Learning PHP
Advanced PHP
PHP Function Reference
PHP Useful Resources
Selected Reading
© 2013 TutorialsPoint.COM
|
PHP Function interface_exists()
Advertisements
Syntax
|
interface_exists ( $interface_name [, $autoload] );
|
Definition and Usage
This function checks if the given interface has been defined.
Paramters
| Parameter | Description |
|---|
| interface_name | Required. The interface name |
| autoload | Optional. Wether to call __autoload or not by default. |
Return Value
Returns TRUE if the interface given by interface_name has been defined, FALSE otherwise.
Example
Following is the usage of this function:
<?php
if (interface_exists('MyInterface')) {
class MyClass implements MyInterface
{
// Methods
}
}
?>
|
Advertisements
|
|
|