<?php
header('Content-Type: text/plain');

echo 'PHP: ' . PHP_VERSION . "\n\n";

$extensions = [
    'ctype', 'curl', 'dom', 'fileinfo',
    'filter', 'hash', 'mbstring', 'openssl',
    'pcre', 'pdo', 'pdo_mysql', 'session',
    'tokenizer', 'xml'
];

foreach ($extensions as $extension) {
    echo $extension . ': ' .
        (extension_loaded($extension) ? 'OK' : 'MISSING')
        . "\n";
}