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  1. <?php
  2. /**
  3.  * Twenty Twelve functions and definitions.
  4.  *
  5.  * Sets up the theme and provides some helper functions, which are used
  6.  * in the theme as custom template tags. Others are attached to action and
  7.  * filter hooks in WordPress to change core functionality.
  8.  *
  9.  * When using a child theme (see http://codex.wordpress.org/Theme_Development and
  10.  * http://codex.wordpress.org/Child_Themes), you can override certain functions
  11.  * (those wrapped in a function_exists() call) by defining them first in your child theme's
  12.  * functions.php file. The child theme's functions.php file is included before the parent
  13.  * theme's file, so the child theme functions would be used.
  14.  *
  15.  * Functions that are not pluggable (not wrapped in function_exists()) are instead attached
  16.  * to a filter or action hook.
  17.  *
  18.  * For more information on hooks, actions, and filters, see http://codex.wordpress.org/Plugin_API.
  19.  *
  20.  * @package WordPress
  21.  * @subpackage Twenty_Twelve
  22.  * @since Twenty Twelve 1.0
  23.  */
  24.  
  25. /**
  26.  * Sets up the content width value based on the theme's design and stylesheet.
  27.  */
  28. if ( ! isset( $content_width ) )
  29.     $content_width = 625;
  30.  
  31. /**
  32.  * Sets up theme defaults and registers the various WordPress features that
  33.  * Twenty Twelve supports.
  34.  *
  35.  * @uses load_theme_textdomain() For translation/localization support.
  36.  * @uses add_editor_style() To add a Visual Editor stylesheet.
  37.  * @uses add_theme_support() To add support for post thumbnails, automatic feed links,
  38.  *  custom background, and post formats.
  39.  * @uses register_nav_menu() To add support for navigation menus.
  40.  * @uses set_post_thumbnail_size() To set a custom post thumbnail size.
  41.  *
  42.  * @since Twenty Twelve 1.0
  43.  */
  44.  
  45. function twentytwelve_setup() {
  46.     /*
  47.      * Makes Twenty Twelve available for translation.
  48.      *
  49.      * Translations can be added to the /languages/ directory.
  50.      * If you're building a theme based on Twenty Twelve, use a find and replace
  51.      * to change 'twentytwelve' to the name of your theme in all the template files.
  52.      */
  53.     load_theme_textdomain( 'twentytwelve', get_template_directory() . '/languages' );
  54.  
  55.     // This theme styles the visual editor with editor-style.css to match the theme style.
  56.     add_editor_style();
  57.  
  58.     // Adds RSS feed links to <head> for posts and comments.
  59.     add_theme_support( 'automatic-feed-links' );
  60.  
  61.     // This theme supports a variety of post formats.
  62.     add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote', 'status' ) );
  63.  
  64.     // This theme uses wp_nav_menu() in one location.
  65.     register_nav_menu( 'primary', __( 'Primary Menu', 'twentytwelve' ) );
  66.  
  67.     /*
  68.      * This theme supports custom background color and image, and here
  69.      * we also set up the default background color.
  70.      */
  71.     add_theme_support( 'custom-background', array(
  72.         'default-color' => 'e6e6e6',
  73.     ) );
  74.  
  75.     // This theme uses a custom image size for featured images, displayed on "standard" posts.
  76.     add_theme_support( 'post-thumbnails' );
  77.     set_post_thumbnail_size( 624, 9999 ); // Unlimited height, soft crop
  78. }
  79. add_action( 'after_setup_theme', 'twentytwelve_setup' );
  80.  
  81. /**
  82.  * Adds support for a custom header image.
  83.  */
  84. require( get_template_directory() . '/inc/custom-header.php' );
  85.  
  86. /**
  87.  * Enqueues scripts and styles for front-end.
  88.  *
  89.  * @since Twenty Twelve 1.0
  90.  */
  91. function twentytwelve_scripts_styles() {
  92.     global $wp_styles;
  93.  
  94.     /*
  95.      * Adds JavaScript to pages with the comment form to support
  96.      * sites with threaded comments (when in use).
  97.      */
  98.     if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
  99.         wp_enqueue_script( 'comment-reply' );
  100.  
  101.     /*
  102.      * Adds JavaScript for handling the navigation menu hide-and-show behavior.
  103.      */
  104.     wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '1.0', true );
  105.  
  106.     /*
  107.      * Loads our special font CSS file.
  108.      *
  109.      * The use of Open Sans by default is localized. For languages that use
  110.      * characters not supported by the font, the font can be disabled.
  111.      *
  112.      * To disable in a child theme, use wp_dequeue_style()
  113.      * function mytheme_dequeue_fonts() {
  114.      *     wp_dequeue_style( 'twentytwelve-fonts' );
  115.      * }
  116.      * add_action( 'wp_enqueue_scripts', 'mytheme_dequeue_fonts', 11 );
  117.      */
  118.  
  119.     /* translators: If there are characters in your language that are not supported
  120.        by Open Sans, translate this to 'off'. Do not translate into your own language. */
  121.     if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) {
  122.         $subsets = 'latin,latin-ext';
  123.  
  124.         /* translators: To add an additional Open Sans character subset specific to your language, translate
  125.            this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. */
  126.         $subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' );
  127.  
  128.         if ( 'cyrillic' == $subset )
  129.             $subsets .= ',cyrillic,cyrillic-ext';
  130.         elseif ( 'greek' == $subset )
  131.             $subsets .= ',greek,greek-ext';
  132.         elseif ( 'vietnamese' == $subset )
  133.             $subsets .= ',vietnamese';
  134.  
  135.         $protocol = is_ssl() ? 'https' : 'http';
  136.         $query_args = array(
  137.             'family' => 'Open+Sans:400italic,700italic,400,700',
  138.             'subset' => $subsets,
  139.         );
  140.         wp_enqueue_style( 'twentytwelve-fonts', add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" ), array(), null );
  141.     }
  142.  
  143.     /*
  144.      * Loads our main stylesheet.
  145.      */
  146.     wp_enqueue_style( 'twentytwelve-style', get_stylesheet_uri() );
  147.  
  148.     /*
  149.      * Loads the Internet Explorer specific stylesheet.
  150.      */
  151.     wp_enqueue_style( 'twentytwelve-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentytwelve-style' ), '20121010' );
  152.     $wp_styles->add_data( 'twentytwelve-ie', 'conditional', 'lt IE 9' );
  153. }
  154. add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' );
  155.  
  156. function forceNumber() {
  157.     wp_enqueue_script( 'forceNumber',   get_template_directory_uri() . '/js/forceNumber.js', array( 'jquery' )  );
  158. }
  159. add_action( 'wp_enqueue_scripts', 'forceNumber' );
  160.  
  161. /**
  162.  * Creates a nicely formatted and more specific title element text
  163.  * for output in head of document, based on current view.
  164.  *
  165.  * @since Twenty Twelve 1.0
  166.  *
  167.  * @param string $title Default title text for current view.
  168.  * @param string $sep Optional separator.
  169.  * @return string Filtered title.
  170.  */
  171. function twentytwelve_wp_title( $title, $sep ) {
  172.     global $paged, $page;
  173.  
  174.     if ( is_feed() )
  175.         return $title;
  176.  
  177.     // Add the site name.
  178.     $title .= get_bloginfo( 'name' );
  179.  
  180.     // Add the site description for the home/front page.
  181.     $site_description = get_bloginfo( 'description', 'display' );
  182.     if ( $site_description && ( is_home() || is_front_page() ) )
  183.         $title = "$title $sep $site_description";
  184.  
  185.     // Add a page number if necessary.
  186.     if ( $paged >= 2 || $page >= 2 )
  187.         $title = "$title $sep " . sprintf( __( 'Page %s', 'twentytwelve' ), max( $paged, $page ) );
  188.  
  189.     return $title;
  190. }
  191. add_filter( 'wp_title', 'twentytwelve_wp_title', 10, 2 );
  192.  
  193. /**
  194.  * Makes our wp_nav_menu() fallback -- wp_page_menu() -- show a home link.
  195.  *
  196.  * @since Twenty Twelve 1.0
  197.  */
  198. function twentytwelve_page_menu_args( $args ) {
  199.     if ( ! isset( $args['show_home'] ) )
  200.         $args['show_home'] = true;
  201.     return $args;
  202. }
  203. add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' );
  204.  
  205. /**
  206.  * Registers our main widget area and the front page widget areas.
  207.  *
  208.  * @since Twenty Twelve 1.0
  209.  */
  210. function twentytwelve_widgets_init() {
  211.     register_sidebar( array(
  212.         'name' => __( 'Main Sidebar', 'twentytwelve' ),
  213.         'id' => 'sidebar-1',
  214.         'description' => __( 'Appears on posts and pages except the optional Front Page template, which has its own widgets', 'twentytwelve' ),
  215.         'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  216.         'after_widget' => '</aside>',
  217.         'before_title' => '<h3 class="widget-title">',
  218.         'after_title' => '</h3>',
  219.     ) );
  220.  
  221.     register_sidebar( array(
  222.         'name' => __( 'First Front Page Widget Area', 'twentytwelve' ),
  223.         'id' => 'sidebar-2',
  224.         'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
  225.         'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  226.         'after_widget' => '</aside>',
  227.         'before_title' => '<h3 class="widget-title">',
  228.         'after_title' => '</h3>',
  229.     ) );
  230.  
  231.     register_sidebar( array(
  232.         'name' => __( 'Second Front Page Widget Area', 'twentytwelve' ),
  233.         'id' => 'sidebar-3',
  234.         'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
  235.         'before_widget' => '<aside id="%1$s" class="widget %2$s">',
  236.         'after_widget' => '</aside>',
  237.         'before_title' => '<h3 class="widget-title">',
  238.         'after_title' => '</h3>',
  239.     ) );
  240. }
  241. add_action( 'widgets_init', 'twentytwelve_widgets_init' );
  242.  
  243. if ( ! function_exists( 'twentytwelve_content_nav' ) ) :
  244. /**
  245.  * Displays navigation to next/previous pages when applicable.
  246.  *
  247.  * @since Twenty Twelve 1.0
  248.  */
  249. function twentytwelve_content_nav( $html_id ) {
  250.     global $wp_query;
  251.  
  252.     $html_id = esc_attr( $html_id );
  253.  
  254.     if ( $wp_query->max_num_pages > 1 ) : ?>
  255.         <nav id="<?php echo $html_id; ?>" class="navigation" role="navigation">
  256.             <h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3>
  257.             <div class="nav-previous alignleft"><?php next_posts_link( __( '<span class="meta-nav">&larr;</span> Older posts', 'twentytwelve' ) ); ?></div>
  258.             <div class="nav-next alignright"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentytwelve' ) ); ?></div>
  259.         </nav><!-- #<?php echo $html_id; ?> .navigation -->
  260.     <?php endif;
  261. }
  262. endif;
  263.  
  264. if ( ! function_exists( 'twentytwelve_comment' ) ) :
  265. /**
  266.  * Template for comments and pingbacks.
  267.  *
  268.  * To override this walker in a child theme without modifying the comments template
  269.  * simply create your own twentytwelve_comment(), and that function will be used instead.
  270.  *
  271.  * Used as a callback by wp_list_comments() for displaying the comments.
  272.  *
  273.  * @since Twenty Twelve 1.0
  274.  */
  275. function twentytwelve_comment( $comment, $args, $depth ) {
  276.     $GLOBALS['comment'] = $comment;
  277.     switch ( $comment->comment_type ) :
  278.         case 'pingback' :
  279.         case 'trackback' :
  280.         // Display trackbacks differently than normal comments.
  281.     ?>
  282.     <li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
  283.         <p><?php _e( 'Pingback:', 'twentytwelve' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?></p>
  284.     <?php
  285.             break;
  286.         default :
  287.         // Proceed with normal comments.
  288.         global $post;
  289.     ?>
  290.     <li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
  291.         <article id="comment-<?php comment_ID(); ?>" class="comment">
  292.             <header class="comment-meta comment-author vcard">
  293.                 <?php
  294.                     echo get_avatar( $comment, 44 );
  295.                     printf( '<cite class="fn">%1$s %2$s</cite>',
  296.                         get_comment_author_link(),
  297.                         // If current post author is also comment author, make it known visually.
  298.                         ( $comment->user_id === $post->post_author ) ? '<span> ' . __( 'Post author', 'twentytwelve' ) . '</span>' : ''
  299.                     );
  300.                     printf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>',
  301.                         esc_url( get_comment_link( $comment->comment_ID ) ),
  302.                         get_comment_time( 'c' ),
  303.                         /* translators: 1: date, 2: time */
  304.                         sprintf( __( '%1$s at %2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() )
  305.                     );
  306.                 ?>
  307.             </header><!-- .comment-meta -->
  308.  
  309.             <?php if ( '0' == $comment->comment_approved ) : ?>
  310.                 <p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentytwelve' ); ?></p>
  311.             <?php endif; ?>
  312.  
  313.             <section class="comment-content comment">
  314.                 <?php comment_text(); ?>
  315.                 <?php edit_comment_link( __( 'Edit', 'twentytwelve' ), '<p class="edit-link">', '</p>' ); ?>
  316.             </section><!-- .comment-content -->
  317.  
  318.             <div class="reply">
  319.                 <?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'twentytwelve' ), 'after' => ' <span>&darr;</span>', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
  320.             </div><!-- .reply -->
  321.         </article><!-- #comment-## -->
  322.     <?php
  323.         break;
  324.     endswitch; // end comment_type check
  325. }
  326. endif;
  327.  
  328. if ( ! function_exists( 'twentytwelve_entry_meta' ) ) :
  329. /**
  330.  * Prints HTML with meta information for current post: categories, tags, permalink, author, and date.
  331.  *
  332.  * Create your own twentytwelve_entry_meta() to override in a child theme.
  333.  *
  334.  * @since Twenty Twelve 1.0
  335.  */
  336. function twentytwelve_entry_meta() {
  337.     // Translators: used between list items, there is a space after the comma.
  338.     $categories_list = get_the_category_list( __( ', ', 'twentytwelve' ) );
  339.  
  340.     // Translators: used between list items, there is a space after the comma.
  341.     $tag_list = get_the_tag_list( '', __( ', ', 'twentytwelve' ) );
  342.  
  343.     $date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a>',
  344.         esc_url( get_permalink() ),
  345.         esc_attr( get_the_time() ),
  346.         esc_attr( get_the_date( 'c' ) ),
  347.         esc_html( get_the_date() )
  348.     );
  349.  
  350.     $author = sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
  351.         esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
  352.         esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ),
  353.         get_the_author()
  354.     );
  355.  
  356.     // Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name.
  357.     if ( $tag_list ) {
  358.         $utility_text = __( 'This entry was posted in %1$s and tagged %2$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  359.     } elseif ( $categories_list ) {
  360.         $utility_text = __( 'This entry was posted in %1$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  361.     } else {
  362.         $utility_text = __( 'This entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
  363.     }
  364.  
  365.     printf(
  366.         $utility_text,
  367.         $categories_list,
  368.         $tag_list,
  369.         $date,
  370.         $author
  371.     );
  372. }
  373. endif;
  374.  
  375. /**
  376.  * Extends the default WordPress body class to denote:
  377.  * 1. Using a full-width layout, when no active widgets in the sidebar
  378.  *    or full-width template.
  379.  * 2. Front Page template: thumbnail in use and number of sidebars for
  380.  *    widget areas.
  381.  * 3. White or empty background color to change the layout and spacing.
  382.  * 4. Custom fonts enabled.
  383.  * 5. Single or multiple authors.
  384.  *
  385.  * @since Twenty Twelve 1.0
  386.  *
  387.  * @param array Existing class values.
  388.  * @return array Filtered class values.
  389.  */
  390. function twentytwelve_body_class( $classes ) {
  391.     $background_color = get_background_color();
  392.  
  393.     if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) )
  394.         $classes[] = 'full-width';
  395.  
  396.     if ( is_page_template( 'page-templates/front-page.php' ) ) {
  397.         $classes[] = 'template-front-page';
  398.         if ( has_post_thumbnail() )
  399.             $classes[] = 'has-post-thumbnail';
  400.         if ( is_active_sidebar( 'sidebar-2' ) && is_active_sidebar( 'sidebar-3' ) )
  401.             $classes[] = 'two-sidebars';
  402.     }
  403.  
  404.     if ( empty( $background_color ) )
  405.         $classes[] = 'custom-background-empty';
  406.     elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
  407.         $classes[] = 'custom-background-white';
  408.  
  409.     // Enable custom font class only if the font CSS is queued to load.
  410.     if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) )
  411.         $classes[] = 'custom-font-enabled';
  412.  
  413.     if ( ! is_multi_author() )
  414.         $classes[] = 'single-author';
  415.  
  416.     return $classes;
  417. }
  418. add_filter( 'body_class', 'twentytwelve_body_class' );
  419.  
  420. /**
  421.  * Adjusts content_width value for full-width and single image attachment
  422.  * templates, and when there are no active widgets in the sidebar.
  423.  *
  424.  * @since Twenty Twelve 1.0
  425.  */
  426. function twentytwelve_content_width() {
  427.     if ( is_page_template( 'page-templates/full-width.php' ) || is_attachment() || ! is_active_sidebar( 'sidebar-1' ) ) {
  428.         global $content_width;
  429.         $content_width = 960;
  430.     }
  431. }
  432. add_action( 'template_redirect', 'twentytwelve_content_width' );
  433.  
  434. /**
  435.  * Add postMessage support for site title and description for the Theme Customizer.
  436.  *
  437.  * @since Twenty Twelve 1.0
  438.  *
  439.  * @param WP_Customize_Manager $wp_customize Theme Customizer object.
  440.  * @return void
  441.  */
  442. function twentytwelve_customize_register( $wp_customize ) {
  443.     $wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
  444.     $wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
  445. }
  446. add_action( 'customize_register', 'twentytwelve_customize_register' );
  447.  
  448. /**
  449.  * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
  450.  *
  451.  * @since Twenty Twelve 1.0
  452.  */
  453.  
  454. function twentytwelve_customize_preview_js() {
  455.     wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20120827', true );
  456. }
  457. add_action( 'customize_preview_init', 'twentytwelve_customize_preview_js' );
  458.  
  459.     //1. Add a new form element...
  460.     add_action('register_form','myplugin_register_form');
  461.     function myplugin_register_form (){
  462.         $yearly_income = ( isset( $_POST['yearly_income'] ) ) ? $_POST['yearly_income']: '';
  463.         ?>
  464.        
  465.         <p>
  466.             <label for="yearly_income"><?php _e('Yearly Income<br><i>Used to determine fee per session</i>','mydomain') ?><br />
  467.                 <input type="number" name="yearly_income" id="yearly_income" class="input" value="<?php echo esc_attr(stripslashes($yearly_income)); ?>" size="25" onkeypress="return forceNumber(event);" /></label>
  468.         </p>
  469.         <?php
  470.     }
  471.  
  472.     //2. Add validation. In this case, we make sure yearly_income is required.
  473.     add_filter('registration_errors', 'myplugin_registration_errors', 10, 3);
  474.     function myplugin_registration_errors ($errors, $sanitized_user_login, $user_email) {
  475.  
  476.         if ( empty( $_POST['yearly_income'] ) )
  477.             $errors->add( 'yearly_income_error', __('<strong>ERROR</strong>: You must include a first name.','mydomain') );
  478.  
  479.         return $errors;
  480.     }
  481.  
  482.     //3. Finally, save our extra registration user meta.
  483.     add_action('user_register', 'myplugin_user_register');
  484.     function myplugin_user_register ($user_id) {
  485.         if ( isset( $_POST['yearly_income'] ) )
  486.             update_user_meta($user_id, 'yearly_income', $_POST['yearly_income']);
  487.     }
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