set_context(); return @file_get_contents($url); } public function retrieveHeader($url) { $this->set_context(); $headers = @get_headers($url, 1); return array_change_key_case($headers); } public function saveCache($file, $data) { file_put_contents($file, $data); } public function readCache($file) { return file_get_contents($file); } private function set_context() { stream_context_set_default( array( 'http' => array( 'method' => 'GET', 'timeout' => 10, 'header' => "User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:20.0; Favicon; +https://github.com/ArthurHoaro/favicon) Gecko/20100101 Firefox/32.0\r\n", ) ) ); } }