(PHP 4 >= 4.0.1, PHP 5, PHP 7)
Generates a user-level error/warning/notice message
bool trigger_error ( string $error_msg [, int $error_type = E_USER_NOTICE ] )
Used to trigger a user error condition, it can be used in conjunction with the built-in error handler, or with a user defined function that has been set as the new error handler (set_error_handler()).
This function is useful when you need to generate a particul