Wordpress add_meta_box() weirdness
- by Scott B
The code below is working nearly flawlessly, however my value for page title on one of my pages keeps coming up empty after a few page refreshes... It sticks for awhile, then it appears to reset to empty. I'm thinking I must have a conflict in the code below, but I can't quite figure it.
I'm allowing the user to set a custom page title for posts as well as pages via a custom "post/page title input field). Can anyone see an obvious issue here that might be resetting the page title to blank?
// ===================
// = POST OPTION BOX =
// ===================
add_action('admin_menu', 'my_post_options_box');
function my_post_options_box() {
if ( function_exists('add_meta_box') ) {
//add_meta_box( $id, $title, $callback, $page, $context, $priority );
add_meta_box('post_header', 'Custom Post Header Code (optional)', 'custom_post_images', 'post', 'normal', 'low');
add_meta_box('post_title', 'Custom Post Title', 'custom_post_title', 'post', 'normal', 'high');
add_meta_box('post_title_page', 'Custom Post Title', 'custom_post_title', 'page', 'normal', 'high');
add_meta_box('postexcerpt', __('Excerpt'), 'post_excerpt_meta_box', 'page', 'normal', 'core');
add_meta_box('categorydiv', __('Page Options'), 'post_categories_meta_box', 'page', 'side', 'core');
}
}
//Adds the custom images box
function custom_post_images() {
global $post;
?>
<div class="inside">
<textarea style="height:70px; width:100%;margin-left:-5px;" name="customHeader" id="customHeader"><?php echo get_post_meta($post->ID, 'customHeader', true); ?></textarea>
<p>Enter your custom html code here for the post page header/image area. Whatever you enter here will override the default post header or image listing <b>for this post only</b>. You can enter image references like so <img src='wp-content/uploads/product1.jpg' />. To show default images, just leave this field empty</p>
</div>
<?php
}
//Adds the custom post title box
function custom_post_title() {
global $post;
?>
<div class="inside">
<p><input style="height:25px;width:100%;margin-left:-10px;" type="text" name="customTitle" id="customTitle" value="<?php echo get_post_meta($post->ID, 'customTitle', true); ?>"></p>
<p>Enter your custom post/page title here and it will be used for the html <title> for this post page and the Google link text used for this page.</p>
</div>
<?php
}
add_action('save_post', 'custom_add_save');
function custom_add_save($postID){
// called after a post or page is saved
if($parent_id = wp_is_post_revision($postID))
{
$postID = $parent_id;
}
if ($_POST['customHeader'])
{
update_custom_meta($postID, $_POST['customHeader'], 'customHeader');
}
else
{
update_custom_meta($postID, '', 'customHeader');
}
if ($_POST['customTitle'])
{
update_custom_meta($postID, $_POST['customTitle'], 'customTitle');
}
else
{
update_custom_meta($postID, '', 'customTitle');
}
}
function update_custom_meta($postID, $newvalue, $field_name) {
// To create new meta
if(!get_post_meta($postID, $field_name)){
add_post_meta($postID, $field_name, $newvalue);
}else{
// or to update existing meta
update_post_meta($postID, $field_name, $newvalue);
}
}
?>
