Edit your single.php or single-post.php template, depending on which one is present and in use with your theme. The JS file should be registered and conditionally enqueued when the template is loaded. This allows for dependency management and lots of other easy management actions. Another way to consider is make your menu an actual WordPress … Read more
Problem lies in this line: remove_action(‘woocommerce_before_my_account’, array( $this, ‘my_packages’)); This won’t remove action registered by parent class, because $this is a different object in this case, so you won’t remove any action at all. So how to remove such action? Since you can’t access the same $this value in your class, you’ll have to iterate … Read more
To do this you would indeed have to include some code in the functions.php of your theme. You can use admin_notices to add a note to this specific page like this: add_action( ‘admin_notices’, ‘wpse332074_donotedit’ ); function wpse332074_donotedit () { $screen = get_current_screen(); if ($screen->post_type == ‘page’) { $variable = $_GET[‘post’]; if ($variable == id_of_page_as_integer) { … Read more
There’s a second argument passed to the_title filter, which is the ID of the post the filter is currently operating on. This is important, as you’ve discovered, because the filter runs any time a title is output- in a menu item, widget, any secondary query, etc., so you need to check if that post ID … Read more
If we take your code at face value, there are some consequences: it runs on every request, be that a page, an AJAX call, a REST API request, even XMLRPC It’s a super expensive post query that involves post meta, with no upper limit on the number of results You are filtering a post query … Read more
One possible way could be to use PHP’s output buffering via ob_start() like so ob_start(); do_action(‘my_hook’); $content = ob_get_contents(); ob_end_clean(); if (empty($content)) { // no output generated } else { // had some output }
Activation hook is run only after the plugin get activated. So only once and only during that one request. It’s meant to allow author of a plugin to perform some actions after the plugin is activated. Actions, that need to be done only once. For example if your plugin uses custom database table – you … Read more
The do_action() function executes any code that’s been hooked with add_action(). The only reason your function_save_custom_form_data() function runs is because the WP Forms plugin has added a call to do_action() inside its code. So what using do_action() in a theme or plugin does is allow other plugins or themes to run code during its processes. … Read more
Is it possible to bind a function to a filter hook via Ajax? No, because page requests are self contained. When you request something from PHP, everything gets loaded from a fresh clean slate. At the end of the request, that slate is discarded. This is different from say a Node application that is always … Read more
What about using WordPress Options API to store a flag whether it is the first switch or not: https://codex.wordpress.org/Options_API <?php add_action(‘after_switch_theme’, ‘setup_theme_options’); function setup_theme_options () { if(get_option(‘first_theme_activation’) === false){ // Set a flag if the theme activation happened add_option(‘first_theme_activation’, true, ”, false); // stuff here only runs once, when the theme is activated for the … Read more