filters - Read For Learn

Replace audio links with jplayer using the_content filter

You well need to add a filter to the_content and alter the markup. This should replace the markup for <a> tags having URLs ending in .mp3, which you mentioned specifically in a comment. function replace_audio_link_cb_105555($match) { if (!empty($match[1]) && ‘.mp3’ == substr($match[1],-4)) { $your_long_block_of_markup = ‘<div id=”jquery_jplayer_#uniqueid” class=”jp-jplayer”></div> <div id=”jp_container_#uniqueid” class=”jp-audio”>… and so on …</div>’; … Read more

Make WP not format code, not insert line breaks in between tags

Filter pre_get_posts does not modify Mine/All/Pending

Add Lightbox To WordPress Native Gallery

By default there is a difference in the HTML output for images inserted alone or via . A direct image link will output an <a href=””> to an actual image mime type, like: <a href=”https://wordpress.stackexchange.com/questions/119659/some-image.jpg”> An attachment <a href=””> outputs an attachment URI like: <a href=”https://wordpress.stackexchange.com/questions/119659/some-link?attachment_id=126″ or ../attachment/2013/ As for a filter I don’t think … Read more

WooCommerce Custom Product Validation [closed]

I was able to discover the problem. It appears that the Gravity Forms add-on has its own validation which does not check the status of validation prior to perform its own logic. Therefore, any previous validation that had failed would not trip the Gravity Forms validation, therefore allowing Gravity Forms to validate and removing them … Read more

WordPress custom admin notice still displays after wp_insert_post_data validation

Proper after_setup_theme and wp_head cleanup

What you should do: Read Where to put my code: plugin or functions.php? and apply the lessons to your theme. Themes are for presentation only. Remove everything not related to presentation: do not touch link and meta elements in the header. That’s plugin territory. Remove redundant code. add_theme_support(‘menus’); is not necessary, if you call register_nav_menus(). … Read more

Filtering the post list in the admin area

I would suggest using post_submitbox_misc_actions action as shown in the below example to provide an option for Publish meta-box. <?php add_action( ‘post_submitbox_misc_actions’, ‘my_post_submitbox_misc_actions’ ); function my_post_submitbox_misc_actions(){ ?> <div class=”misc-pub-section my-options”> <label for=”my_custom_post_action”>My Option</label><br /> <select id=”my_custom_post_action” name=”my_custom_post_action”> <option value=”1″>First Option goes here</option> <option value=”2″>Second Option goes here</option> </select> </div> <?php } ?> Once used for … Read more

How to filter backend post list showing only posts having a shortcode

AFAIK that sort of hook does not exists. You have 2 choiches: use ‘post_class’ filter hook, check if in admin and if the query string contain a shortcode and if so and if the post has not that shortcode add hidden class that via core admin CSS is set to display: none. In this way … Read more

Formatting get_post content doesn’t allow JS content to function properly

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