preg_last_error

 int preg_last_error ( void ) 

説明

Returns the error code of the last PCRE regex execution

戻り値

Returns one of the following constants (explained on their own page): PREG_NO_ERROR PREG_INTERNAL_ERROR PREG_BACKTRACK_LIMIT_ERROR (see also pcre.backtrack_limit) PREG_RECURSION_LIMIT_ERROR (see also pcre.recursion_limit) PREG_BAD_UTF8_ERROR PREG_BAD_UTF8_OFFSET_ERROR (since PHP 5.3.0)