get("url")->asset($url); } /** * Shortcut to create an url for routing in the framework. * * @param null|string $url url to use when creating the url. * * @return string as resulting url. */ function url($url = "") { global $di; return $di->get("url")->create($url); } /** * Render a view with an optional data set of variables. * * @param string $template the template file, or array * @param array $data variables to make available to the * view, default is empty * * @return void */ function renderView($template, $data = []) { global $di; $view = new View2(); $template = $di->get("view")->getTemplateFile($template); $view->set($template, $data); $view->render($di); } /** * Check if the region in the view container has views to render. * * @param string $region to check * * @return boolean true or false */ function regionHasContent($region) { global $di; return $di->get("view")->hasContent($region); } /** * Render views, from the view container, in the region. * * @param string $region to render in * * @return boolean true or false */ function renderRegion($region) { global $di; return $di->get("view")->render($region); } /** * Create a class attribute from a string or array. * * @param string|array $args variable amount of classlists. * * @return string as complete class attribute */ function classList(...$args) { $classes = []; foreach ($args as $arg) { if (empty($arg)) { continue; } elseif (is_string($arg)) { $arg = explode(" ", $arg); } $classes = array_merge($classes, $arg); } return "class=\"" . implode(" ", $classes) . "\""; } /** * Get current url, without querystring. * * @return string as resulting url. */ function currentUrl() { global $di; return $di->get("request")->getCurrentUrl(false); } /** * Get current route. * * @return string as resulting route. */ function currentRoute() { global $di; return $di->get("request")->getRoute(); } /** * Show variables/functions that are currently defined and can * be used within the view. Call the function with get_defined_vars() * as the parameter. * * @param array $variables should be the returned value from * get_defined_vars() * @param array $functions should be the returned value from * get_defined_functions() * * @return string showing variables and functions. */ function showEnvironment($variables, $functions) { $all = array_keys($variables); sort($all); $res = "

\n"
        . "VIEW DEVELOPMENT INFORMATION\n"
        . "----------------------------\n"
        . "Variables available:\n"
        . " (var_dump each for more information):\n";
    foreach ($all as $var) {
        $variable = $variables[$var];
        $res .= "* $var (" . gettype($variable) . ")";
        if (is_integer($variable) || is_double($variable)) {
            $res .= ": $variable";
        } elseif (is_string($variable)) {
            $res .= ": \"$variable\"";
        } elseif (is_bool($variable)) {
            $res .= ": " . ( $variable ? "true" : "false" );
        }
        $res .= "\n";
    }

    $res .= "\nView helper functions available:\n (see " . __FILE__ . ")\n";
    $namespace = strtolower(__NAMESPACE__);
    $matches = array_filter(
        $functions["user"],
        function ($function) use ($namespace) {
            return substr($function, 0, strlen($namespace)) === $namespace;
        }
    );
    sort($matches);
    $res .= "* " . implode(",\n* ", $matches);
    $res .= "

"; return $res; }