int error_reporting ( [int $level] );
The error_reporting() function sets the error_reporting directive at runtime. PHP has many levels of errors, using this function sets that level for the duration (runtime) of your script.
|Sr.No||Parameter & Description|
It specifies the error report level for the current script. Value number and constant name are accepted.
|1||E_ERROR||Fatal run-time errors. Errors that cannot 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||4|
|32||E_CORE_WARNING||Non-fatal errors at PHP startup. This is like an E_WARNING in the PHP core||4|
|64||E_COMPILE_ERROR||Fatal compile-time errors. This is like an E_ERROR generated by the Zend Scripting Engine||4|
|128||E_COMPILE_WARNING||Non-fatal compile-time errors. This is like an E_WARNING generated by the Zend Scripting Engine||4|
|256||E_USER_ERROR||Fatal user-generated error. This is like an E_ERROR set by the programmer using the PHP function trigger_error()||4|
|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()||4|
|1024||E_USER_NOTICE||User-generated notice. This is like an E_NOTICE set by the programmer using the PHP function trigger_error()||4|
|2048||E_STRICT||Run-time notices. PHP suggest changes to your code to help interoperability and compatibility of the code||5|
|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())||5|
|8191||E_ALL||All errors and warnings, except of level E_STRICT||5|
It returns the old error_reporting level.
Following is the usage of this function −
<?php error_reporting(0); error_reporting(E_ALL); ?>