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PHP | ReflectionMethod isFinal() Function

Last Updated : 30 Dec, 2019
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The ReflectionMethod::isFinal() function is an inbuilt function in PHP which is used to return TRUE if the specified method is final, otherwise returns FALSE. Syntax: 
bool ReflectionMethod::isFinal( void )
Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if the specified method is final, otherwise returns FALSE. Below programs illustrate the ReflectionMethod::isFinal() function in PHP: Program 1: php 
<?php

// Initializing a user-defined class
class Company {

    final function GFG() {}
}

// Using ReflectionMethod() over the class Company
$A = new ReflectionMethod('Company', 'GFG');

// Calling the isFinal() function
$B = $A->isFinal();

// Getting the value TRUE if the specified
// method is final, otherwise FALSE.
var_dump($B);
?>
Output: 
bool(true)
Program 2: php 
<?php
 
// Initializing some user-defined classes
class Department1 {
 
    public function hr($name) {
        return 'HR' . $name;
    }
}
class Department2 {
 
    final function Coding() {}
}

class Department3 {
 
     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 isFinal() function and 
// getting the value TRUE if the specified
// method is final, otherwise FALSE.
var_dump($A->isFinal());
var_dump($B->isFinal());
var_dump($C->isFinal());
?>
Output: 
bool(false)
bool(true)
bool(false)
Reference: https://www.php.net/manual/en/reflectionmethod.isfinal.php

K

Kanchan_Ray
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