ID;
}
$value = get_post_meta( $post_id, 'nnfy_gallery_images_src', true );
$images = unserialize($value);
$result = array();
if (!empty($images)){
foreach ($images as $image){
$result[] = $image;
}
}
return $result;
}
if ( is_admin() ){
add_action('load-post.php', 'NNfy_Meta_Boxes');
add_action('load-post-new.php', 'NNfy_Meta_Boxes');
}
/**
* NNfy_Meta_Boxes
*/
class NNfy_Meta_Boxes
{
var $post_types = array();
/**
* Initialize Meta boxes
*/
public function __construct(){
$this->post_types = array( 'post' ); //limit meta box to certain post types
add_action('add_meta_boxes', [ $this, 'add_meta_box' ] );
add_action('save_post', [ $this, 'save' ] );
add_action('admin_enqueue_scripts', [ $this, 'enqueue_scripts' ] );
}
/**
* Adds the meta box container.
*/
public function add_meta_box($post_type){
if ( in_array( $post_type, $this->post_types ) ){
add_meta_box(
'nnfy_post_custom_meta_boxes',
esc_html__('Post Editional Information', '99fy'),
[ $this, 'render_meta_box_content' ],
$post_type,
'advanced',
'high'
);
}
}
/**
* Save the images when the post is saved.
*
* @param int $post_id The ID of the post being saved.
*/
public function save( $post_id ){
// Check if our nonce is set.
if (!isset($_POST['nnfy_post_custom_box_nonce'])){
return $post_id;
}
$nonce = $_POST['nnfy_post_custom_box_nonce'];
// Verify that the nonce is valid.
if (!wp_verify_nonce($nonce, 'nnfy_custom_box')){
return $post_id;
}
// If this is an autosave, our form has not been submitted,
// so we don't want to do anything.
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE){
return $post_id;
}
// Check the user's permissions.
if (!current_user_can('edit_post', $post_id)){
return $post_id;
}
/* OK, its safe for us to save the data now. */
// Validate user input.
$posted_images = $_POST['nnfy_gallery_images_src'];
$posted_video_url = $_POST['nnfy_video_link'];
$posted_audio_url = $_POST['nnfy_audio_link'];
$posted_city_text = $_POST['nnfy_city_text'];
// Update the nnfy_gallery_images_src meta field.
$nnfy_gl_images = array();
if ( !empty( $posted_images ) ){
foreach ($posted_images as $image_url){
if ( !empty( $image_url ) ){
$nnfy_gl_images[] = esc_url_raw ( $image_url );
}
}
}
update_post_meta( $post_id, 'nnfy_gallery_images_src', serialize( $nnfy_gl_images ) );
// Update the nnfy_video_link meta field.
update_post_meta( $post_id, 'nnfy_video_link', esc_url_raw( $posted_video_url ) );
// Update the nnfy_audio_link meta field.
update_post_meta( $post_id, 'nnfy_audio_link', esc_url_raw( $posted_audio_url ) );
// Update the nnfy_city_text meta field.
update_post_meta( $post_id, 'nnfy_city_text', sanitize_text_field( $posted_city_text ) );
}
/**
* Render Meta Box content.
*
* @param WP_Post $post The post object.
*/
public function render_meta_box_content($post){
// Add an nonce field so we can check for it later.
wp_nonce_field('nnfy_custom_box', 'nnfy_post_custom_box_nonce');
// Use get_post_meta to retrieve an existing value from the database.
$gallery_img_value = get_post_meta( $post->ID, 'nnfy_gallery_images_src', true );
$video_link_value = get_post_meta( $post->ID, 'nnfy_video_link', true );
$audio_link_value = get_post_meta( $post->ID, 'nnfy_audio_link', true );
$quote_city_value = get_post_meta( $post->ID, 'nnfy_city_text', true );
?>