The ReflectionClass::isInterface() function is an inbuilt function in PHP which is used to check the specified class is an interface or not.
Syntax:
bool ReflectionClass::isInterface( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns TRUE if the specified class is an interface, otherwise FALSE.
Below programs illustrate the ReflectionClass::isInterface() function in PHP:
Program 1:
<?php // Initializing a user-defined interface Departments interface Departments { public function CSE(); } // Using ReflectionClass() over the // user-defined interface Departments $class = new ReflectionClass( 'Departments' ); // Calling the isInterface() function $instance = $class ->isInterface(); // Getting the value true or false var_dump( $instance ); ?> |
Output:
bool(true)
Program 2:
<?php // Initializing a user-defined class TestInterface Class TestInterface { } // Using ReflectionClass() over the // user-defined class TestInterface $class = new ReflectionClass( 'TestInterface' ); // Calling the isInterface() function and // getting the value true or false var_dump( $class ->isInterface()); ?> |
bool(false)
Reference: https://www.php.net/manual/en/reflectionclass.isinterface.php