How to define error reporting level in php configuration file

How to define the error reporting level in the php configuration file: 1. Open the PHP installation directory, find and open the "php.ini" configuration file; 2. In the configuration file, find the "error_reporting" item, and change the Just set the value to the required error type.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php configuration file definition Methods for reporting error levels

1. Open the PHP installation directory, find and open the php.ini configuration file

2. In the configuration file, find the "error_reporting" item, Just set the value of this item to the required error type.

Error types in PHP are shown in the following table:

Value	Constant	Description
1	E_ERROR	Fatal runtime errors are generally unrecoverable situations, such as problems caused by memory allocation. The consequence is that the script terminates and no longer Keep running.
2	E_WARNING	Run-time warning (non-fatal error), only prompt information is given, but the script will not terminate the operation.
4	E_PARSE	Compile-time syntax parsing error, generated only by the parser.
8	E_NOTICE	Runtime notification, indicating that the script encounters a situation that may appear as an error, but in the script it can run normally There may also be similar notifications.
16	E_CORE_ERROR	A fatal error that occurs during PHP initialization startup, similar to E_ERROR, but generated by the PHP engine core.
32	E_CORE_WARNING	Warning (non-fatal error) that occurs during PHP initialization startup, similar to E_WARNING, but generated by the PHP engine core of.
64	E_COMPILE_ERROR	Fatal compile-time error, similar to E_ERROR, but generated by the Zend scripting engine.
128	E_COMPILE_WARNING	Compile-time warning (non-fatal error), similar to E_WARNING, but generated by the Zend scripting engine.
256	E_USER_ERROR	The error message generated by the user is similar to E_ERROR, but it is generated by the user using the PHP function trigger_error() in the code. produced.
512	E_USER_WARNING	The warning message generated by the user is similar to E_WARNING, but it is generated by the user himself using the PHP function trigger_error() in the code produced.
1024	E_USER_NOTICE	The notification information generated by the user is similar to E_NOTICE, but it is generated by the user using the PHP function trigger_error() in the code. produced.
1024	E_STRICT	Enable PHP's suggestions for code modifications to ensure the best interoperability and forward compatibility of the code.
2048	E_RECOVERABLE_ERROR	A fatal error that can be caught, indicating that a potentially very dangerous error has occurred, but has not caused the PHP engine to be in Unstable state. If the error is not caught by a user-defined handler, it will become an E_ERROR, causing the script to terminate.
8192	E_DEPRECATED	Runtime notification, when enabled, will give warnings about code that may not work properly in future versions.
16384	E_USER_DEPRECATED	The warning message generated by the user is similar to E_DEPRECATED, but it is generated by the user himself using the PHP function trigger_error() in the code produced. All error and warning messages except
30719	E_ALL	E_STRICT.

You can also use the error_reporting() function in the PHP file to define the error level.

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