PHP error_reporting method

The error_reporting() function in php sets the error_reporting directive at runtime. When you set error_reporting in script, it sets temporary error reporting while running script.

Syntax:

error_reporting(level);

level optional integer or predefined constants with pipe sign. Here is example below:

<?php

// disable all error reporting
error_reporting(0);

// simple running errors
error_reporting(E_ERROR | E_WARNING | E_PARSE);

// all errors except E_NOTICE
error_reporting(E_ALL & ~E_NOTICE);

// all PHP errors
error_reporting(E_ALL);

// all PHP errors
error_reporting(-1);

//  as error_reporting(E_ALL);
ini_set('error_reporting', E_ALL);

Predefined constants

Value Constant Description
1 E_ERROR Fatal run-time errors. Script execution will stop.
2 E_WARNING Fatal run-time errors.
4 E_PARSE Compile-time parse errors.
8 E_NOTICE Run time warninigs with notice.
16 E_CORE_ERROR Warnings during PHP's initial starting.
32 E_CORE_WARNING Warnings during PHP's initial starting.
64 E_COMPILE_ERROR Fatal compile-time errors.
128 E_COMPILE_WARNING Compile-time warnings.
256 E_USER_ERROR User-generated error message.
512 E_USER_WARNING User-generated warning message.
1024 E_USER_NOTICE User-generated notice message.
2048 E_STRICT Suggestion to improve forward compatibility of your code.
4096 E_RECOVERABLE_ERROR Catchable fatal error.
8192 E_DEPRECATED Run-time notices that will not work in future versions.
16384 E_USER_DEPRECATED User-generated warning message.
32767 E_ALL All errors and warnings except E_STRICT

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