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<?php 
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define('IMAGES_URL', get_bloginfo('stylesheet_directory') . '/dist/images');
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define('IMAGES_PATH', get_stylesheet_directory() . '/dist/images');
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/* JS */
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function load_scripts() {
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  wp_enqueue_script('jquery');  
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  wp_enqueue_script('main_js', get_stylesheet_directory_uri() . '/dist/scripts/main.js', array('jquery'), true);
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  if (get_post_type() == 'project') {
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    wp_enqueue_script('prism', get_stylesheet_directory_uri() . '/dist/scripts/prism.js', array('jquery'), true);
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  }
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}
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add_action('wp_enqueue_scripts', 'load_scripts');
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/* CSS */
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function load_styles() {
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  wp_enqueue_style('main_css', get_stylesheet_directory_uri() . '/dist/styles/main.css');
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  if (get_post_type() === 'project') {
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    wp_enqueue_style('prism', get_stylesheet_directory_uri() . '/dist/styles/prism.css');
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  }  
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}
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add_action( 'wp_enqueue_scripts', 'load_styles' );
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/* MENUS */
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function register_menus() {
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  register_nav_menu('main_menu', 'Main Menu');
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}
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add_action('after_setup_theme', 'register_menus');
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/* FONTS */
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function wpb_add_google_fonts() {
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  wp_enqueue_style( 'wpb-google-fonts', 'http://fonts.googleapis.com/css?family=Open+Sans:300,600', false );
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}
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add_action( 'wp_enqueue_scripts', 'wpb_add_google_fonts' );
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/* CPT: PROJECT */
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function my_custom_post_project() {
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  $labels = array(
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    'name'               => _x('Projects', 'post type general name'),
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    'singular_name'      => _x('Project', 'post type singular name'),
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    'add_new'            => __('Add New Project'),
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    'add_new_item'       => __('Add New Project'),
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    'edit_item'          => __('Edit Project'),
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    'new_item'           => __('New Project'),
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    'all_items'          => __('All Projects'),
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    'view_item'          => __('View Project'),
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    'search_items'       => __('Search Projects'),
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    'not_found'          => __('No projects found'),
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    'not_found_in_trash' => __('No projects found in the Trash'),
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    'parent_item_colon'  => '',
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    'menu_name'          => 'Projects'
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  );
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  $args = array(
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    'labels'        => $labels,
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    'show_in_rest' => true,
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    'description'   => 'Holds our projects and project specific data',
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    'public'        => true,
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    'menu_position' => 5,
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    'supports'      => array('title', 'editor', 'thumbnail', 'excerpt', 'comments', 'custom-fields'),
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    'has_archive'   => true,
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  );
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  register_post_type('project', $args);
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}
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add_action('init', 'my_custom_post_project');
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function my_updated_messages_project($messages) {
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  global $post, $post_ID;
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  $messages['project'] = array(
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    0 => '',
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    1 => sprintf( __('Project updated. <a href="%s">View project</a>'), esc_url( get_permalink($post_ID) ) ),
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    2 => __('Custom field updated.'),
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    3 => __('Custom field deleted.'),
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    4 => __('Project updated.'),
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    5 => isset($_GET['revision']) ? sprintf( __('Project restored to revision from %s'), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
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    6 => sprintf( __('Project published. <a href="%s">View project</a>'), esc_url( get_permalink($post_ID) ) ),
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    7 => __('Project saved.'),
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    8 => sprintf( __('Project submitted. <a target="_blank" href="%s">Preview project</a>'), esc_url( add_query_arg( 'preview', 'true', get_permalink($post_ID)))),
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    9 => sprintf( __('Project scheduled for: <strong>%1$s</strong>. <a target="_blank" href="%2$s">Preview project</a>'), date_i18n( __( 'M j, Y @ G:i' ), strtotime($post->post_date)), esc_url(get_permalink($post_ID))),
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    10 => sprintf( __('Project draft updated. <a target="_blank" href="%s">Preview project</a>'), esc_url( add_query_arg('preview', 'true', get_permalink($post_ID) ))),
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  );
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  return $messages;
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}
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add_filter('post_updated_messages', 'my_updated_messages_project');
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/* HIDE ADMIN BAR */
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add_filter('show_admin_bar', '__return_false');
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/* CONTACT FORM ERROR MESSAGES */
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function generate_response($type, $message) {
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  $t = $type === 'success' ? 'success' : 'error';
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  return "<div class='$t'>$message</div><br/>"; 
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}
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/* REST API ENDPOINTS FOR PROJECTS */
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function last_projects() {
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  $args = array(
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    'post_type' => 'project',
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    'posts_per_page'=> 3
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  );  
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  $posts = get_posts($args);
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  foreach ($posts as $key => $post) {
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    $posts[$key]->acf = get_fields($post->ID);
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  }
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  return $posts;
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}
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function all_projects() {
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  $args = array(
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    'post_type' => 'project',
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    'posts_per_page'=> -1
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  );  
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  $posts = get_posts($args);
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  foreach ($posts as $key => $post) {
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    $posts[$key]->acf = get_fields($post->ID);
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  }
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  return $posts;
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}
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function single_project($data) {
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  $post_ID = $data['id'];
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  return get_post($post_ID);
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}
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add_action('rest_api_init', function () {
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  register_rest_route( 'last_projects/v1', 'posts', array(
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    'methods' => 'GET',
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    'callback' => 'last_projects'
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  ));
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  register_rest_route( 'projects/v1', 'posts', array(
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    'methods' => 'GET',
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    'callback' => 'all_projects'
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  ));
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  register_rest_route( 'project/v1', 'post/(?P<id>\d+)', array(
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    'methods' => 'GET',
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    'callback' => 'single_project',
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    'args' => [
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      'id'
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    ]
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  ));
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});
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/* REST API ENDPOINT FOR MAIN MENU */
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function main_menu() {
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  return wp_get_nav_menu_items('main_menu');
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}
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add_action( 'rest_api_init', function () {
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  register_rest_route( 'menus/v1', 'main_menu', array(
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    'methods' => 'GET',
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    'callback' => 'main_menu'
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  ));
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});
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/* REST API ENDPOINT FOR SENDING EMAIL */
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function sendContactMail(WP_REST_Request $request) {
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  $siteName = wp_strip_all_tags(trim(get_option('blogname')));
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  $contactName = $request['contact_name'];
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  $contactEmail = $request['contact_email'];
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  $contactMessage = $request['contact_message'];
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  $subject = "[$siteName] (testing) New message from $contactName";
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  $subject = "New message sent from site $siteName - $contactName <$contactEmail>";
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  $body = "<p><b>Name:</b> $contactName</p>";
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  $body .= "<p><b>Email:</b> $contactEmail</p>";
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  $body .= "<p style='white-space: pre;'><b>Message:</b><br>$contactMessage</p>";
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  $to = get_option('admin_email');
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  $headers = array(
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    'Content-Type: text/html; charset=UTF-8',
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    "Reply-To: $contactName <$contactEmail>",
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  );
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  $result_mail_function = false;
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  if ($result_mail_function) {
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    return new WP_REST_Response(array('message' => 'Form sent!'));
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  } else {
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    return new WP_Error('502', "Server issue, please use your usual email client instead.");
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  }
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}
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/* CONTACT PAGE FORM SUBMISSION ENDPOINT - REST API */
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add_action('rest_api_init', function() {
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  register_rest_route('contact/v1', 'send', array(
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    'methods'             => 'POST',
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    'callback'            => 'sendContactMail',
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    'permission_callback' => '__return_true',
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    'args'                => array(
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      'contact_name'    => array(
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        'required'          => true,
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        'validate_callback' => function ($value) {
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            return preg_match('/[a-z0-9]{2,}/i', $value) ? true :
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              new WP_Error('invalid_contact_name', 'Your custom error.');
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        },
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        'sanitize_callback' => 'sanitize_text_field',
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      ),
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      'contact_email'   => array(
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        'required'          => true,
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        'validate_callback' => 'is_email',
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        'sanitize_callback' => 'sanitize_email',
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      ),
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      'contact_message' => array(
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        'required'          => true,
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        'sanitize_callback' => 'sanitize_textarea_field',
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      ),
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    ),
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  ));
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});
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/* ADDS CPT PROJECT'S 'VIDEO' CUSTOM FIELD TO REST API */
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add_action('rest_api_init', 'register_featured_video');
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function register_featured_video() {
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    register_rest_field(
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    'project',
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    'video',
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    array(
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      'get_callback'    => 'get_featured_video',
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      'update_callback' => null,
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      'schema'          => null,
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      )
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    );
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}
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function get_featured_video($object) {   
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  $post_id = $object['id']; 
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  return get_post_meta($post_id); 
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}
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?>