PHP | ReflectionMethod isAbstract() Function
Last Updated :
23 Dec, 2019
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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:
php
php
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);
?>
<?php// Initializing a user-defined abstract classabstract 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:
Program_2:
bool(true)
<?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());
?>
<?php // Initializing some user-defined classesclass 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:
Reference: https://www.php.net/manual/en/reflectionmethod.isabstract.php
bool(false) bool(false) bool(true)
