PHP | ReflectionClass isInterface() Function

PHP | ReflectionClass getInterfaceNames() Function

Last Updated : 30 Nov, 2019

The ReflectionClass::getInterfaceNames() function is an inbuilt function in PHP which is used to return an array of interface names as values. Syntax:

array ReflectionClass::getInterfaceNames( void )

Parameters: This function does not accept any parameters. Return Value: This function returns an array of interface names as values. Below programs illustrate the ReflectionClass::getInterfaceNames() function in PHP: Program 1:

php

<?php

// Defining some interfaces
interface Colleges { }
interface Departments { }
interface Students { }
interface Companies { }

// Initialising a class of Interfaces
class Interfaces implements Colleges, Departments, Students, Companies { }

// Using ReflectionClass over the class Interfaces
$A = new ReflectionClass("Interfaces");

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

// Getting the name of the specified Interfaces
print_r($B);
?>

Output:

Array
(
    [0] => Colleges
    [1] => Departments
    [2] => Students
    [3] => Companies
)

Program 2:

php

<?php
 
// Using ReflectionClass 
$ReflectionClass = new ReflectionClass('ReflectionClass');
 
// Calling getInterfaceNames() functions
$A = $ReflectionClass->getInterfaceNames();
 
// Getting the name of the interfaces
var_dump($A);
?>

Output:

array(1) {
  [0]=>
  string(9) "Reflector"
}

Reference: https://www.php.net/manual/en/reflectionclass.getinterfacenames.php

PHP | ReflectionClass isInterface() Function

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