PHP arsort() Function
Example
If $usernum is greater than 10, trigger an error:
<?php if ($usernum>10) { trigger_error("Number cannot be larger than 10"); } ?>
The output of the above code is similar to this:
Notice: Number cannot be larger than 10 in C:\webfolder\test.php on line 6
Definition and Usage
The trigger_error() function creates user-level error messages.
The trigger_error() function can be combined with the built-in error handler associated, or a user-defined function can be used as a new error handler (set_error_handler()).
Syntax
trigger_error(errormsg,errortype);
Parameter | Description |
---|---|
errormsg | Required. Specify the error message. Maximum length 1024 bytes. |
errortype |
Optional. Specify the error type. Possible values:
|
Technical Details
Return value: | If an error type is specified errortypeReturns FALSE. Otherwise returns TRUE. |
---|---|
PHP Version: | 4.0.1+ |