A small wrapper around PHP's built-in function for custom error handling.

set_real_error_handler.php

<?php

/**
 * A small wrapper around PHP's built-in function for custom error handling.
 * 
 * @param callback $callback this function accepts four parameters, same as required for set_error_handler() callback.
 * For error types explanation see http://php.net/manual/en/errorfunc.constants.php
 * 
 * @return void
 */

function set_real_error_handler($callback) {
	
	$wrapper = function($type, $message, $file, $line) use ($callback) {
		$callback($type, $message, $file, $line);
	};
	
	set_error_handler($wrapper);
	
	register_shutdown_function( function() use ($wrapper) {
		$error = error_get_last();
		if (
			$error 
			AND 
			in_array(
				$error['type'], 
				[ E_ERROR, E_PARSE, E_CORE_ERROR, E_CORE_WARNING, E_COMPILE_ERROR, E_COMPILE_WARNING ] 
			) 
		   ) 
			$wrapper($error['type'], $error['message'], $error['file'], $error['line'] );
	} );
}