Token [Class] - Updates for PHP 8.1
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@ -81,7 +81,7 @@ class token {
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$key = preg_replace('[^a-zA-Z0-9]', '', $key);
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//get the token name
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if (is_array($_SESSION['tokens'][$key]) && @sizeof($_SESSION['tokens'][$key]) != 0) {
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if (!empty($_SESSION['tokens']) && is_array($_SESSION['tokens'][$key]) && @sizeof($_SESSION['tokens'][$key]) != 0) {
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foreach ($_SESSION['tokens'][$key] as $t => $token) {
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$token_name = $token['name'];
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if (isset($_REQUEST[$token_name])) {
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@ -94,7 +94,7 @@ class token {
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$value = preg_replace('[^a-zA-Z0-9]', '', $value);
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//compare the hashed tokens
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if (is_array($_SESSION['tokens'][$key]) && @sizeof($_SESSION['tokens'][$key]) != 0) {
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if (!empty($_SESSION['tokens']) && is_array($_SESSION['tokens'][$key]) && @sizeof($_SESSION['tokens'][$key]) != 0) {
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foreach ($_SESSION['tokens'][$key] as $t => $token) {
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if (hash_equals($token['hash'], $value)) {
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$_SESSION['tokens'][$key][$t]['validated'] = true;
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@ -110,7 +110,7 @@ class token {
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* clear previously validated tokens
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*/
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private function clear_validated() {
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if (is_array($_SESSION['tokens']) && @sizeof($_SESSION['tokens']) != 0) {
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if (!empty($_SESSION['tokens']) && is_array($_SESSION['tokens']) && @sizeof($_SESSION['tokens']) != 0) {
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foreach ($_SESSION['tokens'] as $key => $tokens) {
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if (is_array($tokens) && @sizeof($tokens) != 0) {
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foreach ($tokens as $t => $token) {
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