Add an array and choose one for the value. add_action(‘draft_post’, ‘add_custom_field’); function add_custom_field($post_ID) { global $wpdb; if(!wp_is_post_revision($post_ID)) { $colors = array(‘white’, ‘green’, ‘blue’); add_post_meta($post_ID, ‘random_color’, $colors[array_rand($colors, 1)], true); } } 2 solved Create custom field on post draft or publish?
This will create a metabox for you to enter a video code. //Creating a MetaBox for Posts to enter Video Code. add_action(‘add_meta_boxes’,’video_meta_box’); function video_meta_box(){ add_meta_box(‘video_box_id’, ‘Enter Video ‘ , ‘video_box_cb’,’post’,’normal’,’default’); } function video_box_cb($post){ $value = get_post_meta($post->ID,’video_box’,true); echo ‘<textarea rows=”4″ cols=”50″ id=”video_box”, name=”video_box”>’; echo $value; echo ‘</textarea>’; } add_action(‘save_post’,’save_video_box’); function save_video_box($post_id){ $box_data = $_POST[‘video_box’]; update_post_meta($post_id,’video_box’,$box_data); } … Read more