The ReflectionMethod::isAbstract() function is an inbuilt function in PHP which is used to return TRUE if the specified method is abstract, otherwise FALSE.
Syntax:
bool ReflectionMethod::isAbstract ( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns TRUE if the specified method is abstract, otherwise FALSE.
Below programs illustrate the ReflectionMethod::isAbstract() function in PHP:
Program_1:
<?php   // Initializing a user-defined abstract class abstract class Company {       abstract function GFG(); }   // Using ReflectionMethod() over the class Company $A = new ReflectionMethod('Company', 'GFG');   // Calling the isAbstract() function $B = $A->isAbstract();   // Getting the value TRUE if the specified // method is abstract, otherwise FALSE. var_dump($B); ?> |
Output:
bool(true)
Program_2:
<?php    // Initializing some user-defined classes class Department1 {        public function hr($name) {         return 'HR' . $name;     } } class Department2 {        public function coding($name) {         return 'Coding' . $name;     } } abstract class Department3 {        abstract function marketing(); }   // Using ReflectionMethod() over the above classes $A = new ReflectionMethod('Department1', 'hR'); $B = new ReflectionMethod('Department2', 'coding'); $C = new ReflectionMethod('Department3', 'marketing');    // Calling the isAbstract() function and // getting the value TRUE if the specified // method is abstract, otherwise FALSE. var_dump($A->isAbstract()); var_dump($B->isAbstract()); var_dump($C->isAbstract()); ?> |
Output:
bool(false) bool(false) bool(true)
Reference: https://www.php.net/manual/en/reflectionmethod.isabstract.php
