*/app_config.php");
 					$x = 0;
-					foreach ($config_list as &$config_path) {
+					foreach ($config_list as $config_path) {
 						include($config_path);
 						$x++;
 					}
diff --git a/core/menu/menu_item_list.php b/core/menu/menu_item_list.php
index 2f5a4b0648..367231119a 100644
--- a/core/menu/menu_item_list.php
+++ b/core/menu/menu_item_list.php
@@ -124,7 +124,7 @@
 
 				$group_list = '';
 				if (!empty($sub_result) && sizeof($sub_result) != 0) {
-					foreach ($sub_result as &$sub_row) {
+					foreach ($sub_result as $sub_row) {
 						$group_array[] = $sub_row["group_name"].((!empty($sub_row['group_domain_uuid'])) ? "@".$_SESSION['domains'][$sub_row['group_domain_uuid']]['domain_name'] : null);
 					}
 					$group_list = !empty($group_array) ? implode(', ', $group_array) : '';
@@ -306,7 +306,7 @@
 				unset($sql, $group_list);
 
 				if (!empty($sub_result) && sizeof($sub_result) != 0) {
-					foreach ($sub_result as &$sub_row) {
+					foreach ($sub_result as $sub_row) {
 						$group_list[] = $sub_row["group_name"].((!empty($sub_row['group_domain_uuid'])) ? "@".$_SESSION['domains'][$sub_row['group_domain_uuid']]['domain_name'] : null);
 					}
 					$group_list = implode(', ', $group_list);
diff --git a/core/permissions/app_defaults.php b/core/permissions/app_defaults.php
index 00a5f464f7..23d1113aec 100644
--- a/core/permissions/app_defaults.php
+++ b/core/permissions/app_defaults.php
@@ -9,7 +9,7 @@ if ($domains_processed == 1) {
 	//get the $apps array from the installed apps from the core and mod directories
 		$config_list = glob($_SERVER["DOCUMENT_ROOT"].PROJECT_PATH."/*/*/app_config.php");
 		$x = 0;
-		foreach ($config_list as &$config_path) {
+		foreach ($config_list as $config_path) {
 			include($config_path);
 			$x++;
 		}
diff --git a/core/upgrade/index.php b/core/upgrade/index.php
index 2912372ba5..e3749f27cd 100644
--- a/core/upgrade/index.php
+++ b/core/upgrade/index.php
@@ -406,7 +406,7 @@
 		$database = new database;
 		$result = $database->select($sql, null, 'all');
 		if (is_array($result) && sizeof($result) != 0) {
-			foreach ($result as &$row) {
+			foreach ($result as $row) {
 				if ($row["menu_name"] == 'default') {
 					echo "<option selected value='".$row["menu_uuid"]."|".$row["menu_language"]."'>".$row["menu_name"]."</option>";
 				}
diff --git a/core/user_settings/user_setting_edit.php b/core/user_settings/user_setting_edit.php
index be39f3e561..7e1c690b26 100644
--- a/core/user_settings/user_setting_edit.php
+++ b/core/user_settings/user_setting_edit.php
@@ -227,7 +227,7 @@ if (!empty($_POST) && empty($_POST["persistformvar"])) {
 
 					$time_zone_found = false;
 					if (is_array($result) && sizeof($result) != 0) {
-						foreach ($result as &$row) {
+						foreach ($result as $row) {
 							//get the dialplan_uuid
 								$dialplan_uuid = $row["dialplan_uuid"];
 
diff --git a/core/user_settings/user_settings.php b/core/user_settings/user_settings.php
index 8ca058a7d1..3e768b1442 100644
--- a/core/user_settings/user_settings.php
+++ b/core/user_settings/user_settings.php
@@ -271,7 +271,7 @@
 				$database = new database;
 				$sub_result = $database->select($sql, $parameters, 'all');
 				if (!empty($sub_result)) {
-					foreach ($sub_result as &$sub_row) {
+					foreach ($sub_result as $sub_row) {
 						echo escape($sub_row["menu_language"])." - ".escape($sub_row["menu_name"])."\n";
 					}
 				}
diff --git a/resources/classes/database.php b/resources/classes/database.php
index 6cc62148c5..0f487209ce 100644
--- a/resources/classes/database.php
+++ b/resources/classes/database.php
@@ -645,14 +645,14 @@
 					$tmp = $prep_statement->fetchAll(PDO::FETCH_NAMED);
 					if ($this->type == "pgsql" || $this->type == "sqlite" || $this->type == "mssql") {
 						if (is_array($tmp)) {
-							foreach ($tmp as &$row) {
+							foreach ($tmp as $row) {
 								$result[]['name'] = $row['name'];
 							}
 						}
 					}
 					if ($this->type == "mysql") {
 						if (is_array($tmp)) {
-							foreach ($tmp as &$row) {
+							foreach ($tmp as $row) {
 								$table_array = array_values($row);
 								$result[]['name'] = $table_array[0];
 							}
@@ -2815,7 +2815,7 @@
 
 							//get the domain_uuid
 							$domain_uuid = '';
-							foreach($old_array as &$data_array) {
+							foreach ($old_array as $data_array) {
 								foreach ($data_array as $row) {
 									if (!empty($row['domain_uuid'])) {
 										$domain_uuid = $row['domain_uuid'];
@@ -2968,7 +2968,7 @@
 					$config_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/app_config.php");
 					$x = 0;
 					if (is_array($config_list)) {
-						foreach ($config_list as &$config_path) {
+						foreach ($config_list as $config_path) {
 							include($config_path);
 							$x++;
 						}
@@ -3011,7 +3011,7 @@
 				//search through all fields to see if domain_uuid exists
 					foreach (self::$apps as $x => &$app) {
 						if (is_array($app['db'])) {
-							foreach ($app['db'] as $y => &$row) {
+							foreach ($app['db'] as $y => $row) {
 								if (is_array($row['table']['name'])) {
 									$table_name = $row['table']['name']['text'];
 								}
@@ -3065,15 +3065,15 @@
 						}
 					}
 					$x = 0;
-					foreach ($config_list as &$config_path) {
+					foreach ($config_list as $config_path) {
 						include($config_path);
 						$x++;
 					}
 
 				//search through all fields to find relations
 					if (!empty($apps) && is_array($apps)) {
-						foreach ($apps as $x => &$app) {
-							foreach ($app['db'] as $y => &$row) {
+						foreach ($apps as $x => $app) {
+							foreach ($app['db'] as $y => $row) {
 								foreach ($row['fields'] as $z => $field) {
 									if (!empty($field['deprecated']) && $field['deprecated'] != "true") {
 										if (!empty($field['key']['type']) &&  $field['key']['type'] == "foreign") {
diff --git a/resources/classes/directory.php b/resources/classes/directory.php
index d2a2f0bdb8..c000e60df3 100644
--- a/resources/classes/directory.php
+++ b/resources/classes/directory.php
@@ -501,7 +501,7 @@
 					$call_group = $row['call_group'];
 					$call_group = str_replace(";", ",", $call_group);
 					$tmp_array = explode(",", $call_group);
-					foreach ($tmp_array as &$tmp_call_group) {
+					foreach ($tmp_array as $tmp_call_group) {
 						if (!empty($tmp_call_group)) {
 							if (empty($call_group_array[$tmp_call_group])) {
 								$call_group_array[$tmp_call_group] = $row['extension'];
@@ -603,7 +603,7 @@
 							$xml .= "					to keep searching for the user in the directory.\n";
 							$xml .= "					-->\n";
 							$extension_array = explode(",", $extension_list);
-							foreach ($extension_array as &$tmp_extension) {
+							foreach ($extension_array as $tmp_extension) {
 								$xml .= "					<user id=\"$tmp_extension\" type=\"pointer\"/>\n";
 							}
 							$xml .= "				</users>\n";
diff --git a/resources/classes/domains.php b/resources/classes/domains.php
index fc85d60ca0..8d3fd4c643 100644
--- a/resources/classes/domains.php
+++ b/resources/classes/domains.php
@@ -144,13 +144,13 @@ if (!class_exists('domains')) {
 										//get the $apps array from the installed apps from the core and mod directories
 											$config_list = glob($_SERVER["DOCUMENT_ROOT"].PROJECT_PATH."/*/*/app_config.php");
 											$x=0;
-											if (isset($config_list)) foreach ($config_list as &$config_path) {
+											if (isset($config_list)) foreach ($config_list as $config_path) {
 												include($config_path);
 												$x++;
 											}
 
 										//delete the domain data from all tables in the database
-											if (isset($apps)) foreach ($apps as &$app) {
+											if (isset($apps)) foreach ($apps as $app) {
 												if (isset($app['db'])) foreach ($app['db'] as $row) {
 													if (is_array($row['table']['name'])) {
 														$table_name = $row['table']['name']['text'];
@@ -623,7 +623,7 @@ if (!class_exists('domains')) {
 				$config_list = array_merge((array)$config_list_1, (array)$config_list_2);
 				unset($config_list_1,$config_list_2);
 				$x=0;
-				foreach ($config_list as &$config_path) {
+				foreach ($config_list as $config_path) {
 					$app_path = dirname($config_path);
 					$app_path = preg_replace('/\A.*(\/.*\/.*)\z/', '$1', $app_path);
 					include($config_path);
@@ -650,7 +650,7 @@ if (!class_exists('domains')) {
 
 					//get the list of installed apps from the core and mod directories and run the php code in app_defaults.php
 						$default_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/app_defaults.php");
-						foreach ($default_list as &$default_path) {
+						foreach ($default_list as $default_path) {
 							include($default_path);
 						}
 
diff --git a/resources/classes/email.php b/resources/classes/email.php
index 7ccc995b00..c8317ff23e 100644
--- a/resources/classes/email.php
+++ b/resources/classes/email.php
@@ -142,7 +142,7 @@ if (!class_exists('email')) {
 
 				//get the attachments and add to the email
 				$x = 0;
-				foreach ($decoded[0]["Parts"] as &$parts_array) {
+				foreach ($decoded[0]["Parts"] as $parts_array) {
 					//image/tiff;name="testfax.tif"
 					//text/plain; charset=ISO-8859-1; format=flowed
 					$content_type = $parts_array["Parts"][0]["Headers"]["content-type:"];
diff --git a/resources/classes/event_socket.php b/resources/classes/event_socket.php
index 92c6372e86..adba507613 100644
--- a/resources/classes/event_socket.php
+++ b/resources/classes/event_socket.php
@@ -216,7 +216,7 @@ class event_socket {
 		}
 
 		$cmd_array = explode("\n", $cmd);
-		foreach ($cmd_array as &$value) {
+		foreach ($cmd_array as $value) {
 			fputs($this->fp, $value."\n");
 		}
 		fputs($this->fp, "\n"); //second line feed to end the headers
diff --git a/resources/classes/groups.php b/resources/classes/groups.php
index 2e182b727f..430110d914 100644
--- a/resources/classes/groups.php
+++ b/resources/classes/groups.php
@@ -459,7 +459,7 @@ if (!class_exists('groups')) {
 					//build the apps array
 					$config_list = glob($_SERVER["DOCUMENT_ROOT"].PROJECT_PATH."/*/*/app_config.php");
 					$x = 0;
-					foreach ($config_list as &$config_path) {
+					foreach ($config_list as $config_path) {
 						include($config_path);
 						$x++;
 					}
diff --git a/resources/classes/schema.php b/resources/classes/schema.php
index f5e1e2c9b4..d4f57e8518 100644
--- a/resources/classes/schema.php
+++ b/resources/classes/schema.php
@@ -47,7 +47,7 @@ if (!class_exists('schema')) {
 				//get the list of installed apps from the core and mod directories
 				$config_list = glob($_SERVER["DOCUMENT_ROOT"] . PROJECT_PATH . "/*/*/app_config.php");
 				$x=0;
-				foreach ($config_list as &$config_path) {
+				foreach ($config_list as $config_path) {
 					try {
 						include($config_path);
 					}
@@ -137,7 +137,7 @@ if (!class_exists('schema')) {
 
 		//check if a column exists in sqlite
 			private function sqlite_column_exists($table_info, $column_name) {
-				foreach ($table_info as $key => &$row) {
+				foreach ($table_info as $key => $row) {
 					if ($row['name'] == $column_name) {
 						return true;
 					}
@@ -274,21 +274,21 @@ if (!class_exists('schema')) {
 		//database type
 			private function db_data_type($db_type, $table_info, $column_name) {
 				if ($db_type == "sqlite") {
-					foreach ($table_info as $key => &$row) {
+					foreach ($table_info as $key => $row) {
 						if ($row['name'] == $column_name) {
 							return $row['type'];
 						}
 					}
 				}
 				if ($db_type == "pgsql") {
-					foreach ($table_info as $key => &$row) {
+					foreach ($table_info as $key => $row) {
 						if ($row['column_name'] == $column_name) {
 							return $row['data_type'];
 						}
 					}
 				}
 				if ($db_type == "mysql") {
-					foreach ($table_info as $key => &$row) {
+					foreach ($table_info as $key => $row) {
 						if ($row['Field'] == $column_name) {
 							return $row['Type'];
 						}
@@ -298,7 +298,7 @@ if (!class_exists('schema')) {
 
 		//sqlite column exists
 			private function db_sqlite_column_exists($table_info, $column_name) {
-				foreach ($table_info as $key => &$row) {
+				foreach ($table_info as $key => $row) {
 					if ($row['name'] == $column_name) {
 						return true;
 					}
@@ -348,7 +348,7 @@ if (!class_exists('schema')) {
 		//database create table
 			public function db_create_table ($apps, $db_type, $table) {
 				if (empty($apps)) { return false; }
-				if (is_array($apps)) foreach ($apps as $x => &$app) {
+				if (is_array($apps)) foreach ($apps as $x => $app) {
 					if (!empty($app['db']) && is_array($app['db'])) foreach ($app['db'] as $y => $row) {
 						if (!empty($row['table']['name']) && is_array($row['table']['name'])) {
 							$table_name = $row['table']['name']['text'];
@@ -393,7 +393,7 @@ if (!class_exists('schema')) {
 		//database insert
 			private function db_insert_into ($apps, $db_type, $table) {
 				global $db_name;
-				foreach ($apps as $x => &$app) {
+				foreach ($apps as $x => $app) {
 					foreach ($app['db'] as $y => $row) {
 						if ($row['table']['name'] == $table) {
 							$sql = "INSERT INTO " . $row['table']['name'] . " (";
@@ -520,8 +520,8 @@ if (!class_exists('schema')) {
 
 				//update the app db array add exists true or false
 					$sql = '';
-					foreach ($this->apps as $x => &$app) {
-						if (isset($app['db'])) foreach ($app['db'] as $y => &$row) {
+					foreach ($this->apps as $x => $app) {
+						if (isset($app['db'])) foreach ($app['db'] as $y => $row) {
 							if (isset($row['table']['name'])) {
 								if (is_array($row['table']['name'])) {
 									$table_name = $row['table']['name']['text'];
@@ -582,8 +582,8 @@ if (!class_exists('schema')) {
 					$sql_update = '';
 
 				//add missing tables and fields
-					foreach ($this->apps as $x => &$app) {
-						if (isset($app['db'])) foreach ($app['db'] as $y => &$row) {
+					foreach ($this->apps as $x => $app) {
+						if (isset($app['db'])) foreach ($app['db'] as $y => $row) {
 							if (is_array($row['table']['name'])) {
 								$table_name = $row['table']['name']['text'];
 								if ($this->db_table_exists($db_type, $db_name, $row['table']['name']['deprecated'])) {
@@ -735,8 +735,8 @@ if (!class_exists('schema')) {
 						}
 					}
 				//rebuild and populate the table
-					foreach ($this->apps as $x => &$app) {
-						if (isset($app['db'])) foreach ($app['db'] as $y => &$row) {
+					foreach ($this->apps as $x => $app) {
+						if (isset($app['db'])) foreach ($app['db'] as $y => $row) {
 							if (is_array($row['table']['name'])) {
 								$table_name = $row['table']['name']['text'];
 							}
@@ -792,7 +792,7 @@ if (!class_exists('schema')) {
 							$response .= "<tr>\n";
 						//build the html while looping through the app db array
 							$sql = '';
-							foreach ($this->apps as &$app) {
+							foreach ($this->apps as $app) {
 								if (isset($app['db'])) foreach ($app['db'] as $row) {
 									if (is_array($row['table']['name'])) {
 										$table_name = $row['table']['name']['text'];
diff --git a/resources/classes/sounds.php b/resources/classes/sounds.php
index 57743e3092..f29116f714 100644
--- a/resources/classes/sounds.php
+++ b/resources/classes/sounds.php
@@ -48,7 +48,7 @@ class sounds {
 				$database = new database;
 				$recordings = $database->select($sql, $parameters, 'all');
 				if (is_array($recordings) && @sizeof($recordings) != 0) {
-					foreach ($recordings as $x => &$row) {
+					foreach ($recordings as $x => $row) {
 						$recording_name = $row["recording_name"];
 						$recording_filename = $row["recording_filename"];
 						$recording_path = !empty($this->full_path) && is_array($this->full_path) && in_array('recordings', $this->full_path) ? $_SESSION['switch']['recordings']['dir'].'/'.$_SESSION['domain_name'].'/' : null;
@@ -66,7 +66,7 @@ class sounds {
 				$database = new database;
 				$phrases = $database->select($sql, $parameters, 'all');
 				if (is_array($phrases) && @sizeof($phrases) != 0) {
-					foreach ($phrases as &$row) {
+					foreach ($phrases as $row) {
 						$array['phrases'][$x]['name'] = "phrase:".$row["phrase_name"];
 						$array['phrases'][$x]['value'] = "phrase:".$row["phrase_uuid"];
 						$x++;
diff --git a/resources/functions.php b/resources/functions.php
index 4dd8e0b708..cb6e23db22 100644
--- a/resources/functions.php
+++ b/resources/functions.php
@@ -845,7 +845,7 @@
 		if (is_numeric(trim($phone_number ?? '', ' +'))) {
 			if (isset($_SESSION["format"]["phone"])) {
 				$phone_number = trim($phone_number, ' +');
-				foreach ($_SESSION["format"]["phone"] as &$format) {
+				foreach ($_SESSION["format"]["phone"] as $format) {
 					$format_count = substr_count($format, 'x');
 					$format_count = $format_count + substr_count($format, 'R');
 					$format_count = $format_count + substr_count($format, 'r');
diff --git a/resources/login.php b/resources/login.php
index bd536e376c..e079da6414 100644
--- a/resources/login.php
+++ b/resources/login.php
@@ -299,7 +299,7 @@
 				echo "<select name='domain_name' class='txt login' style='".$placeholder_color." width: 200px; text-align: center; text-align-last: center; margin-bottom: 8px;' onclick=\"this.style.color='".$click_change_color."';\" onchange=\"this.style.color='".$click_change_color."';\">\n";
 				echo "	<option value='' disabled selected hidden>".$text['label-domain']."</option>\n";
 				sort($_SESSION['login']['domain_name']);
-				foreach ($_SESSION['login']['domain_name'] as &$row) {
+				foreach ($_SESSION['login']['domain_name'] as $row) {
 					echo "	<option value='".escape($row)."'>".escape($row)."</option>\n";
 				}
 				echo "</select><br />\n";
diff --git a/resources/switch.php b/resources/switch.php
index 9074c5e0d5..5aba89499c 100644
--- a/resources/switch.php
+++ b/resources/switch.php
@@ -142,7 +142,7 @@ function save_gateway_xml() {
 		$database = new database;
 		$result = $database->select($sql, $parameters, 'all');
 		if (!empty($result)) {
-			foreach ($result as &$row) {
+			foreach ($result as $row) {
 				if ($row['enabled'] != "false") {
 						//set the default profile as external
 							$profile = $row['profile'];
@@ -284,7 +284,7 @@ function save_var_xml() {
 		$prev_var_category = '';
 		$xml = '';
 		if (!empty($variables)) {
-			foreach ($variables as &$row) {
+			foreach ($variables as $row) {
 				if ($row['var_category'] != 'Provision') {
 					if ($prev_var_category != $row['var_category']) {
 						$xml .= "\n<!-- ".$row['var_category']." -->\n";
@@ -359,7 +359,7 @@ function outbound_route_to_bridge($domain_uuid, $destination_number, array $chan
 	$result = $database->select($sql, $parameters, 'all');
 	unset($sql, $parameters);
 	if (!empty($result)) {
-		foreach ($result as &$row) {
+		foreach ($result as $row) {
 			$dialplan_uuid = $row["dialplan_uuid"];
 			$dialplan_detail_uuid = $row["dialplan_detail_uuid"];
 			$outbound_routes[$dialplan_uuid][$dialplan_detail_uuid]["dialplan_detail_tag"] = $row["dialplan_detail_tag"];
@@ -371,9 +371,9 @@ function outbound_route_to_bridge($domain_uuid, $destination_number, array $chan
 	
 	if (!empty($outbound_routes)) {
 		$x = 0;
-		foreach ($outbound_routes as &$dialplan) {
+		foreach ($outbound_routes as $dialplan) {
 			$condition_match = [];
-			foreach ($dialplan as &$dialplan_details) {
+			foreach ($dialplan as $dialplan_details) {
 				if (!empty($dialplan_details['dialplan_detail_tag']) && $dialplan_details['dialplan_detail_tag'] == "condition") {
 					if ($dialplan_details['dialplan_detail_type'] == "destination_number") {
 							$pattern = '/'.$dialplan_details['dialplan_detail_data'].'/';
@@ -404,7 +404,7 @@ function outbound_route_to_bridge($domain_uuid, $destination_number, array $chan
 			}
 
 			if (!in_array('false', $condition_match)) {
-				foreach ($dialplan as &$dialplan_details) {
+				foreach ($dialplan as $dialplan_details) {
 					$dialplan_detail_data = $dialplan_details['dialplan_detail_data'] ?? '';
 					if (
 						!empty($dialplan_details['dialplan_detail_tag']) &&
@@ -433,7 +433,7 @@ function outbound_route_to_bridge($domain_uuid, $destination_number, array $chan
 }
 //$destination_number = '1231234';
 //$bridge_array = outbound_route_to_bridge ($domain_uuid, $destination_number);
-//foreach ($bridge_array as &$bridge) {
+//foreach ($bridge_array as $bridge) {
 //	echo "bridge: ".$bridge."<br />";
 //}
 
@@ -561,7 +561,7 @@ if (!function_exists('save_call_center_xml')) {
 
 				//prepare Queue XML string
 					$x=0;
-					foreach ($call_center_queues as &$row) {
+					foreach ($call_center_queues as $row) {
 						$queue_name = $row["queue_name"];
 						$queue_extension = $row["queue_extension"];
 						$queue_strategy = $row["queue_strategy"];
@@ -631,7 +631,7 @@ if (!function_exists('save_call_center_xml')) {
 
 					$x=0;
 					if (!empty($result)) {
-						foreach ($result as &$row) {
+						foreach ($result as $row) {
 							//get the values from the db and set as php variables
 								$agent_name = $row["agent_name"];
 								$agent_type = $row["agent_type"];
@@ -721,7 +721,7 @@ if (!function_exists('save_call_center_xml')) {
 
 					$x=0;
 					if (!empty($result)) {
-						foreach ($result as &$row) {
+						foreach ($result as $row) {
 							$agent_name = $row["agent_name"];
 							$queue_name = $row["queue_name"];
 							$tier_level = $row["tier_level"];
@@ -913,7 +913,7 @@ if (!function_exists('save_sip_profile_xml')) {
 						$result_2 = $database->select($sql, $parameters, 'all');
 						if (!empty($result_2)) {
 							$sip_profile_settings = '';
-							foreach ($result_2 as &$row_2) {
+							foreach ($result_2 as $row_2) {
 								$sip_profile_settings .= "		<param name=\"".$row_2["sip_profile_setting_name"]."\" value=\"".$row_2["sip_profile_setting_value"]."\"/>\n";
 							}
 						}
@@ -991,7 +991,7 @@ if(!function_exists('path_join')) {
 		}
 
 		$prefix = null;
-		foreach($paths as &$path) {
+		foreach ($paths as $path) {
 			if($prefix === null && !empty($path)) {
 				if(substr($path, 0, 1) == '/') $prefix = '/';
 				else $prefix = '';
diff --git a/secure/fax_to_email.php b/secure/fax_to_email.php
index e447b40226..4775e73d3a 100644
--- a/secure/fax_to_email.php
+++ b/secure/fax_to_email.php
@@ -70,7 +70,7 @@ if (!function_exists('path_join')) {
 		}
 
 		$prefix = null;
-		foreach($paths as &$path) {
+		foreach ($paths as $path) {
 			if ($prefix === null && !empty($path)) {
 				if (substr($path, 0, 1) == '/') $prefix = '/';
 				else $prefix = '';