PHP error_reporting() function

PHP Error and Logging Functions

Example

Define different error levels to report:

<?php
 // Disable error reporting
 error_reporting(0);
 // Report runtime errors
 error_reporting(E_ERROR | E_WARNING | E_PARSE);
 // Report all errors
 error_reporting(E_ALL);
 // Equivalent to error_reporting(E_ALL);
 ini_set("error_reporting", E_ALL);
 // Report all errors except E_NOTICE
 error_reporting(E_ALL & ~E_NOTICE);
?>

Definition and Usage

The error_reporting() function specifies what kind of PHP errors should be reported.

The error_reporting() function can set the error_reporting directive at runtime.

PHP has many error levels, and this function can set the level at runtime. level, error_reporting() will only return the current error reporting level.

Syntax

error_reporting(level);
Parameter Description
level

Optional. Specifies a new error_reporting level. It can be a bitmask or a named constant.

Note:It is strongly recommended to use named constants to ensure compatibility with future versions. Due to the addition of error levels and the increase in integer value ranges, older integer-based error levels may not always behave as expected.

The predefined constants describe the available error level constants and their actual meanings.

Technical Details

Return Value: Returns the old error_reporting Level, or at level Returns the current level if no parameters are given.
PHP Version: 4.0+

PHP Error and Logging Functions