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<?php /** *------------------------------------------------------------------------------ * iC Library - Library by Jooml!C, for Joomla! *------------------------------------------------------------------------------ * @package iC Library * @subpackage url * @copyright Copyright (c)2013-2019 Cyril Rezé, Jooml!C - All rights reserved * * @license GNU General Public License version 3 or later; see LICENSE.txt * @author Cyril Rezé (Lyr!C) * @link http://www.joomlic.com * * @version 1.4.3 2017-01-05 * @since 1.0.0 *------------------------------------------------------------------------------ */ // No direct access to this file defined('_JEXEC') or die(); /** * class iCUrl */ class iCUrl { /** * Function to check if an url exists * * @access public static * @param url to be tested * @return true or false * * @since 1.0.0 */ static public function url_exists($url) { if (@file_get_contents($url)) { return true; } else { return false; } // Deprecated // $a_url = parse_url($url); // if (!isset($a_url['port'])) $a_url['port'] = 80; // $errno = 0; // $errstr = ''; // $timeout = 30; // if(isset($a_url['host']) && $a_url['host']!=gethostbyname($a_url['host'])) // { // $fid = fsockopen($a_url['host'], $a_url['port'], $errno, $errstr, $timeout); // if (!$fid) return false; // $page = isset($a_url['path']) ?$a_url['path']:''; // $page .= isset($a_url['query'])?'?'.$a_url['query']:''; // fputs($fid, 'HEAD '.$page.' HTTP/1.0'."\r\n".'Host: '.$a_url['host']."\r\n\r\n"); // $head = fread($fid, 4096); // fclose($fid); // return preg_match('#^HTTP/.*\s+[200|302]+\s#i', $head); // } // else // { // return false; // } } /** * Function to parse an url and apply control of component set * * @access public static * @param $url url to be parsed * $component component to be checked (default 'scheme') * * @return validate url * * @since 1.0.0 */ static public function urlParsed($url, $component = 'scheme') { $parsed = parse_url($url); // Add http:// if scheme missing if ($component == 'scheme' && empty($parsed['scheme'])) { $link = 'http://' . ltrim($url, '/'); } else { $link = ltrim($url, '/'); } return $link; } }
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