plugin-development - Read For Learn

Add content to /wp-admin/plugin-install.php admin screens

Without extending the class, what can be done is adding a Custom Action Link: add_filter( ‘plugin_install_action_links’, ‘action_links_wpse_119218’, 10, 2 ); function action_links_wpse_119218( $links, $plugin ) { if( isset( $_GET[‘tab’] ) ) { switch( $_GET[‘tab’] ) { case ‘featured’: $links[‘my-action’] = “Tested up to <a href=”#”>{$plugin[‘tested’]}</a>”; break; case ‘popular’: $links[‘my-action’] = “Requires <a href=”#”>{$plugin[‘requires’]}</a>”; break; case … Read more

How to add multiple images to custom post type?

This may be an alternative for you. The Advanced Custom Fields plug in has an Image Field, which allows images to be uploaded and selected. You can set the field to show on your Custom Post Type pages and also integrate a line of code into your template file. You can create as many image … Read more

Avoiding plugin name collisions with WP updater

The way WordPress uses to find a plugin in repository is not public AFAIK. As per Otto answer in question you linked it involves plugin url header alongside plugin name. BTW, remove the plugin from the list of plugin to update is the best way to ensure this problem is not going to happen again: … Read more

Problem requiring/including plugin files with plugin_dir_path( FILE )

When using plugin_dir_path() like you do: plugin_dir_path( __FILE__ ); It does return something like: /var/www//wordpress/wp-content/plugins/your-plugin/ So it adds a trailing slash, because as the documentation states: It is a wrapper for trailingslashit( dirname( $file ) );. So remove the slash before the file in your calls: require_once plugin_dir_path( __FILE__ ) . ‘file.php’;

Allowing for multiple template views on the Gallery Settings page when using the Visual Editor

It appears that the templates live in script form <script type=”text/html” id=”tmpl-my-custom-gallery-setting”> To render the above template would require wp.media.template(‘my-custom-gallery-setting’)(view) Since we’re replacing the template: logic then all we need to do is store a list of template IDs. if (!wp.media.gallery.templates) wp.media.gallery.templates = [‘gallery-settings’]; wp.media.gallery.templates.push(‘my-custom-gallery-setting’); Then loop through all available views wp.media.view.Settings.Gallery = wp.media.view.Settings.Gallery.extend({ template: … Read more

What areas to Unit test while building a plugin?

Types of tests First, note that “unit testing” in WordPress generally goes beyond unit testing, and is more like functional/integration testing. This is more of a technical difference, but if you understand the difference between these different things, you may sometimes be confused by how WordPress “unit” tests things. When you ask what parts of … Read more

Getting old term value with edited_{$taxonomy} | Hook

You would need to use a hook before the term is updated, both edit_{$taxonomy} and edited_{$taxonomy} fire after, though you still may be able to use Term Cache I wouldn’t consider it reliable. Maybe try using the wp_update_term_data hook instead which gives you the current term before it gets updated, and the data that will … Read more

Managing two editable fields in gutenberg

Editable has been replaced with RichText in 2.2. Here’s a example of two RichText components being edit/saved together: const { __ } = wp.i18n; const { registerBlockType, RichText, } = wp.blocks; registerBlockType( ‘wtv/wtv’, { title: __( ‘wtv’, ‘wtv’ ), icon: ‘id’, category: ‘widgets’, keywords: [ __( ‘wtv’ ), __( ‘wtv’ ), __( ‘wtv’ ) ], … Read more

Does WP fire delete_post when trashed posts are automatically deleted?

Short answer Yes, it does 😉 Long answer The function that is used to empty the trash/remove trashed posts is called wp_scheduled_delete. When you’ll take a look at it’s code, you’ll see, that it uses wp_delete_post to delete the posts and inside wp_delete_post the action delete_post is run as you can see here.

Adding pre-publish checks with Gutenberg

This got me started. Set up the block with create-guten-block Gitub Update block.js to something like: import ‘./style.scss’; import ‘./editor.scss’; var PluginPrePublishPanel = wp.editPost.PluginPrePublishPanel; var registerPlugin = wp.plugins.registerPlugin; function Component() { wp.data.dispatch(‘core/editor’).lockPostSaving() //do stuff //wp.data.dispatch(‘core/editor’).unlockPostSaving() return wp.element.createElement( PluginPrePublishPanel, { className: ‘my-plugin-publish-panel’, title: ‘Panel title’, initialOpen: true, }, ‘Panel content’ ); } registerPlugin( ‘my-plugin’, { render: … Read more

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