trigger_error
(PHP 4 >= 4.0.1, PHP 5)
trigger_error — Generates a user-level error/warning/notice message
Description
bool trigger_error
( string $error_msg
[, int $error_type
] )
This function is useful when you need to generate a particular response to
an exception at runtime.
Parameters
-
error_msg
-
The designated error message for this error. It's limited to 1024
characters in length. Any additional characters beyond 1024 will be
truncated.
-
error_type
-
The designated error type for this error. It only works with the E_USER
family of constants, and will default to E_USER_NOTICE.
Return Values
This function returns FALSE if wrong error_type
is
specified, TRUE otherwise.
Examples
Example #1 trigger_error() example
See set_error_handler() for a more extensive example.
<?php
if (assert($divisor == 0)) {
trigger_error("Cannot divide by zero", E_USER_ERROR);
}
?>