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<?php
/**
* poche, a read it later open source system
*
* @category poche
* @author Nicolas Lœuillet <support@inthepoche.com>
* @copyright 2013
* @license http://www.wtfpl.net/ see COPYING file
*/
class pocheTools
{
public static function initPhp()
{
define('START_TIME', microtime(true));
if (phpversion() < 5) {
die(_('Oops, it seems you don\'t have PHP 5.'));
}
error_reporting(E_ALL);
function stripslashesDeep($value) {
return is_array($value)
? array_map('stripslashesDeep', $value)
: stripslashes($value);
}
if (get_magic_quotes_gpc()) {
$_POST = array_map('stripslashesDeep', $_POST);
$_GET = array_map('stripslashesDeep', $_GET);
$_COOKIE = array_map('stripslashesDeep', $_COOKIE);
}
ob_start();
register_shutdown_function('ob_end_flush');
}
public static function isUrl($url)
{
// http://neo22s.com/check-if-url-exists-and-is-online-php/
$pattern='|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i';
return preg_match($pattern, $url);
}
public static function getUrl()
{
$https = (!empty($_SERVER['HTTPS'])
&& (strtolower($_SERVER['HTTPS']) == 'on'))
|| (isset($_SERVER["SERVER_PORT"])
&& $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection.
$serverport = (!isset($_SERVER["SERVER_PORT"])
|| $_SERVER["SERVER_PORT"] == '80'
|| ($https && $_SERVER["SERVER_PORT"] == '443')
? '' : ':' . $_SERVER["SERVER_PORT"]);
$scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
if (!isset($_SERVER["SERVER_NAME"])) {
return $scriptname;
}
return 'http' . ($https ? 's' : '') . '://'
. $_SERVER["SERVER_NAME"] . $serverport . $scriptname;
}
public static function renderJson($data)
{
header('Cache-Control: no-cache, must-revalidate');
header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
header('Content-type: application/json; charset=UTF-8');
echo json_encode($data);
exit();
}
public static function redirect($rurl = '')
{
if ($rurl === '') {
$rurl = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
if (isset($_POST['returnurl'])) {
$rurl = $_POST['returnurl'];
}
}
// prevent loop
if (empty($rurl) || parse_url($rurl, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
$rurl = pocheTool::getUrl();
}
if (substr($rurl, 0, 1) !== '?') {
$ref = pocheTool::getUrl();
if (substr($rurl, 0, strlen($ref)) !== $ref) {
$rurl = $ref;
}
}
header('Location: '.$rurl);
exit();
}
}
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