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Последние активные темы форума |
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interface_exists
(no version information, might be only in CVS) interface_exists -- Checks if the interface has been defined
Descriptionbool interface_exists ( string interface_name [, bool autoload] ) This function returns TRUE if the interface given by
interface_name has been defined,
FALSE otherwise.
Пример 1. interface_exists() example
<?php
// Check the interface exists before trying to use it
if (
interface_exists
(
'MyInterface'
)) {
class
MyClass implements MyInterface
{
// Methods
}
}
?>
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interface_exists() will attempt to call __autoload by
default, if you don't want interface_exists() to
call __autoload, you can set the parameter autoload
to FALSE.
Смотрите также class_exists().
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