I succeeded in this, but it is a mess. Basically, the walker should have the following parameters: $this->db_fields[‘parent’] = ‘post_parent’; $this->db_fields[‘id’] = ‘ID’; But, to get that in place, you need to rip out the existing metabox callback, copy it, change one line so you get an extra filter, and place it back. Then you … Read more
You cannot do a sort on the attachment meta data specifically because it’s stored in a serialized string. Whilst WP_Query can sort on meta values it can’t sort on data that’s serialized. For example wp_get_attachment_metadata fetches and unserializes that for you inside the column callback, but MySQL queries can’t sort on that type of data. … Read more
Yes, it is possible to remove the custom colors option from tinyMCE. WordPress bundles a tinyMCE plugin to handle the custom colors functionality. The tiny_mce_plugins filter can be used to remove this bundled plugin which is identified by the key colorpicker. Note that removing the custom colors option will not affect users’ ability to select … Read more
Solution 1 Here’s a solution that uses pre_get_posts action to override the original search query and search by post ID instead. This is the approach that I would generally recommend. /** * Allows posts to be searched by ID in the admin area. * * @param WP_Query $query The WP_Query instance (passed by reference). */ … Read more
I’d suggest disabling script concatenation and/or compression to see if that helps. You can do this by adding the following to the wp-config.php file: define( ‘CONCATENATE_SCRIPTS’, false ); define( ‘COMPRESS_SCRIPTS’, false ); And maybe even script debugging to.. define( ‘SCRIPT_DEBUG’, true ); Are you using any caching plugins? EDIT: The most common reason for seeing … Read more
The in_admin_header action may be used to insert content before <div id=”wpbody”> in the wordpress backend. See Line 101 of /wp-admin/admin-header.php (line number as of version 3.3.2) Further reading on actions: Action Reference, codex
How to hide WordPress update mesages CSS The low-tech way to hide something is using css: // Low-tech hiding of update-mesages // source: http://wpsnipp.com/index.php/functions-php/hide-update-nag-within-the-admin/ function remove_upgrade_nag() { echo ‘<style type=”text/css”> .update-nag {display: none} </style>’; } add_action(‘admin_head’, ‘remove_upgrade_nag’); This more-or-less works, but it is a lot of work to find al the places WordPress shows messages. … Read more
To remove the comments menu from the top admin bar you can use the $wp_admin_bar global and the remove_menu() method like this: function my_admin_bar_render() { global $wp_admin_bar; $wp_admin_bar->remove_menu(‘comments’); } add_action( ‘wp_before_admin_bar_render’, ‘my_admin_bar_render’ ); As for changing the icon on the settings section of the left admin menu, you can modify the dashicon that is used … Read more
While coding a custom login page, one needs to take care of the errors, else WordPress would redirect the page to /wp-admin or wp-login.php on wrong passwords or empty credentials. Please follow the below to solve this issue:– Please use the below in your theme’s functions.php file:- /** * Function Name: front_end_login_fail. * Description: This … Read more
Try these filters instead // changing the logo link from wordpress.org to your site function mb_login_url() { return home_url(); } add_filter( ‘login_headerurl’, ‘mb_login_url’ ); // changing the alt text on the logo to show your site name function mb_login_title() { return get_option( ‘blogname’ ); } add_filter( ‘login_headertitle’, ‘mb_login_title’ ); Though if you’re on a Network/MultiSite … Read more