53 líneas
2,1 KiB
PHP
53 líneas
2,1 KiB
PHP
<?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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// declare log file and file pointer as private properties
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private $log_file, $fp;
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// set log file (path and name)
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public function lfile($path) {
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$this->log_file = $path;
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}
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// write message to the log file
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public function lwrite($message) {
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// if file pointer doesn't exist, then open log file
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if (!is_resource($this->fp)) {
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$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) $message" . PHP_EOL);
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}
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// close log file (it's always a good idea to close a file when you're done with it)
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public function lclose() {
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fclose($this->fp);
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}
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// open log file (private method)
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private function lopen() {
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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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$log_file_default = 'c:/php/logfile.txt';
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}
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// set default log file for Linux and other systems
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else {
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$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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}
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?>
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