11111
is_resource
След.
(PHP 4, PHP 5)is_resource -- Finds whether a variable is a resource
- Finds whether the given variable is a resource.
-
var - The variable being evaluated.
- The variable being evaluated.
- Returns TRUE if var is a resource, FALSE otherwise.
Пример 1. is_resource() example
<?php$db_link = @mysql_connect('localhost', 'mysql_user', 'mysql_pass');if (!is_resource($db_link)) { die('Can\'t connect : ' . mysql_error());}?>
Пред.
Начало
is_real
Уровень выше
is_scalar 22222