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<?php
declare(strict_types=1);
/**
* The Minz_Url class handles URLs across the MINZ framework
*/
class Minz_Url {
/**
* Display a formatted URL
* @param string|array{c?:string,a?:string,params?:array<string,mixed>} $url The URL to format, defined as an array:
* $url['c'] = controller
* $url['a'] = action
* $url['params'] = array of additional parameters
* or as a string
* @param string $encoding how to encode & (& ou & pour html)
* @param bool|string $absolute
* @return string Formatted URL
* @throws Minz_ConfigurationException
*/
public static function display($url = [], string $encoding = 'html', $absolute = false): string {
$isArray = is_array($url);
if ($isArray) {
$url = self::checkControllerUrl($url);
}
$url_string = '';
if ($absolute !== false) {
$url_string = Minz_Request::getBaseUrl();
if (strlen($url_string) < strlen('http://a.bc')) {
$url_string = Minz_Request::guessBaseUrl();
if (PUBLIC_RELATIVE === '..' && preg_match('%' . PUBLIC_TO_INDEX_PATH . '(/|$)%', $url_string)) {
//TODO: Implement proper resolver of relative parts such as /test/./../
$url_string = dirname($url_string);
}
}
if ($isArray) {
$url_string .= PUBLIC_TO_INDEX_PATH;
}
if ($absolute === 'root') {
$url_string = parse_url($url_string, PHP_URL_PATH);
}
} else {
$url_string = $isArray ? '.' : PUBLIC_RELATIVE;
}
if ($isArray) {
$url_string .= '/' . self::printUri($url, $encoding);
} elseif ($encoding === 'html') {
$url_string = Minz_Helper::htmlspecialchars_utf8($url_string . $url);
} else {
$url_string .= $url;
}
return $url_string;
}
/**
* Construit l'URI d'une URL
* @param array{c:string,a:string,params:array<string,mixed>} $url URL as array definition
* @param string $encodage pour indiquer comment encoder les & (& ou & pour html)
* @return string uri sous la forme ?key=value&key2=value2
*/
private static function printUri(array $url, string $encodage): string {
$uri = '';
$separator = '?';
$anchor = '';
if ($encodage === 'html') {
$and = '&';
} else {
$and = '&';
}
if (!empty($url['params']) && is_array($url['params']) && !empty($url['params']['#'])) {
if (is_string($url['params']['#'])) {
$anchor = '#' . ($encodage === 'html' ? htmlspecialchars($url['params']['#'], ENT_QUOTES, 'UTF-8') : $url['params']['#']);
}
unset($url['params']['#']);
}
if (isset($url['c']) && is_string($url['c'])
&& $url['c'] != Minz_Request::defaultControllerName()) {
$uri .= $separator . 'c=' . $url['c'];
$separator = $and;
}
if (isset($url['a']) && is_string($url['a'])
&& $url['a'] != Minz_Request::defaultActionName()) {
$uri .= $separator . 'a=' . $url['a'];
$separator = $and;
}
if (isset($url['params']) && is_array($url['params'])) {
unset($url['params']['c']);
unset($url['params']['a']);
foreach ($url['params'] as $key => $param) {
if (!is_string($key) || (!is_string($param) && !is_int($param) && !is_bool($param))) {
continue;
}
$uri .= $separator . urlencode($key) . '=' . urlencode((string)$param);
$separator = $and;
}
}
$uri .= $anchor;
return $uri;
}
/**
* Check that all array elements representing the controller URL are OK
* @param array{c?:string,a?:string,params?:array<string,mixed>} $url controller URL as array
* @return array{c:string,a:string,params:array<string,mixed>} Verified controller URL as array
*/
public static function checkControllerUrl(array $url): array {
return [
'c' => empty($url['c']) || !is_string($url['c']) ? Minz_Request::defaultControllerName() : $url['c'],
'a' => empty($url['a']) || !is_string($url['a']) ? Minz_Request::defaultActionName() : $url['a'],
'params' => empty($url['params']) || !is_array($url['params']) ? [] : $url['params'],
];
}
/** @param array{c?:string,a?:string,params?:array<string,mixed>} $url */
public static function serialize(?array $url = []): string {
if (empty($url)) {
return '';
}
try {
return base64_encode(json_encode($url, JSON_THROW_ON_ERROR));
} catch (\Throwable $exception) {
return '';
}
}
/** @return array{c?:string,a?:string,params?:array<string,mixed>} */
public static function unserialize(string $url = ''): array {
$result = json_decode(base64_decode($url, true) ?: '', true, JSON_THROW_ON_ERROR) ?? [];
/** @var array{c?:string,a?:string,params?:array<string,mixed>} $result */
return $result;
}
/**
* Returns an array representing the URL as passed in the address bar
* @return array{c?:string,a?:string,params?:array<string,string>} URL representation
*/
public static function build(): array {
$url = [
'c' => $_GET['c'] ?? Minz_Request::defaultControllerName(),
'a' => $_GET['a'] ?? Minz_Request::defaultActionName(),
'params' => $_GET,
];
// post-traitement
unset($url['params']['c']);
unset($url['params']['a']);
return $url;
}
}
/**
* @param string $controller
* @param string $action
* @param string|int ...$args
* @return string|false
*/
function _url(string $controller, string $action, ...$args) {
$nb_args = count($args);
if ($nb_args % 2 !== 0) {
return false;
}
$params = array ();
for ($i = 0; $i < $nb_args; $i += 2) {
$arg = '' . $args[$i];
$params[$arg] = '' . $args[$i + 1];
}
return Minz_Url::display(['c' => $controller, 'a' => $action, 'params' => $params]);
}
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