If your form is embedded in a shortcode or some other front end form, I would post to the permalink for the page. That’s more reliable than using action=”” in my experience. Then output something on that page to acknowledge the submission or show an error. $global $post; printf(‘<form method=”post” action=”%s”>’,get_permalink($post->ID)); or in for a … Read more
On this line: add_action(‘admin_menu’, array($this, ‘create_menu_item’)); You are correctly passing the create_menu_item method of the current class to callback argument of the add_action() function. You just need to apply the same principle for the callbacks in the add_menu_page() function: add_menu_page( $value->post_title, $value->post_title, ‘manage_options’, $value->post_name.’-admin-page.php’, array( $this, ‘create_admin_page’ ), // <– Here ‘dashicons-location-alt’, 6 ); This … Read more
to pass a variable from JavaScript to the AJAX call, you have to put the message in the data : data : {“message” : “my message”} and you retrieve it in the PHP code : function testAJAX() { $returnArray = array(); $returnArray[‘message’] = $_POST[“message”]; wp_send_json($returnArray); } you can read about the use of wp_send_json here … Read more
Relying on code which is in other plugins and themes is problematic. The major problem is with being sure that the plugin is actually active as otherwise your code is just going to break the site. You can check that a class or function exists before using it, but if your functionality depends on their … Read more
I found my solution. Problem of hrefs when the wordpress core did not find the function callback or it’s empty for the functions add_menu_page() and add_submenu_page() the href wil be generated like this : http(s)://my-site.org/wp-admin/my-slug-page, otherwise the href is in this format : http(s)://my-site.org/wp-admin/admin.php?page=my-slug-page So In my case, I had to be sure the functions … Read more
How to set a public variable in someone else’s plugin class
Sally CJ raises a good point in their comment that it is probably better to have each class initialize its own actions and filters. I’ve been working with the same boiler plate for some time now and created my own version of this boiler plate on GitHub. In that version I have a Back\Hooks and … Read more
How to do a sql like query on serialized data of user meta data
Don’t filters violate the a class’ local variables visibility rules?
Does &$this is really disallowed to use anywhere?