PHP | error_reporting() Function

PHP error_reporting() Function


Hello folks! welcome back to a new section of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP error_reporting() Function.

The error_reporting() function is used to set the error_reporting directive at runtime. PHP has many levels of errors, using this built-in PHP function sets that level for the duration (runtime) of your script.

Syntax

Following below is the syntax to use this function -

int error_reporting ( [int $level] );


Parameter Details

Sr.NoParameter & Description
1

level(Optional)

It specifies the error report level for the current script. Value number and constant name are accepted.

Report Levels

ValueConstantDescriptionPHP
1E_ERRORFatal run-time errors. Errors that cannot be recovered from. Execution of the script is halted
2E_WARNINGNon-fatal run-time errors. Execution of the script is not halted
4E_PARSECompile-time parse errors. Parse errors should only be generated by the parser
8E_NOTICERun-time notices. The script found something that might be an error, but could also happen when running a script normally
16E_CORE_ERRORFatal errors at PHP startup. This is like an E_ERROR in the PHP core4
32E_CORE_WARNINGNon-fatal errors at PHP startup. This is like an E_WARNING in the PHP core4
64E_COMPILE_ERRORFatal compile-time errors. This is like an E_ERROR generated by the Zend Scripting Engine4
128E_COMPILE_WARNINGNon-fatal compile-time errors. This is like an E_WARNING generated by the Zend Scripting Engine4
256E_USER_ERRORFatal user-generated error. This is like an E_ERROR set by the programmer using the PHP function trigger_error()4
512E_USER_WARNINGNon-fatal user-generated warning. This is like an E_WARNING set by the programmer using the PHP function trigger_error()4
1024E_USER_NOTICEUser-generated notice. This is like an E_NOTICE set by the programmer using the PHP function trigger_error()4
2048E_STRICTRun-time notices. PHP suggest changes to your code to help interoperability and compatibility of the code5
4096E_RECOVERABLE_ERRORCatchable fatal error. This is like an E_ERROR but can be caught by a user defined handle (see also set_error_handler())5
8191E_ALLAll errors and warnings, except of level E_STRICT5

Return Value

This built-in PHP function returns the old error_reporting levels.

Example

Try the following example -

<?php
   error_reporting(0);
   error_reporting(E_ALL);
?> 


Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the restore_error_handler() Function in PHP.

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