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:

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<?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);
?>

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Output:

string(8) "20031129"

Program 2:

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<?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());
?>

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Output:

string(23) "7.0.33-0ubuntu0.16.04.7"

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



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