The ReflectionClass::implementsInterface() function is an inbuilt function in PHP which is used to check the specified interface is present or not.
Syntax:
bool ReflectionClass::implementsInterface( string $interface )
Parameters: This function accepts a single parameter $interface which holds the specified interface which are being checked.
Return Value: This function returns true on success or false on failure.
Below programs illustrate the ReflectionClass::implementsInterface() function in PHP:
Program 1:
<?php // Defining some interfaces interface Colleges { } interface Departments { } interface Students { } interface Companies { } // Initialising a class of Interfaces class Interfaces implements Colleges, Departments, Students, Companies { } // Using ReflectionClass over the class Interfaces $A = new ReflectionClass("Interfaces"); // Calling the implementsInterface() function // over the Interface 'Colleges' $B = $A->implementsInterface('Colleges'); // Getting the value true or false var_dump($B); ?> |
Output:
bool(true)
Program 2:
<?php // Defining a SuperClass interface Company interface Company { public function GFG(); } // Defining a different interface Company1 interface Company1 { public function neveropen(); } // Defining a subclass Departments class Departments implements Company { public function GFG() {} } // Using ReflectionClass() over the // subclass Departments $reflect = new ReflectionClass('Departments'); // Calling implementsInterface() function $A = $reflect->implementsInterface('Company1'); // Getting the value either true or false var_dump($A); ?> |
Output:
bool(false)
Reference: https://www.php.net/manual/en/reflectionclass.implementsinterface.php
