The error_reporting() function specifies which errors are reported.
This function sets which errors are reported for the duration of the current script.
This funtion returns the old error_reporting level.
|report_level||Optional. Specifies the error report level for the current script. Value number and constant name are accepted, however, constant names are recommended for compatibility for future PHP versions|
|1||E_ERROR||Fatal run-time errors. Errors that can not 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|
|32||E_CORE_WARNING||Non-fatal errors at PHP startup. This is like an E_WARNING in the PHP core|
|64||E_COMPILE_ERROR||Fatal compile-time errors. This is like an E_ERROR generated by the Zend Scripting Engine|
|128||E_COMPILE_WARNING||Non-fatal compile-time errors. This is like an E_WARNING generated by the Zend Scripting Engine|
|256||E_USER_ERROR||Fatal user-generated error. This is like an E_ERROR set by the programmer using the PHP function trigger_error()|
|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()|
|1024||E_USER_NOTICE||User-generated notice. This is like an E_NOTICE set by the programmer using the PHP function trigger_error()|
|2048||E_STRICT||Run-time notices. PHP suggest changes to your code to help interoperability and compatibility of the code|
|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())|
|8191||E_ALL||All errors and warnings, except level E_STRICT (E_STRICT will be part of E_ALL as of PHP 6.0)|
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