TYPO3 Core

/**

* Parse a URL and return its components

*

* @param string $url The URL to parse. Invalid characters are replaced by _.

* @param integer $multidim Specify one of PHP_URL_SCHEME, PHP_URL_HOST, PHP_URL_PORT, PHP_URL_USER, PHP_URL_PASS, PHP_URL_PATH, PHP_URL_QUERY or PHP_URL_FRAGMENT

* to retrieve just a specific URL component as a string (except when PHP_URL_PORT is given, in which case the return value will be an integer).

* @return mixed On seriously malformed URLs, parse_url() may return FALSE. Otherwise a array supplied.

* @see http://php.net/manual/en/function.parse-url.php

*/

static public function parseUrl($url, $component = -1) {

return parse_url($url, $component);

}

/**

* Build a URL

*

* @param array $url (part(s) of) an URL in form of a string or associative array like parse_url() returns

* @return mixed Returns the new URL as string on success or FALSE on failure.

* @see http://php.net/manual/en/function.http-build-url.php

*/

static public function buildUrl($url) {

$output = false;

if(is_array($url)) {

$urlArray = array();

if(!empty($url['scheme'])) {

$urlArray[] = $url['scheme'];

$urlArray[] = '://';

} else {

$urlArray[] = 'http://';

}

if(!empty($url['user'])) {

$urlArray[] = $url['user'];

if(!empty($url['pass'])) {

$urlArray[] = ':';

$urlArray[] = $url['pass'];

}

$urlArray[] = '@';

}

if(!empty($url['host'])) {

$urlArray[] = $url['host'];

} else {

$urlArray[] = 'localhost';

}

if(!empty($url['port'])) {

$urlArray[] = ':';

$urlArray[] = $url['port'];

}

if(!empty($url['path'])) {

$urlArray[] = '/';

$urlArray[] = trim($url['path'], ' /');

}

if(!empty($url['query'])) {

$urlArray[] = '?';

if(is_array($url['query'])) {

$urlArray[] = self::buildUrlQuery($url['query']);

} else {

$urlArray[] = trim($url['query'], ' ?&');

}

}

if(!empty($url['fragment'])) {

$urlArray[] = '#';

$urlArray[] = trim($url['fragment'], ' #');

}

$output = implode('', $urlArray);

}

return $output;

}

/**

* Generate URL-encoded query string

*

* @param mixed $query_data May be an array or object containing properties.

* @param string $numeric_prefix If numeric indices are used in the base array and this parameter is provided, it will be prepended to the numeric index for elements in the base array only.

* @param string $arg_separator arg_separator.output is used to separate arguments, unless this parameter is specified, and is then used.

* @param integer $enc_type By default, PHP_QUERY_RFC1738.

* @return string Returns a URL-encoded string.

* @see http://php.net/manual/en/function.http-build-query.php

*/

static public function buildUrlQuery($query_data, $numeric_prefix = '', $arg_separator = '&', $enc_type = PHP_QUERY_RFC1738) {

return http_build_query($query_data, $numeric_prefix, $arg_separator, $enc_type);

}

/**

* Merge one or more url query arrays

*

* @param ... Variable list of arrays or strings to merge.

* @return array Returns the resulting queries array.

* @see explodeUrl2Array(), http://php.net/manual/en/function.array-merge.php

*/

static public function mergeUrlQuery() {

$output = array();

foreach(func_get_args() as $query) {

if(!is_array($query))

$query = self::explodeUrl2Array($query, TRUE);

if(!empty($query))

$output = array_merge($output, $query);

}

return $output;

}

$pU = \TYPO3\CMS\Core\Utility\GeneralUtility::parseUrl($link_param);

if(!empty($conf['additionalParams'])) {

$pU['query'] = \TYPO3\CMS\Core\Utility\GeneralUtility::mergeUrlQuery($pU['query'], $conf['additionalParams']);

}

$link = \TYPO3\CMS\Core\Utility\GeneralUtility::buildUrl($pU);

$juHash = GeneralUtility::hmac($link, 'jumpurl');

$this->lastTypoLinkUrl = $url . '&jumpurl=' . rawurlencode($link) . '&juHash='. $juHash . $GLOBALS['TSFE']->getMethodUrlIdToken;

$this->lastTypoLinkUrl = $link;