array( 'timeout' => $timeout, 'header' => "User-Agent: ".$useragent, 'follow_location' => true, ), 'ssl' => array( 'verify_peer' => false, 'allow_self_signed' => true, ), ) ); # only download page lesser than 4MB $data = @file_get_contents($url, false, $context, -1, 4000000); if (isset($http_response_header) and isset($http_response_header[0])) { $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== false) or (strpos($http_response_header[0], '301 Moved Permanently') !== false)); } } # if response is not empty and response is OK if (isset($data) and isset($httpcodeOK) and $httpcodeOK) { # take charset of page and get it preg_match('##Usi', $data, $meta); # if meta tag is found if (!empty($meta[0])) { preg_match('#charset="?(.*)"#si', $meta[0], $encoding); # if charset is found set it otherwise, set it to utf-8 $html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8'; if (empty($encoding[1])) { $encoding[1] = 'utf-8'; } } else { $html_charset = 'utf-8'; $encoding[1] = ''; } # replace charset of url to charset of page $data = str_replace('charset='.$encoding[1], 'charset='.$html_charset, $data); return $data; } else { return false; } } /** * Encode a URL by using a salt * * @param $string * @return string */ public static function encodeString($string) { return sha1($string.SALT); } public static function generateToken() { if (ini_get('open_basedir') === '') { if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { // alternative to /dev/urandom for Windows $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20); } else { $token = substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15); } } else { $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20); } return str_replace('+', '', $token); } }