Magento System Requirements Check

magento-check.php

<?php
// Updated the "HOW DO I KNOW IF MY SERVER MEETS THESE SYSTEM REQUIREMENTS"
// from http://www.magentocommerce.com/knowledge-base/entry/how-do-i-know-if-my-server-is-compatible-with-magento
// specified at http://magento.com/resources/system-requirements
//
// minor adjustments made from original script
// http://www.magentocommerce.com/_media/magento-check.zip
extension_check(array( 
    'curl',
    'dom', 
    'gd', 
    'hash',
    'iconv',
    'mcrypt',
    'pcre', 
    'pdo', 
    'pdo_mysql', 
    'simplexml',
    'soap'
));

function extension_check($extensions) {
    $fail = '';
    $pass = '';
    
    if(version_compare(phpversion(), '5.2.0', '<')) {
        $fail .= '<li>You need<strong> PHP 5.2.0</strong> (or greater)</li>';
    }
    else {
        $pass .='<li>You have<strong> PHP '.phpversion().'</strong> (min. 5.2.0)</li>';
    }

    if(!ini_get('safe_mode')) {
        $pass .='<li>Safe Mode is <strong>off</strong></li>';
        $version = mysql_get_server_info();
        if(version_compare($version, '4.1.20', '<')) {
            $fail .= '<li>You need<strong> MySQL 4.1.20</strong> (or greater)</li>';
        }
        else {
            $pass .='<li>You have<strong> MySQL '.$version.'</strong> (min. 4.1.20)</li>';
        }
    }
    else { $fail .= '<li>Safe Mode is <strong>on</strong></li>';  }

    foreach($extensions as $extension) {
        if(!extension_loaded($extension)) {
            $fail .= '<li> You are missing the <strong>'.$extension.'</strong> extension</li>';
        }
        else{   $pass .= '<li>You have the <strong>'.$extension.'</strong> extension</li>';
        }
    }
    
    if($fail) {
        echo '<p><strong>Your server does not meet the following requirements in order to install Magento.</strong>';
        echo '<br>The following requirements failed, please contact your hosting provider in order to receive assistance with meeting the system requirements for Magento:';
        echo '<ul>'.$fail.'</ul></p>';
        echo 'The following requirements were successfully met:';
        echo '<ul>'.$pass.'</ul>';
    } else {
        echo '<p><strong>Congratulations!</strong> Your server meets the requirements for Magento.</p>';
        echo '<ul>'.$pass.'</ul>';

    }
}
?>