PHP error level - error_reporting

PHP error level - error_reporting

The error_reporting directive in php.ini defines the levels of errors that PHP will report, the levels of errors are:

 

Errors and Logging
ValueConstantDescriptionNote
1E_ERROR (integer)Fatal run-time errors. These indicate errors that can not be recovered from, such as a memory allocation problem. Execution of the script is halted.
2E_WARNING (integer)Run-time warnings (non-fatal errors). Execution of the script is not halted.
4E_PARSE (integer)Compile-time parse errors. Parse errors should only be generated by the parser.
8E_NOTICE (integer)Run-time notices. Indicate that the script encountered something that could indicate an error, but could also happen in the normal course of running a script.
16E_CORE_ERROR (integer)Fatal errors that occur during PHP's initial startup. This is like an E_ERROR, except it is generated by the core of PHP.since PHP 4
32E_CORE_WARNING(integer)Warnings (non-fatal errors) that occur during PHP's initial startup. This is like an E_WARNING, except it is generated by the core of PHP.since PHP 4
64E_COMPILE_ERROR(integer)Fatal compile-time errors. This is like an E_ERROR, except it is generated by the Zend Scripting Engine.since PHP 4
128E_COMPILE_WARNING(integer)Compile-time warnings (non-fatal errors). This is like an E_WARNING, except it is generated by the Zend Scripting Engine.since PHP 4
256E_USER_ERROR (integer)User-generated error message. This is like an E_ERROR, except it is generated in PHP code by using the PHP function trigger_error().since PHP 4
512E_USER_WARNING(integer)User-generated warning message. This is like an E_WARNING, except it is generated in PHP code by using the PHP functiontrigger_error().since PHP 4
1024E_USER_NOTICE (integer)User-generated notice message. This is like an E_NOTICE, except it is generated in PHP code by using the PHP function trigger_error().since PHP 4
2048E_STRICT (integer)Run-time notices. Enable to have PHP suggest changes to your code which will ensure the best interoperability and forward compatibility of your code.since PHP 5
4096E_RECOVERABLE_ERROR(integer)Catchable fatal error. It indicates that a probably dangerous error occured, but did not leave the Engine in an unstable state. If the error is not caught by a user defined handle (see also set_error_handler()), the application aborts as it was an E_ERROR.since PHP 5.2.0
8191E_ALL (integer)All errors and warnings, as supported, except of level E_STRICT in PHP < 6.6143 in PHP 5.2.x and 2047 previously

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