I’ve taken you example and reduced it to this functioning test case: class ClassOne { public static function do_something() { do_action( ‘my_action_1’ ); do_action( ‘my_action_2’ ); } } class ClassTwo { function __construct() { add_action( ‘my_action_2’, [ $this, ‘my_action_2’ ] ); add_action( ‘my_action_1’, [ $this, ‘my_action_1’ ] ); } public function my_action_2() { print “My … Read more
Its the woocommerce_get_shop_coupon_data filter, example code: add_filter ( ‘woocommerce_get_shop_coupon_data’, ‘mp_create_coupon’, 10, 2 ); function mp_create_coupon( $data, $code ) { // Check if the coupon has already been created in the database global $wpdb; $sql = $wpdb->prepare( “SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type=”shop_coupon” AND post_status=”publish” ORDER BY post_date DESC LIMIT 1;”, $code … Read more
What is the best filter where to use register_block_type?
From the OPs edit moved to an answer. I found an answer, also not a straight path, I’m sure there’s a better way to do this. basically I use a little helper method that queries the SQL with the meta_id and return the post_id: <?php function get_key_by_id( $meta_ids ) { global $wpdb; $meta_ids = absint( … Read more
You should read this: Activation/Deactivation hook for wordpress theme
build the url parameters something like this : ?post_type[]=event&post_type[]=feature&post_type[]=brief Then $searchposttypes = $_GET[‘post_type’] will have an array. pass it on to the wp_query i should add that you should validate the $_GET parameters before going on with it. reference : wp_query – type parameters
You should be able to use this function to delay the RSS feed as long as you desire. (example, 48 hours or every two days) // delay feed update function publish_later_on_feed($where) { global $wpdb; if (is_feed()) { // timestamp in WP-format $now = gmdate(‘Y-m-d H:i:s’); // value for wait; + device $wait=”10″; // integer // … Read more
Get the url of a specific admin page (e.g. the settings page (options-general.php)): admin_url( ‘options-general.php’ ) Codex admin_url() Adding query arguments to an url: $params = array( ‘page’ => $_REQUEST[‘page’], ‘action’ => ‘edit’, ‘rls_element’ => $item[‘rls_name’] ); $url = add_query_arg( $params, $org_url ); Codex add_query_arg() Put a and b together: $params = array( ‘page’ => … Read more
For AJAX you need to hook into the wp_ajax_{action} hook Specifically, add_action(‘wp_ajax_my_action’, ‘my_action_callback’); add_action(‘wp_ajax_nopriv_my_action’, ‘my_action_callback’); See http://codex.wordpress.org/AJAX_in_Plugins
For those of you who may be wondering what this does – I have figured it out. When a new function is added to an action/filter hook, it is added at the end of the array. However, WordPress specifies that those functions are to be executed by priority. When a function is added, merged_filters is … Read more