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Add column to admin posts table
Adds a column to the admin posts table for custom post types, in this example showing date last modified.
add_action( 'manage_posts_custom_column', function( $column, $post_id ) {
switch( $column ) {
case 'modified':
$post_modified = get_post_field( 'post_modified', $post_id, 'raw' );
$post_modified = strtotime( $post_modified );
echo date( 'Y/m/d h:i a', $post_modified );
break;
}
}, 10, 2 );
add_filter( 'manage_edit-post_columns', function( $columns ) {
$columns['modified'] = 'Last Modified';
return $columns;
} );Instructions for Add column to admin posts table
- Log into a staging or locally hosted clone of your site.
- Install and activate Code Snippets plugin.
- WP Admin > Snippets > Add New
- Copy and paste the code from the section above.
- Check to ensure formatting came over properly.
- Customize the code as desired.
- Add a meaningful title.
- Select whether to run on front-end or back-end (or both).
- Click “Save and Activate”.
- Test your site to ensure it works.
- Disable if any problems, or recover.
- Repeat for live environment.
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License
All code snippets are licensed GPLv2 (or later) matching WordPress licensing.
Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
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