customization - Read For Learn

Is There A Hook To Process The Content Of The Text Widget?

Filter widget_text (for the text) widget_title (for the title) Example function add_smiley($content) { $new_content=””; $new_content.= $content . ‘:)’; return $new_content; } add_filter(‘widget_text’, ‘add_smiley’); Note that this works only for the content so not if you have a widget with only a title. Reference http://codex.wordpress.org/WordPress_Widgets https://stackoverflow.com/questions/1385954/do-wordpress-widget-or-sidebar-hooks-exist https://stackoverflow.com/search?q=wordpress+widget

Add a checkbox to post screen that adds a class to the title

Yes, that’s right, you need a Custom Meta Box that’ll create the checkboxes in the Post Editing screen. In this case, they are radio buttons, as we need only one value. The following is the code that creates it. Put it in your theme’s functions.php file or create a simple plugin so this becomes theme … Read more

Escaping quotes from shortcode attributes

It seems you are working on the wrong end. Try sanitizing the user input, for instance by means of sanitize_text_field, not the shortcode output.

Using filters and actions for plugin API?

Surely this approach has some benefits, but has also some issues. It’s not really easy to use If the target of your plugin are WordPress developers, they will be very familiar with plugin API, but end users are not. For a non-developer, something like: $data = give_me_the_data(); It’s easier to understand, remember and type than: … Read more

Verify nonce in REST API?

You should pass the special wp_rest nonce as part of the request. Without it, the global $current_user object will not be available in your REST class. You can pass this from several ways, from $_GET to $_POST to headers. The action nonce is optional. If you add it, you can’t use the REST endpoint from … Read more

What is the quickest way to make a widget?

The Widgets API is the quickest way to make a widget that’s reusable. Example use: class My_Widget extends WP_Widget { /** * PHP4 constructor */ function My_Widget() { My_Widget::__construct(); } /** * PHP5 constructor */ function __construct() { // actual widget processes } /** * Echo the settings update form * * @param array $instance … Read more

How to customize the default HTML for WordPress Attachments

I want to change the default HTML code structure so that I can insert additional tags Run a filter on img_caption_shortcode, you can find that hook in the source here. http://core.trac.wordpress.org/browser/tags/3.0.1/wp-includes/media.php#L720 Example add_filter( ‘img_caption_shortcode’, ‘my_caption_html’, 10, 3 ); function my_caption_html( $current_html, $attr, $content ) { extract(shortcode_atts(array( ‘id’ => ”, ‘align’ => ‘alignnone’, ‘width’ => ”, … Read more

Change the login button on the login page

The “Log In” string is passed to the translation function, and you can filter that. To prevent needing to filter every little string, you can activate this filter right before the login form is printed. add_action( ‘login_form’, ‘wpse17709_login_form’ ); function wpse17709_login_form() { add_filter( ‘gettext’, ‘wpse17709_gettext’, 10, 2 ); } function wpse17709_gettext( $translation, $text ) { … Read more

Hide admin notices/notifications from everyone but super admin?

Try this code in your custom plugin which is better to activate for the network. if ( !is_super_admin() ) { remove_all_actions(‘admin_notices’); }

How to delete the Hello Dolly plugin automatically?

While I appreciate the idea, isn’t this just replacing one plugin with another? Rarst’s link already has the answer — it just needs to be reworked a bit to check for the plugin periodically, like so: function goodbye_dolly() { if (file_exists(WP_PLUGIN_DIR.’/hello.php’)) { require_once(ABSPATH.’wp-admin/includes/plugin.php’); require_once(ABSPATH.’wp-admin/includes/file.php’); delete_plugins(array(‘hello.php’)); } } add_action(‘admin_init’,’goodbye_dolly’); Slap that into your functions.php file (in … Read more

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