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PHP | ReflectionClass getExtension() Function

  • Last Updated : 30 Nov, 2019

The ReflectionClass::getExtension() function is an inbuilt function in PHP which is used to return the ReflectionExtension object which represents the extension for the defined class, or NULL for the user-defined classes.

Syntax:

ReflectionExtension ReflectionClass::getExtension( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns a ReflectionExtension object which represents the extension for the defined class, or NULL for the user-defined classes.

Below programs illustrate the ReflectionClass::getExtension() function in PHP:



Program 1:




<?php
   
// Defining a user-defined class named as Departments
class Departments {
    static $Dept1 = 'CSE';
    private static $Dept2 = 'ECE';
    public static $Dept3 = 'EE';
}
   
// Using ReflectionClass over the class Departments
$ReflectionClass = new ReflectionClass('Departments');
   
// Calling getExtension() functions
$A = $ReflectionClass->getExtension();
   
// Getting the ReflectionExtension object
var_dump($A);
?>

Output:

NULL

Program 2:




<?php
   
// Using ReflectionClass
$ReflectionClass = new ReflectionClass('ReflectionClass');
   
// Calling getExtension() functions
$A = $ReflectionClass->getExtension();
   
// Getting the ReflectionExtension object
var_dump($A);
?>

Output:

object(ReflectionExtension)#2 (1) {
  ["name"]=>
  string(10) "Reflection"
}

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




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