Welcome to PHP!';
echo 'Version Information
';
echo '';
echo '- PHP Version：', PHP_VERSION, '
';
echo '
';
echo 'Installed Extensions
';
printExtensions();
function printExtensions()
{
echo '';
foreach (get_loaded_extensions() as $i => $name) {
echo "- ", $name, '=', phpversion($name), '
';
}
echo '
';
}