This is more of a JavaScript the A WordPress Question but anyway, You can use the JavaScript onbeforeunload event something like: <script type=”text/javascript”> old = window.onbeforeunload; window.onbeforeunload = MyOnExit; function MyOnExit(){ //do your stuff here return old(); } </script>
Class names are case insensitive in PHP (with one exception), so that should not be a problem. Accessing your main plugin instance for a class is possible with a static method get_instance() (example). You don’t have to build a Singleton for that. And it should not break backwards-compatibility. If you had public methods in your … Read more
Not sure if this will be helpful to anyone else but the cause of the issue was a custom formatter the theme had: function my_formatter($content) { $new_content=””; $pattern_full=”{(\[raw\].*?\[/raw\])}is”; $pattern_contents=”{\[raw\](.*?)\[/raw\]}is”; $pieces = preg_split($pattern_full, $content, -1, PREG_SPLIT_DELIM_CAPTURE); foreach ($pieces as $piece) { if (preg_match($pattern_contents, $piece, $matches)) { $new_content .= $matches[1]; } else { $new_content .= wptexturize(wpautop($piece)); } … Read more
Here’s a great codex article on the topic of creating administration theme: http://codex.wordpress.org/Creating_Admin_Themes And back to your question, you will want to load different stylesheets for different user roles, so you have to check who the current user is. Pay attention, the check is done using current_user_can() function and checking for administrator is not being … Read more
1. Add a new rewrite rule: add_action(‘init’, function() { add_rewrite_rule(‘^dog/([^/]+)/?$’, ‘index.php?cat=dog&name=$matches[1]’, ‘top’); }, 10, 0); 2. Filter the post link: add_filter(‘post_link’, function($post_link, $post, $leave_name = false, $sample = false) { if ( is_object_in_term($post->ID, ‘category’, ‘DOG’) ) { $post_link = str_replace($post->ID . ‘-‘, ”, $post_link); } return $post_link; }, 10, 4); Try it in your functions.php. … Read more
The <br> tag is coming from wpautop(), which is one of a number of display filters added to the content via wp-includes/default-filters.php: // Display filters add_filter( ‘the_content’, ‘wptexturize’ ); add_filter( ‘the_content’, ‘convert_smilies’, 20 ); add_filter( ‘the_content’, ‘wpautop’ ); add_filter( ‘the_content’, ‘shortcode_unautop’ ); add_filter( ‘the_content’, ‘prepend_attachment’ ); add_filter( ‘the_content’, ‘wp_make_content_images_responsive’ ); … // Shortcodes add_filter( ‘the_content’, … Read more
You need to use wp_script_is in order to check if the library you are willing to use has already been included by another plugin. As you can see the handle is important, if you change it to whatEverIWant.js, it will not recognize the library.
Since the text is processed by _() function, then, of course, you can modify it using gettext filter. function change_update_notification_msg( $translated_text, $untranslated_text, $domain ) { if ( is_admin() ) { $texts = array( ‘There is a new version of %1$s available. <a href=”https://wordpress.stackexchange.com/questions/323927/%2$s” %3$s>View version %4$s details</a>.’ => ‘My custom notification. There is a new … Read more
Admin pages are basically spoken nothing else then a hook to a function, so it is technically not a problem to add your own pages without making use of the menu. I was not aware of an API function that allows you to register own pages with ease, but there is a helper function in … Read more
Below is the example of a couple of checkboxes to set custom field values: // register the meta box add_action( ‘add_meta_boxes’, ‘my_custom_field_checkboxes’ ); function my_custom_field_checkboxes() { add_meta_box( ‘my_meta_box_id’, // this is HTML id of the box on edit screen ‘My Plugin Checkboxes’, // title of the box ‘my_customfield_box_content’, // function to be called to display … Read more