use `use Namespace;` in snippets/plugins/etc

use \GeoIp2\WebService\Client;

$tokens = token_get_all('<?php ' . $results);
// Get rid of the opening '<?php ' we've just added
array_shift($tokens);
$useContent = '';
$newScriptContent = '';
$in_use = false;
// Extract everything between T_USE and ';' (string value)
foreach ($tokens as $t) {
    if ((is_array($t) && $t[0] == T_USE) || $in_use) {
        $in_use = true;
        $useContent .= is_array($t) ? $t[1] : $t;
        if (is_string($t) && $t == ';') {
            $in_use = false;
            $useContent .= "\n";
        }
        continue;
    }
    $newScriptContent .= is_array($t) ? $t[1] : $t;
}
$results = $useContent ."\n" . $newScriptContent;

$results= $objElement->getContent(is_string($objContent) ? array('content' => objContent) : array());
$results = rtrim($results, "\n") . "\nreturn;\n";

$results = $useContent ."\n";

$results = $useContent ."\n".$newScriptContent;

return include MODX_CORE_PATH . 'components/path/to/file.php';