PHP: Logger

log.php

<?php

	/**
	* 	Debug / Logger
	*
	* 	@author : christopher a. moore <[email protected]>
	* 	@Usage  :
	*		$log = new Log();
	*		$log->debug = true;
	*		$log->msg('Initialize Debug Class');
	*
	*/
	class Log
	{
		public $file;
		public $debug;

		/**
		 * Setup Logfile
		 */
		function __construct()
		{
			$this->file = dirname(__FILE__) . '/log.txt';
		}

		/**
		 * Write Msg
		 */
		function msg($data){
			if (!$this->debug === false ){
				$msg =  $this->whereCalled() . $data;
				file_put_contents($this->file, $msg."\n", FILE_APPEND);
			}
		}

		/**
		 * Detect Where Called From
		 */
		function whereCalled( $level = 1 ) {
		    $trace = debug_backtrace();
		    $file   = $trace[$level]['file'];
		    $line   = $trace[$level]['line'];
		    $object = $trace[$level]['object'];
		    if (is_object($object)) { $object = get_class($object); }

		    return "Line : $line ($file) : ";
		}
	}