Simple PHP functions to generate Twitter bootstrap components

PHP: bootstrap-modules.php

<?php


  /**
   * Generates a Twitter Bootstrap menu markup, complete with Dropdown menus as defined in sitedata.json
   * @param array   $data     JSON data converted to PHP array in siteconfig.php
   * @param boolean $settings Overrideable settings array to provide some options
   */
  function add_menu($data, $settings = false) {

    $menu = $menu_content = $active = $inverse = $pull = $color = '';

    // Set active link test string
    $currentURL = preg_replace('/[\w\d-_:\.\#\%\?\/]*?(\/[\w\d-_\.+=\#\%\?]*\.(php|html|htm))\S*/', '$1', $_SERVER['SCRIPT_FILENAME']);


    // These settings can be overridden provided the $settings var is passed
    $master_settings = [
        "inverse" => false
      , "pull"    => false
      , "color"   => null
    ];


    // Merge our settings array
    if ($settings) {
      $settings = array_unique(array_merge($master_settings, $settings));


      // Set color profile of navmenu
      if ($settings['color']) { $color = $settings['color']; }

      // Render inverse
      if ($settings['inverse']) { $inverse = 'navbar-inverse'; }

      // Determine what direction to pull the menu_content
      if ($settings['pull']) {

        switch ($settings->pull) {
          case 'right':
            $pull = 'pull-right';
            break;

          case 'left':
            $pull = 'pull-left';
            break;
        }
      }

    } // if ($settings) { ... }


    // Output the .ui-group styles
    foreach ($data as $link) {
      $active = '';

      // Set active link
      if ($link->url === $currentURL) { $active = 'active'; }

      // Generate submenus
      if (isset($link->sublinks)) {

        // Build sublinks container
        $menu_content   .=  "</ul>"
                        .   "<ul class=\"nav\">"
                        .     "<li class=\"dropdown $active\">"
                        .       "<a href=\"$link->url\" class=\"dropdown-toggle\" data-toggle=\"dropdown\">"
                        .         "$link->name <b class=\"caret\"></b>"
                        .       "</a>"
                        .       "<ul class=\"dropdown-menu\">"
                        ;

        // Render sublinks
        foreach ($link->sublinks as $sublink) {
          $menu_content .=       "<li><a href=\"" . SITE_LOCATION . "$sublink->url\" title=\"$sublink->link_title\">$sublink->name</a>";
        }

        // Close sublinks container
        $menu_content   .=      "</ul>"
                        .     "</li>"
                        .   "</ul>"
                        .   "<ul class=\"nav\">"
                        ;

      } else {
        $menu_content   .=    "<li class=\"$active\"><a href=\"" . SITE_LOCATION . "$link->url\" title=\"$link->link_title\">$link->name</a></li>";
      }

    } // foreach ($data as $link)


    $menu = "<nav class=\"navbar $inverse $color top-navbar\" role=\"navigation\">"
          .   "<div class=\"navbar-inner pull-right\">"
          .     "<ul class=\"nav\">"
          .       $menu_content
          .     "</ul>"
          .   "</div>"
          . "</nav><!-- .top-navbar -->"
          ;

    echo $menu;

  } // add_menu()