Source for file url.php
Documentation is available at url.php
* @package Joomla.Platform
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
* Form Rule class for the Joomla Platform.
* @package Joomla.Platform
* Method to test an external url for a valid parts.
* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
* @param JRegistry $input An optional JRegistry object with the entire data set to validate against the entire form.
* @param JForm $form The form object for which the field is being tested.
* @return boolean True if the value is valid, false otherwise.
* @link http://www.w3.org/Addressing/URL/url-spec.txt
public function test(SimpleXMLElement $element, $value, $group =
null, JRegistry $input =
null, JForm $form =
null)
// If the field is empty and not required, the field is valid.
$required =
((string)
$element['required'] ==
'true' || (string)
$element['required'] ==
'required');
if (!$required &&
empty($value))
// See http://www.w3.org/Addressing/URL/url-spec.txt
// Use the full list or optionally specify a list of permitted schemes.
if ($element['schemes'] ==
'')
$scheme =
array('http', 'https', 'ftp', 'ftps', 'gopher', 'mailto', 'news', 'prospero', 'telnet', 'rlogin', 'tn3270', 'wais', 'url',
'mid', 'cid', 'nntp', 'tel', 'urn', 'ldap', 'file', 'fax', 'modem', 'git');
$scheme =
explode(',', $element['schemes']);
* This rule is only for full URLs with schemes because parse_url does not parse
* accurately without a scheme.
* @see http://php.net/manual/en/function.parse-url.php
$urlScheme = (string)
$urlParts['scheme'];
if (in_array($urlScheme, $scheme) ==
false)
// For some schemes here must be two slashes.
if (($urlScheme ==
'http' ||
$urlScheme ==
'https' ||
$urlScheme ==
'ftp' ||
$urlScheme ==
'sftp' ||
$urlScheme ==
'gopher'
||
$urlScheme ==
'wais' ||
$urlScheme ==
'gopher' ||
$urlScheme ==
'prospero' ||
$urlScheme ==
'telnet' ||
$urlScheme ==
'git')
// The best we can do for the rest is make sure that the strings are valid UTF-8
// and the port is an integer.
Documentation generated on Tue, 19 Nov 2013 15:16:17 +0100 by phpDocumentor 1.4.3