<?php

/*
 * Configuration :
 * // Log file
 * $log_file='/path/to/app.log';
 *
 * // Log level (DEBUG / INFO / WARNING / ERROR)
 * $log_level='INFO';
 */


// Log file descriptor (Do not change !!!)
$_log_file_fd=null;

// Log Levels
$_log_levels=array(
	'DEBUG' => 0,
	'INFO' => 1,
	'WARNING' => 2,
	'ERROR' => 3, 
);

function logging($level,$message) {
	global $log_file, $_log_file_fd, $_log_levels, $log_level;

	if (!array_key_exists($level, $_log_levels)) $level=='INFO';
	$level_id=$_log_levels[$level];

	if (!array_key_exists($log_level, $_log_levels)) $log_level=='INFO';
	$log_level_id=$_log_levels[$log_level];

	if ($level_id<$log_level_id) return true;
	if(is_null($_log_file_fd)) {
		$_log_file_fd=fopen($log_file,'a');
	}

	$msg=date('Y/m/d H:i:s').' - '.$_SERVER['REQUEST_URI'].' - '.$_SERVER['REMOTE_ADDR']." - $level - $message\n";

	fwrite($_log_file_fd,$msg);

	return true;
}