PHP | ReflectionMethod isPrivate() Function

The ReflectionMethod::isPrivate() function is an inbuilt function in PHP which is used to return TRUE if the specified method is private, otherwise returns FALSE.

Syntax:

bool ReflectionMethod::isPrivate( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns TRUE if the specified method is private, otherwise returns FALSE.

Below programs illustrate the ReflectionMethod::isPrivate() function in PHP:

Program 1:

<?php

// Initializing a user-defined class
class Company {

    private function GFG() {}
}

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

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

// Getting the value TRUE if the specified
// method is private, 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 {

    private 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 isPrivate() function and
// getting the value TRUE if the specified
// method is private, otherwise FALSE.
var_dump($A->isPrivate());
var_dump($B->isPrivate());
var_dump($C->isPrivate());
?>

Output:

bool(false)
bool(true)
bool(false)

Reference: https://www.php.net/manual/en/reflectionmethod.isprivate.php