customization - Read For Learn

display image size in media library screen

Code based on Custom Sortable Columns add_filter(‘manage_upload_columns’, ‘size_column_register’); function size_column_register($columns) { $columns[‘dimensions’] = ‘Dimensions’; return $columns; } add_action(‘manage_media_custom_column’, ‘size_column_display’, 10, 2); function size_column_display($column_name, $post_id) { if( ‘dimensions’ != $column_name || !wp_attachment_is_image($post_id)) return; list($url, $width, $height) = wp_get_attachment_image_src($post_id, ‘full’); echo esc_html(“{$width}×{$height}”); }

What is the best way to customise admin files so they survive future upgrades?

Don’t edit core WP files. Use the provided filters instead. For instance, have a look at the manage_$posttype_posts_columns filter.

Updating WordPress overwriting customization tweaks – strategies?

Very simple : if you use the default template, rename it folder name and css file declaration) and it won’t be updated. If you want the updates (for instance the Twenty One is often updated), create a child theme. Infos here : http://codex.wordpress.org/Child_Themes

How to make a script load after Custom Block is loaded in the editor?

I couldn’t find a built in ACF way of doing this. Instead, in my block’s PHP render function I added printf( “<script>window.jQuery(window).trigger(‘acf/loaded/block-name’);</script>” ); This uses jQuery as an event bus to trigger an event when the block is rendered. You might need to include a check that you’re in the admin so the event won’t … Read more

Search Custom Post Type Pages and Custom Fields in 2 Dropdowns?

Looks like this question is a several months old, but it’s a good one so I’m digging it out of the grave. The way I would go about solving it would be to intercept any searches with the pre_get_posts filter and add in the meta query based on the provided information. Here’s a basic shot … Read more

Using Images in WordPress – Best Practices

I guess from the question you are asking, is there a way to code the image url that is better than typing in the whole url? This is what I do, to ensure that if the domain name ever changes…(which they do in my work because I always build the sites on a project domain … Read more

Server side validation

You can capture the form submission by creating a small plugin / or by editing your theme functions file, and you can do this using a ajax hook. In the plugin you would load this on the edit post page: jQuery(document).ready(function(){ jQuery(‘#post’).submit(function(){ var request = jQuery(this).serializeArray(); request.push({name: ‘action’, value: ‘check_some_stuff’}); jQuery.post(ajaxurl, request, function(response){ if(response.error){ response … Read more

Loading media on local WordPress using remote database

Somewhere in the core, URLs get absolutely pathed when put into the database. Why don’t you just load all your images from your staging server? Have the staging server hold the files while your local mirrors it. Add the following to your .htaccess to your local uploads folder and the contents are as follows: # … Read more

How to integrate a PHP webmail script into the backend of WordPress?

You could register a custom menu page and then use an iframe for the webmail as an output for this. To secure your /webmail URL you can set access-controls within your .htaccess file to only allow your website address to access the path.

WordPress Custom Post Types with a page as a parent?

There are way’s to get around it to create this kind of grouping or relationship: “manually” – set the post_parent field to the parent ID (by manually i mean code something that will do that for you when you publish a CPT). Using a shared custom taxonomy to create a grouping of posts and you … Read more

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