Display the PHP version and loaded extensions

modules.php

<?php
echo 'PHP Version: ' . phpversion() . '<br />' . PHP_EOL;
echo '<br />' . PHP_EOL;

$extensions = get_loaded_extensions();

// Case insensitive sort by value
array_multisort(array_map('strtolower', $extensions), $extensions);

foreach ($extensions as $i => $ext)
{
   echo $ext .' => '. phpversion($ext). '<br/>' . PHP_EOL;
}