PHP Errors

When the PHP engine found any issues in code, It will generate an error message. Sixteen types of error levels that characterize by integer value and Constant.

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Error types in PHP ?

There are sixteen types of errors exist in PHP

Errors & Log Description

Constant (Level)	Value	Description
E_ERROR	1	The Fatal run-time error stopped the execution of the script It can not recovered from
E_WARNING	2	The Run-time error not stopped the execution of the script.
E_PARSE	4	The Compile-time parse errors. This errors should only be generated by the parser.
E_NOTICE	8	Run-time notice suggest the script encountered something.
E_CORE_ERROR	16	A Fatal errors that happned PHP's engine startup.It is like E_ERROR, except it is generated by the core of PHP.
E_CORE_WARNING	32	This is no-fatal errors that happned PHP's engine startup.It is like E_WARNING, except it is generated by the core of PHP.
E_COMPILE_ERROR	64	This is compile-time fatal errors.It is like E_ERROR, except it is generated by the Zend Scripting Engine.
E_COMPILE_WARNING	128	This is non-fatal errors, it is Compile-time warnings. This is like an E_WARNING, except it is generated by the Zend Scripting Engine.
E_USER_ERROR	256	A fatal User-generated error message. This is like an E_ERROR, except it is generated in PHP code by using the PHP function trigger_error().
E_USER_WARNING	512	User-generated warning message, It is non-fatal. This is like an E_WARNING, except it is generated in PHP code by using the PHP function trigger_error().
E_USER_NOTICE	1024	The User-generated notice message. This is like an E_NOTICE, except it is generated in PHP code by using the PHP function trigger_error().
E_STRICT	2048	E_STRICT will ensure the best interoperability and forward compatibility of your code.
E_RECOVERABLE_ERROR	4096	A Catchable fatal error.If the error is not caught by a user defined handle (check also set_error_handler()), the application sttoped as it was an E_ERROR.
E_DEPRECATED	8192	It is run-time notices that indicate the script will not work in future versions.
E_USER_DEPRECATED	16384	This is user-generated warning message. It is like an E_DEPRECATED, except it is generated in PHP code by using the PHP function trigger_error().
E_ALL	32767	All errors and warnings, as supported, except of level E_STRICT prior to PHP 5.4.0.

How do I stop PHP from showing errors?

error_reporting(0);

//OR

error_reporting(E_ALL);
ini_set( 'display_errors',0);

How to display errors in PHP file?

As per example all errors and warnings will display

error_reporting(E_ALL);
ini_set( 'display_errors',1);

How to display fatal errors only in PHP?

error_reporting(E_ERROR);
ini_set( 'display_errors',1);

How to display fatal errors and warnings only in PHP?

error_reporting(E_ERROR & E_WARNING);
ini_set( 'display_errors',1);

How to display all errors except notice using PHP?

error_reporting(E_ALL & ~E_NOTICE);
ini_set( 'display_errors',1);

How to display all errors except warning and notice using PHP?

error_reporting(E_ALL & ~E_NOTICE & ~E_WARNING);
ini_set( 'display_errors',1);