error_handler.php

<?php
/**
 * Custom error handler
 * 
 * @see http://www.php.net/manual/en/class.errorexception.php#95415
 */

set_error_handler(function ($number, $string, $file, $line) {
    // Determine if this error is enabled (php.ini, .htaccess, etc)
    if (!(error_reporting() & $number)) {
        return true;
    }
   
    // -- FATAL ERROR
    if (in_array($number, [E_USER_ERROR, E_RECOVERABLE_ERROR])) {
        throw new ErrorException($string, 0, $number, $file, $line);
    }
   
    // -- NON-FATAL ERROR/WARNING/NOTICE
    error_log($string, 0);
    // Make sure this ends up in $php_errormsg, if appropriate
    return false;
});