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* A simple fix for a shell execution on preg_match('/[0-9]\.[0-9]+\.[0-9]+/', shell_exec('mysql -V'), $version);
* The only edit that was done is that shell_exec('mysql -V') was changed to mysql_get_server_info() because not all
* systems have shell access. XAMPP, WAMP, or any Windows system might not have this type of access. mysql_get_server_info()
* is easier to use because it pulls the MySQL version from phpinfo() and is compatible with all Operating Systems.
* @link
* @author Magento Inc.
function extension_check($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 5.2.0</strong> (or greater)</li>';
if(!ini_get('safe_mode')) {
$pass .='<li>Safe Mode is <strong>off</strong></li>';
preg_match('/[0-9]\.[0-9]+\.[0-9]+/', mysql_get_server_info(), $version);
if(version_compare($version[0], '4.1.20', '<')) {
$fail .= '<li>You need<strong> MySQL 4.1.20</strong> (or greater)</li>';
} else {
$pass .='<li>You have<strong> MySQL 4.1.20</strong> (or greater)</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>';
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