public static function minify($content, $compilation_level = 'WHITESPACE_ONLY')
{
if (!self::$instance) {
self::$instance = new GoogleClousureCompiler();
}
$fields = array('js_code' => $content, 'compilation_level' => $compilation_level, 'output_format' => 'text', 'output_info' => 'compiled_code');
$fields_string = '';
$fields['js_code'] = urlencode($fields['js_code']);
if (!function_exists('curl_version')) {
throw new GoogleClousureCompiler_Exception("Google clousure compiler can't work wothout Curl or disabled allow_url_fopen.");
} else {
foreach ($fields as $key => $value) {
$fields_string .= $key . '=' . $value . '&';
}
rtrim($fields_string, '&');
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, self::URL);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-type: application/x-www-form-urlencoded'));
curl_setopt($ch, CURLOPT_POST, count($fields));
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
$content = curl_exec($ch);
curl_close($ch);
if (empty($content)) {
die('\\/* Curl is does not work or you try compress empty file */');
}
}
return $content;
//}
}
public function minimize_js($content)
{
$minName = $this->settings['js']['minimize_library'];
if ($minName == 'GoogleClousureCompiler') {
return GoogleClousureCompiler::minify($content, $this->settings['js']['minimize_library_settings']['compilation_level']) . PHP_EOL . PHP_EOL;
}
return call_user_func(array($minName, 'minify'), $content);
}
