- var_dump: documentation ( source)
- error_reporting: documentation ( source)
<?php
var_dump(error_reporting());
// Turn off all error reporting
error_reporting(0);
var_dump(error_reporting());
// Report simple running errors
error_reporting(E_ERROR | E_WARNING | E_PARSE);
var_dump(error_reporting());
// Reporting E_NOTICE can be good too (to report uninitialized
// variables or catch variable name misspellings ...)
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);
var_dump(error_reporting());
// Report all errors except E_NOTICE
error_reporting(E_ALL & ~E_NOTICE);
var_dump(error_reporting());
// Report all PHP errors (see changelog)
error_reporting(E_ALL);
var_dump(error_reporting());
// Report all PHP errors
error_reporting(-1);
var_dump(error_reporting());