Maybe the problem could be that you dont show properly the value of the custom field, try this:
echo '<textarea rows="5" cols="220" name="custom_product_input" id="custom_product_input">' . $text . '</textarea>';
Related Posts:
- Passing error/warning messages from a meta box to “admin_notices”
- Add “upload media” button in meta box field
- get registered metaboxes by post type or post ID
- How to get meta box data to display on a page
- esc before saving or before displaying does it matter?
- Add a meta description to home page?
- Check if meta key value already exists
- get_post_meta doesn’t work
- Metabox of one post influence setting on other
- How to store multiple input values with same meta_key
- Consolidate Metaboxes into 1 Big Metabox
- unable to save post meta on single field with multiple selects
- metabox upload file
- Why is variable value emptry in $_POST but available in $_REQUEST?
- Why does get_post_meta not work with the posts page?
- How to get meta box values – WP tuts tutorial
- Change the post date from a meta box
- update_post_meta and get_post_meta not working
- Repeatable custom meta fields
- how to save multiple checkboxes value in wordpress dynamically
- Using WYSIWYG In custom meta boxes
- Multiplicate entry on update_post_meta
- Undefined index error in custom post metabox
- Custom Meta box only returns most recent value on page
- How to prevent further updates of custom meta when using actions to set one meta based on another
- How to create a button click counter meta box?
- meta box & callback function
- $_GET & $post_ID
- get_post_meta as a list for drop down search filter
- Parse a text area custom meta box and assign as value to existing meta keys
- Getting metabox value?
- Hide Page Title with Post Meta
- Save meta data with post, Without using any plugin [closed]
- Editor meta box Showing but not saving
- How can i get multi checkboxes value in metbox?
- Show value of select dropdown in meta box
- remove a single post_meta
- Echo 2 values from one key in Array with get_post_custom
- save radio button selection in post-meta on submit
- post meta – problem : copy the same meta for all the articles
- Custom Meta Data is not being saved
- Update Post Meta in Front End with a form
- Update Post meta with custom variable
- get_post_meta not working on my custom-function page
- Removing Meta Generator
- Only allow one meta key value per post in a category
- use post meta in add_meta_boxes action
- Custom meta box not saving values of radio buttons in WordPress
- Can’t save drop down select date in meta boxes
- update_post_meta does not work
- add_post_meta not saved
- when saveing $meta_box i get Undefined index error
- Updating post meta and Meta Box plugin
- Related posts and custom meta_box?
- Select Options Meta Data is Not Updating in Edit Meta Box
- How to display meta box data using “Meta boxes as needed”
- Metadata in loops
- Allow iframe in custom meta box
- Calling Data from Custom Meta Box
- How can i remove blank area caused by theme’s post meta boxes?
- Datepicker altField and altFormat to save a new meta key/value in a post?
- My meta box don’t want to save value
- CPT posts in drop downed in meta box on page doesn’t return post ID
- How do I remove all the metaboxes for a custom post type?
- Editing Screen: Make Update or Publish Button Follow The Page
- Custom meta box shown when template is chosen [duplicate]
- Modifying the main editor priority
- How to make a meta box field a requirement
- How to remove the RichText Meta Box
- Meta box io oembed returns list not array
- Add a custom field to top attribute in WooCommerce
- wp_editor in metabox not working
- Select box saves but doesn’t update value in admin
- retrieve meta key when checkbox is used
- Add Meta Box not showing on New Post – Custom meta box not showing
- How to display a custom post type’s media library inline on meta box
- Modules with meta box implementations
- Create Multiple File Upload Metabox in WordPress
- Show preview of post changes on page
- Add Metabox to settings / options page
- Meta Box will not display
- How to disable Author dropdown in Gutenberg’s Status and Visibility panel
- Display Content if custom meta box checkbox is checked
- Error showing in current page id in wordpress admin
- Image not showing using a custom function and get_post_meta
- Output list from each line of metabox (shortcode)
- Hybrid meta box, how to show?
- Add a meta field to the list of results for a custom post type
- Include doesn’t work, getting strange path: (/usr/local/php53/lib/php) – Whats wrong? (WPAlchemy)
- Custom meta box data in rss feed
- How using the Meta Box plugin, to filter posts by the value of a post type field?
- Why is $_POST empty when saving custom Meta Box?
- metabox dosn’t save with checkbox of post_type values order by taxonomy
- Custom field metabox not showing in back-end
- Meta Box – Javascript Datatable
- Metabox on a custom page – How to include the appropriate default scripts and styles?
- custom metabox nonce verification fails
- Extensible add_meta_box with apply filters
- Best practices for meta box placement?
- Saving an upload media meta box field