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PHP error_reporting() Function

PHP Error Reference Complete PHP Error Reference

Definition and Usage

The error_reporting() function specifies which errors are reported.

This function sets which errors are reported for the duration of the current script.

This funtion returns the old error_reporting level.

Syntax

error_reporting(report_level)

Parameter Description
report_level Optional. Specifies the error report level for the current script. Value number and constant name are accepted, however, constant names are recommended for compatibility for future PHP versions

Report levels

Value Constant Description
1 E_ERROR Fatal run-time errors. Errors that can not be recovered from. Execution of the script is halted
2 E_WARNING Non-fatal run-time errors. Execution of the script is not halted
4 E_PARSE Compile-time parse errors. Parse errors should only be generated by the parser
8 E_NOTICE Run-time notices. The script found something that might be an error, but could also happen when running a script normally
16 E_CORE_ERROR Fatal errors at PHP startup. This is like an E_ERROR in the PHP core
32 E_CORE_WARNING Non-fatal errors at PHP startup. This is like an E_WARNING in the PHP core
64 E_COMPILE_ERROR Fatal compile-time errors. This is like an E_ERROR generated by the Zend Scripting Engine
128 E_COMPILE_WARNING Non-fatal compile-time errors. This is like an E_WARNING generated by the Zend Scripting Engine
256 E_USER_ERROR Fatal user-generated error. This is like an E_ERROR set by the programmer using the PHP function trigger_error()
512 E_USER_WARNING Non-fatal user-generated warning. This is like an E_WARNING set by the programmer using the PHP function trigger_error()
1024 E_USER_NOTICE User-generated notice. This is like an E_NOTICE set by the programmer using the PHP function trigger_error()
2048 E_STRICT Run-time notices. PHP suggest changes to your code to help interoperability and compatibility of the code
4096 E_RECOVERABLE_ERROR Catchable fatal error. This is like an E_ERROR but can be caught by a user defined handle (see also set_error_handler())
8191 E_ALL All errors and warnings, except level E_STRICT (E_STRICT will be part of E_ALL as of PHP 6.0)

Example

<?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);
?>

PHP Error Reference Complete PHP Error Reference
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