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trigger_error (PHP 4 >= 4.0.1, PHP 5) trigger_error -- Generates a user-level error/warning/notice message Описаниеbool trigger_error ( string error_msg [, int error_type] )
Used to trigger a user error condition, it can be used by 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 particular response to
an exception at runtime.
Список параметров
- 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.
Возвращаемые значения
This function returns FALSE if wrong error_type is
specified, TRUE otherwise.
Примеры
Пример 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);
}
?>
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