Update logging class (#6829)
* logging class improvements * remove alias * adjust line print out for field order * refactor class name to be inline with framework standard * fix writing direct to write method
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frytimo
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@ -1,91 +1,165 @@
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<?php
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/**
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* Logging class:
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* - contains lfile, lwrite and lclose public methods
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* - lfile sets path and name of log file
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* - lwrite writes message to the log file (and implicitly opens log file)
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* - lclose closes log file
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* - first call of lwrite method will open log file implicitly
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* - message is written with the following format: [d/M/Y:H:i:s] (script name) message
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*/
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class Logging
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{
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// declare log file and file pointer as private properties
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private $log_file, $fp;
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// set log file (path and name)
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/**
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* Logging class:
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* - constructor requires the full file name and path for the log file. if it
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* does not exist php will automatically try and create it. The log file will
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* remain open for the life cycle of the object to improve performance.
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* - message is written with the following format: [d/M/Y:H:i:s] (script name) message.
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* - log file is closed when the object is destroyed.
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*/
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class logging {
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public function lfile($path)
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{
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$this->log_file = $path;
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}
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// declare log file and file pointer as private properties
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private $fp;
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private $debug_func;
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private $debug_line;
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private $debug_file;
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private $debug_class;
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// write message to the log file
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public function __construct(string $filename_and_path) {
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//init values
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$this->clear_debug();
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public function lwrite($message)
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{
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// if file pointer doesn't exist, then open log file
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if (!$this->fp) {
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$this->lopen();
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}
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// define script name
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$script_name = pathinfo($_SERVER['PHP_SELF'], PATHINFO_FILENAME);
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// define current time and suppress E_WARNING if using the system TZ settings
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// (don't forget to set the INI setting date.timezone)
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$time = @date('[d/M/Y:H:i:s]');
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// write current time, script name and message to the log file
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fwrite($this->fp, "$time ($script_name) $message" . PHP_EOL);
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}
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// close log file (it's always a good idea to close a file when you're done with it)
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private function lopen()
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{
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// in case of Windows set default log file
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if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
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$log_file_default = 'c:/php/logfile.txt';
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} // set default log file for Linux and other systems
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else {
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$log_file_default = '/tmp/logfile.txt';
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}
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// define log file from lfile method or use previously set default
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$lfile = $this->log_file ? $this->log_file : $log_file_default;
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// open log file for writing only and place file pointer at the end of the file
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// (if the file does not exist, try to create it)
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$this->fp = fopen($lfile, 'a') or exit("Can't open $lfile!");
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}
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// open log file (private method)
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public function lclose()
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{
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fclose($this->fp);
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}
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public function log($level, $msg){
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$log_file = $_SESSION['logging']['log']['logfile'];
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$log_level = $_SESSION['logging']['log']['loglevel'];
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if ($log_level !== $level) {
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return;
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try {
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//open file in append mode
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$this->fp = fopen($filename_and_path, 'a');
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} catch (Exception $ex) {
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//send the error to the caller
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throw $ex;
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}
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}
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if ($log_file) {
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$this->lfile($log_file);
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public function __destruct() {
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try {
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$this->flush();
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} catch (Exception $ex) {
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//do nothing
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} finally {
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//close the file
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if (is_resource($this->fp)) {
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fclose($this->fp);
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}
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}
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}
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$this->lopen();
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/**
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* Ensure all data arrives on disk
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* @throws Exception
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*/
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public function flush() {
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try {
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//ensure everything arrives on disk
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if (is_resource($this->fp)) {
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fflush($this->fp);
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}
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} catch (Exception $ex) {
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throw $ex;
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}
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}
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$this->lwrite("[".strtoupper($level)."] ".$msg);
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// write message to the log file
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private function _write($msg) {
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// define current time and suppress E_WARNING if using the system TZ settings
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}
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//close handle
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$this->lclose();
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private function clear_debug() {
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$this->debug_line = null;
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$this->debug_file = null;
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$this->debug_func = null;
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$this->debug_class = null;
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}
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/**
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* Write raw data to the
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* @param string $level
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* @param string $message
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*/
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public function write(string $level, string $message) {
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$this->get_backtrace_details();
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// write current time, script name and message to the log file
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// (don't forget to set the INI setting date.timezone)
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$time = @date('Y-m-d H:i:s');
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$file = $this->debug_file ?? 'file not set';
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$line = $this->debug_line ?? '0000';
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fwrite($this->fp, "[$time] [$level] [{$file}:{$line}] $message");
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$this->clear_debug();
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}
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public function debug_class(?string $debug_class = null) {
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if (func_num_args() > 0) {
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$this->debug_class = $debug_class;
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return $this;
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}
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return $this->debug_class;
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}
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public function debug_line(?string $debug_line = null) {
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if (func_num_args() > 0) {
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$this->debug_line = $debug_line;
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return $this;
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}
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return $this->debug_line;
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}
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public function debug_func(?string $debug_func = null) {
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if (func_num_args() > 0) {
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$this->debug_func = $debug_func;
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return $this;
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}
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return $this->debug_func;
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}
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public function debug_file(?string $debug_file = null) {
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if (func_num_args() > 0) {
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$this->debug_file = $debug_file;
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return $this;
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}
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return $this->debug_file;
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}
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public function writeln($level, $message) {
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$this->get_backtrace_details();
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$this->write($level, $message . "\n");
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}
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public function debug($message) {
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$this->get_backtrace_details();
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$this->writeln("DEBUG", $message);
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}
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public function info($message) {
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$this->get_backtrace_details();
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$this->writeln("INFO", $message);
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}
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public function warning($message) {
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$this->get_backtrace_details();
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$this->writeln("WARNING", $message);
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}
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public function error($message) {
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$this->get_backtrace_details();
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$this->writeln("ERROR", $message);
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}
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private function get_backtrace_details() {
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if ($this->debug_file === null) {
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$debug = debug_backtrace();
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$ndx = count($debug) - 1;
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$this->debug_file = $debug[$ndx]['file'];
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$this->debug_line = $debug[$ndx]['line'];
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$this->debug_func = $debug[$ndx]['function'];
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$this->debug_class = $debug[$ndx]['class'] ?? '';
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}
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}
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}
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}
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//$log = new Logging();
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//$log->log("debug", "passed validation, ".__line__);
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//$log->log("debug", check_str($_POST["ivr_menu_uuid"]));
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?>
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/*
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* Example:
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$log = new logging(sys_get_temp_dir() . '/logging.log');
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$log->writeln("debug", "passed validation");
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$log->debug("pass");
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$log->warning("variable should not used");
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$log->debug_file(__FILE__)->debug_line(__LINE__)->write("DEBUG", "Raw message\n");
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*/
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