jacodelucia
1/26/2015 - 9:21 AM
WP - Filters
WP - Filters
<?php
/* => http://codex.wordpress.org/Plugin_API/Action_Reference */
// FACEBOOK OPEN GRAPH IN HEAD
add_action( 'wp_head', 'wp_head_example' );
function wp_head_example() {
global $post;
// default image
$site_logo = get_stylesheet_directory_uri() . '/images/logo.png';
// homepage
if ( is_home() ) {
echo '<meta property="og:type" content="website" />';
echo '<meta property="og:url" content="' . get_bloginfo( 'url' ) . '" />';
echo '<meta property="og:title" content="' . esc_attr( get_bloginfo( 'name' ) ) . '" />';
echo '<meta property="og:image" content="' . $site_logo . '" />';
echo '<meta property="og:description" content="' . esc_attr( get_bloginfo( 'description' ) ) . '" />';
}
// single post or page
elseif ( is_singular() ) {
echo '<meta property="og:type" content="article" />';
echo '<meta property="og:url" content="' . get_permalink() . '" />';
echo '<meta property="og:title" content="' . esc_attr( get_the_title() ) . '" />';
if ( has_post_thumbnail( $post->ID ) ) {
$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'large' );
echo '<meta property="og:image" content="' . esc_attr( $image[0] ) . '" />';
} else
echo '<meta property="og:image" content="' . $site_logo . '" />';
echo '<meta property="og:description" content="' . esc_attr( get_the_excerpt() ) . '" />';
}
}
//
add_action( 'init', 'init_example' );
function init_example() {
global $wp_rewrite;
$wp_rewrite->author_base = 'profile';
$wp_rewrite->search_base = 'find';
$wp_rewrite->pagination_base = 'p';
}
//
add_filter( 'manage_posts_columns', 'manage_posts_columns_example', 5 );
function manage_posts_columns_example( $columns ) {
$columns['post_attachments'] = __( 'Attached', 'theme-name' );
return $columns;
}
/************************************************************************************************/
/* SCRIPTS & STYLES */
/************************************************************************************************/
add_action( 'wp_enqueue_scripts', 'wp_enqueue_scripts_example' );
function wp_enqueue_scripts_example() {
// you can enqueue scripts...
wp_enqueue_script( 'my-script', get_stylesheet_directory_uri() . '/scripts/my-script.js' );
// ...and styles, too!
wp_enqueue_style( 'my-style', get_stylesheet_directory_uri() . '/styles/my-style.css' );
}
//
add_action( 'login_enqueue_scripts', 'login_enqueue_scripts_example' );
function login_enqueue_scripts_example() {
echo '<style type="text/css">'
. '#login h1 a {'
. 'background-image: url(' . get_bloginfo( 'template_directory' ) . '/images/login-logo.png);'
. 'padding-bottom: 30px;'
. '}'
. '</style>';
}
/************************************************************************************************/
/* FOOTER */
/************************************************************************************************/
add_action( 'wp_footer', 'wp_footer_example' );
function wp_footer_example() {
$stat = sprintf( '%d queries in %.3f seconds, using %.2fMB memory',
get_num_queries(),
timer_stop( 0, 3 ),
memory_get_peak_usage() / 1024 / 1024
);
if( current_user_can( 'manage_options' ) ) {
echo "<!-- {$stat} -->";
}
}
//
add_action( 'get_footer', 'get_footer_example' );
function get_footer_example( $name ) {
if ( 'new' == $name ) { ?>
<script>
(function( $ ) {
//put all your jQuery goodness in here.
})( jQuery );
</script>
<?php
}
}
/************************************************************************************************/
/* WIDGETS */
/************************************************************************************************/
add_action( 'widgets_init', 'widgets_init_example' );
function widgets_init_example() {
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' );
unregister_widget( 'WP_Widget_Text' );
unregister_widget( 'WP_Widget_Categories' );
unregister_widget( 'WP_Widget_Recent_Posts' );
unregister_widget( 'WP_Widget_Recent_Comments' );
unregister_widget( 'WP_Widget_RSS' );
unregister_widget( 'WP_Widget_Tag_Cloud' );
}
/************************************************************************************************/
/* ADMIN */
/************************************************************************************************/
add_action( 'admin_head', 'admin_head_example' );
function admin_head_example() {
echo '<link rel="shortcut icon" type="image/x-icon" href="' . get_bloginfo('template_directory') . '/images/admin-favicon.ico" />';
}
//
add_action( 'admin_notices', 'admin_notices_example' );
function admin_notices_example() {
echo '<div class="error">
<p>We are performing website maintenance. Please don\'t make any changes in your posts until further notice!</p>
</div>';
}
//
add_action( 'admin_init', 'admin_init_example', 1 );
function admin_init_example() {
if ( ! current_user_can( 'manage_options' ) && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
wp_redirect( site_url() );
exit;
}
}
// Retirer des pages de l'admin en fonction des capabilities
if ( ! current_user_can( 'manage_options' ) ) {
add_action( 'admin_menu', 'admin_menu_example' );
}
function admin_menu_example() {
remove_menu_page( 'index.php' ); //Dashboard
remove_menu_page( 'edit.php' ); //Posts
remove_menu_page( 'upload.php' ); //Media
remove_menu_page( 'edit.php?post_type=page' ); //Pages
remove_menu_page( 'edit-comments.php' ); //Comments
remove_menu_page( 'themes.php' ); //Appearance
remove_menu_page( 'plugins.php' ); //Plugins
remove_menu_page( 'users.php' ); //Users
remove_menu_page( 'tools.php' ); //Tools
remove_menu_page( 'options-general.php' ); //Settings
}
// Ajouter info dans admin bar
add_action( 'wp_before_admin_bar_render', 'wp_before_admin_bar_render_example' );
function wp_before_admin_bar_render_example() {
global $wp_admin_bar;
$wp_admin_bar->add_node( array(
'id' => 'contact-designer',
'title' => 'Contact Designer',
'href' => 'http://barisunver.com.tr/contact/',
'meta' => array( 'target' => '_blank' )
) );
}
//
add_action( 'admin_enqueue_scripts', 'admin_enqueue_scripts_example' );
function admin_enqueue_scripts_example( $hook ) {
if( 'edit.php' != $hook ) {
return;
}
wp_enqueue_script( 'my_custom_script', plugin_dir_url( __FILE__ ) . 'myscript.js' );
}
// Image à la une requise
add_action( 'save_post', 'save_post_example' );
add_action( 'admin_notices', 'admin_notices_example' );
function save_post_example( $post_id ) {
// change to any custom post type
if( get_post_type( $post_id ) != 'post' ) {
return;
}
if ( ! has_post_thumbnail( $post_id ) ) {
// set a transient to show the users an admin message
set_transient( 'has_post_thumbnail', 'no' );
// unhook this function so it doesn't loop infinitely
remove_action( 'save_post', 'wpds_check_thumbnail' );
// update the post set it to draft
wp_update_post( array( 'ID' => $post_id, 'post_status' => 'draft' ) );
add_action( 'save_post', 'wpds_check_thumbnail' );
} else {
delete_transient( 'has_post_thumbnail' );
}
}
function admin_notices_example() {
// check if the transient is set, and display the error message
if ( get_transient( 'has_post_thumbnail' ) == 'no' ) {
echo '<div id="message" class="error"><p>You must select a featured image for your post.</p></div>';
delete_transient( 'has_post_thumbnail' );
}
}
// Admin Notice
add_action( 'admin_notices', 'admin_notices_example' );
function admin_notices_example() {
// check if the transient is set, and display the error message
if ( get_transient( 'has_post_thumbnail' ) == 'no' ) {
echo '<div id="message" class="error"><p>You must select a featured image for your post.</p></div>';
}
}
// Masquer la barre admin en fonction des capabilities
add_action( 'set_current_user', 'set_current_user_example' );
function set_current_user_example() {
if ( ! current_user_can( 'edit_posts' ) ) {
show_admin_bar( false );
}
}
// AJOUTER UNE COLONNE DANS LES MEDIAS
add_filter( 'manage_media_columns', 'manage_media_columns_example' );
add_action( 'manage_media_custom_column', 'manage_media_custom_column_example', 10, 2 );
function manage_media_columns_example( $columns ) {
$columns[ 'wps_post_attachments_id' ] = __( 'ID', 'theme-name' );
return $columns;
}
function manage_media_custom_column_example( $column_name, $attachment_id ){
if ( 'wps_post_attachments_id' === $column_name ) {
echo $attachment_id;
}
}
/************************************************************************************************/
/* LOGIN */
/************************************************************************************************/
add_action( 'wp_authenticate', 'wp_authenticate_example' );
// Permet de se logger avec son email
function wp_authenticate_example( $username ) {
$user = get_user_by( 'email', $username );
if ( ! empty( $user->user_login ) ) {
$username = $user->user_login;
}
return $username;
}
//
add_action( 'login_form', 'login_form_example' );
function login_form_example() {
echo '<p><strong>Remember:</strong> You must enter your username, not your email address!</p>';
}
/************************************************************************************************/
/* LOGOUT */
/************************************************************************************************/
add_action( 'wp_logout', 'wp_logout_example' );
function wp_logout_example() {
wp_redirect( home_url() );
exit();
}
/************************************************************************************************/
/* USERS */
/************************************************************************************************/
// DELETE USER
add_action( 'delete_user', 'delete_user_example' );
function delete_user_example( $user_id ) {
global $wpdb;
$user_obj = get_userdata( $user_id );
$email = $user_obj->user_email;
$headers = 'From: ' . get_bloginfo( 'name' ) . ' <' . get_bloginfo( 'admin_email' ) . '>' . "\r\n";
$subject = 'You are being deleted, brah';
$message = 'Your account at ' . get_bloginfo( 'name' ) . ' has been deleted because of your totally uncool behaviors.';
wp_mail( $email, $subject, $message, $headers );
}
//
add_action( 'profile_update', 'profile_update_example' );
function profile_update_example( $user_id ) {
$site_url = get_bloginfo( 'name' );
$user_info = get_userdata( $user_id );
$user_name = $user_info->display_name;
$user_email = $user_info->user_email;
$subject = "Profile updated";
$message = "Hello $user_name,\n\nYour profile has been updated! Please contact us if you're not the one who changed your profile.\n\nThank you for visiting $site_name.";
wp_mail( $user_email, $subject, $message );
}
// Ajouter un colonne aux Users dans l'admin
add_action( 'manage_users_custom_column', 'manage_users_custom_column_example', 10, 3 );
add_filter( 'manage_users_columns', 'manage_users_columns_example' );
// create a new column named "Registration Date"
function manage_users_columns_example( $columns ) {
$columns['user_registered'] = __( 'Registration Date', 'theme-name' );
return $columns;
}
// fill the column cells with the registration dates
function manage_users_custom_column_example( $value, $column_name, $user_id ) {
if ( 'user_registered' == $column_name ) {
$userdata = get_userdata( $user_id );
return $userdata->user_registered;
}
}
/************************************************************************************************/
/* SEARCH */
/************************************************************************************************/
// Include custom post type In search results
add_action( 'pre_get_posts', 'pre_get_posts_example' );
function pre_get_posts_example( $query ) {
if ( ! is_admin() && $query->is_main_query() ) {
if ( $query->is_search ) {
$query->set( 'post_type', array( 'post', 'movie' ) );
}
}
}