PHP | ReflectionExtension getVersion() Function

The ReflectionExtension::getVersion() function is an inbuilt function in PHP which is used to return the version of the specified extension. Syntax:

string ReflectionExtension::getVersion( void )

Parameters: This function does not accept any parameter. Return Value: This function returns the version of the specified extension. Below programs illustrate the ReflectionExtension::getVersion() function in PHP: Program 1: php

<?php

// Defining an extension
$A = 'DOM';

// Using ReflectionExtension() over the 
// specified extension
$extension = new ReflectionExtension($A);

// Calling the getVersion() function
$B = $extension->getVersion();

// Getting the version of the
// specified extension
var_dump($B);
?>

Program 2: php

<?php

// Using ReflectionExtension() over 
// a extension xml
$extension = new ReflectionExtension('xml');

// Calling the getVersion() function and
// Getting the version of the specified extension
var_dump($extension->getVersion());
?>

Reference: https://www.php.net/manual/en/reflectionextension.getversion.php