antoniofrignani

// http://wpsnipp.com/index.php/functions-php/add-select-menu-to-filter-by-custom-field-in-admin/

add_filter( 'parse_query', 'ba_admin_posts_filter' );
add_action( 'restrict_manage_posts', 'ba_admin_posts_filter_restrict_manage_posts' );
function ba_admin_posts_filter( $query )
{
    global $pagenow;
    if ( is_admin() && $pagenow=='edit.php' && isset($_GET['ADMIN_FILTER_FIELD_NAME']) && $_GET['ADMIN_FILTER_FIELD_NAME'] != '') {
        $query->query_vars['meta_key'] = $_GET['ADMIN_FILTER_FIELD_NAME'];
    if (isset($_GET['ADMIN_FILTER_FIELD_VALUE']) && $_GET['ADMIN_FILTER_FIELD_VALUE'] != '')

antoniofrignani

// http://wpsnipp.com/index.php/calendar/unregister-default-widgets/

// unregister all default WP Widgets
function unregister_default_wp_widgets() {
    unregister_widget('WP_Widget_Pages');
    unregister_widget('WP_Widget_Calendar');
    unregister_widget('WP_Widget_Archives');
    unregister_widget('WP_Widget_Links');
    unregister_widget('WP_Widget_Meta');
    unregister_widget('WP_Widget_Search');

antoniofrignani

// http://wpsnipp.com/index.php/functions-php/filter-search-results-by-post-type/

function search_posts_filter( $query ){
    if ($query->is_search){
        $query->set('post_type',array('post','custom_post_type1', 'custom_post_type2'));
    }
    return $query;
}
add_filter('pre_get_posts','search_posts_filter');

antoniofrignani

// http://wpsnipp.com/index.php/posts/search-a-specific-post-type/

function SearchFilter($query) {
  if ($query->is_search) {
    // Insert the specific post type you want to search
    $query->set('post_type', 'feeds');
  }
  return $query;
}
// This filter will jump into the loop and arrange our results before they're returned

antoniofrignani

// http://wpsnipp.com/index.php/functions-php/attach-images-with-simple-thumbnail-selection-metabox/

add_action("admin_init", "images_init");
add_action('save_post', 'save_images_link');
function images_init(){
          $post_types = get_post_types();
          foreach ( $post_types as $post_type ) {
                add_meta_box("my-images", "Pictures", "images_link", $post_type, "normal", "low");
          }
        }

antoniofrignani

<form role="search" method="get" id="searchform" action="<?php bloginfo('siteurl'); ?>">
  <div>
    <label class="screen-reader-text" for="s">Search for:</label>
    <input type="text" value="" name="s" id="s" />
    in <?php wp_dropdown_categories( 'show_option_all=All Categories' ); ?>
    <input type="submit" id="searchsubmit" value="Search" />
  </div>
</form>

antoniofrignani

// http://wpsnipp.com/index.php/functions-php/add-youtube-thumbnail-posts-with-custom-metabox/

        add_action("admin_init", "youtube_init");
        add_action('save_post', 'save_youtube_link');
        function youtube_init(){
                add_meta_box("youtube", "Youtube thumbnail code", "youtube_link", "post", "normal", "high");
        }
        function youtube_link(){
                global $post;
                $custom  = get_post_custom($post->ID);

antoniofrignani

// http://wpsnipp.com/index.php/functions-php/highlight-post_states-within-admin-posts-and-pages/

function custom_post_states( $post_states ) {
   foreach ( $post_states as &$state ){
   $state = '<span class="'.strtolower( $state ).' states">' . str_replace( ' ', '-', $state ) . '</span>';
   }
   return $post_states;
}
add_filter( 'display_post_states', 'custom_post_states' );
function custom_post_states_css(){

antoniofrignani

// http://wpsnipp.com/index.php/functions-php/update-create-custom-post-status-mesasges-in-admin/

// for layout fixes: http://pastebin.com/zNHEZMKR

add_filter( 'display_post_states', 'custom_post_state' );
function custom_post_state( $states ) {
        global $post;
        $show_custom_state = get_post_meta( $post->ID, '_status' );
        // We are using "None" as a way to disable this feature for the current post.
        if ( $show_custom_state && $show_custom_state[0] != 'None' ) $states[] = '<span class="custom_state ' . strtolower( $show_custom_state[0] ) . '">' . $show_custom_state[0] . '</span>';

antoniofrignani

// Prevent direct file access to functions.php

if (!empty($_SERVER['SCRIPT_FILENAME']) && 'functions.php' == basename($_SERVER['SCRIPT_FILENAME']))
{
    die ('No access!');
}