Custom Script to manage Error Log in PHP

customErrorHandler.php

<?php

function customErrorHandler($errno, $errstr, $errfile, $errline) {

	if (!(error_reporting() & $errno))
    		return true;

	switch ($errno) {

		case E_USER_ERROR:
			echo "[client ".$_SERVER['REMOTE_ADDR']."] ERROR: [".$errno."] ".$errstr." on line ".$errline." in file ".$errfile." ";
			exit(1);
		break;

		case E_USER_WARNING:
		case E_USER_NOTICE:
		default:
			echo "[client ".$_SERVER['REMOTE_ADDR']."] ERROR: [".$errno."] ".$errstr." on line ".$errline." in file ".$errfile." ";
		break;

	}

	error_log("[$errno] $errstr", 0);

	return true;

}

function fatalErrorHandler() {

	$last_error = error_get_last();

	if ($last_error['type'] === E_ERROR)
		customErrorHandler(E_ERROR, $last_error['message'], $last_error['file'], $last_error['line']);

}

register_shutdown_function('fatalErrorHandler');
set_error_handler("customErrorHandler", E_ALL|E_NOTICE|E_STRICT|E_DEPRECATED);