PHP | ReflectionExtension getDependencies() Function

The ReflectionExtension::getDependencies() function is an inbuilt function in PHP which is used to return an array with dependencies as keys and either Required, Optional or Conflicts as the values.

Syntax:

array ReflectionExtension::getDependencies( void )

Parameters: This function does not accept any parameter.

Return Value: This function returns an associative array containing the dependencies as keys and either Required, Optional or Conflicts as the values.

Below programs illustrate the ReflectionExtension::getDependencies() function in PHP:

Program 1:

<?php

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

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

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

// Getting an array with dependencies as keys
// and either Required, Optional or
// Conflicts as the values.
var_dump($B);
?>

Output:

array(2) {
  ["libxml"]=>
  string(8) "Required"
  ["domxml"]=>
  string(9) "Conflicts"
}

Program 2:

<?php

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

// Calling the getDependencies() function and
// Getting an array with dependencies as keys
// and either Required, Optional or
// Conflicts as the values.
var_dump($extension->getDependencies());
?>

Output:

array(1) {
  ["libxml"]=>
  string(8) "Required"
}

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