PHP trigger_error() Function
 Complete PHP Error Reference
Definition and Usage
The trigger_error() function creates a user-defined error message.
The trigger_error() function is used to trigger an error message at a
user-specified condition. It can be used with
the built-in error handler, or with a user defined function set by the set_error_handler()
function.
This function is useful when you need a user-defined message to a specified
condition when running a script runtime.
This function returns FALSE if a non valid error type is specified, and TRUE
otherwise.
Syntax
trigger_error(error_message,error_types)
|
| Parameter |
Description |
| error_message |
Required. Specifies the error message. Limited to 1024
characters in length |
| error_types |
Optional. Specifies the error type for this error message.
Possible error types:
- E_USER_ERROR - Fatal user-generated run-time error. Errors that can
not be recovered from. Execution of the script is halted
- E_USER_WARNING - Non-fatal user-generated run-time warning.
Execution of the script is not halted
- E_USER_NOTICE - Default. User-generated run-time notice. The script found
something that might be an error, but could also happen when running a
script normally
|
Example
<?php
$test=2;
if ($test>1)
{
trigger_error("A custom error has been triggered");
}
?>
|
The output of the code above should be something like this:
Notice: A custom error has been triggered
in C:\webfolder\test.php on line 6
|
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