(PHP 5 >= 5.0.2, PHP 7)
Checks if the interface has been defined
bool interface_exists ( string $interface_name [, bool $autoload = true ] )
Checks if the given interface has been defined.
Parameters:
interface_name
The interface name
autoload
Whether to call __autoload or not by default.
Returns:
Returns TRUE if the interface given by interface_name has been defined, FALSE otherwise.
Examples:
interface_exists() example
<?php
// Check the interface exists before trying to use it
if (interface_exists('MyInterface')) {
class MyClass implements MyInterface
{
// Methods
}
}
?>
See also:
Please login to continue.