Check this page out, http://codex.wordpress.org/Plugin_API It contains links to Actions (Codex Action Reference) Filters (Codex Filter Reference) Also check Adam Brown’s WordPress Hooks Database,
Don’t do that, use wp_enqueu_style with wp_register_style and wp_deregister_style http://codex.wordpress.org/Function_Reference/wp_enqueue_style http://codex.wordpress.org/Function_Reference/wp_register_style Also a $priority of 20k..why would you pick such an arbitrary number.
You’re simply missing the return print or echo statement (instead of just return).
Please go through the code below. I have tried and tested 🙂 /** * Adds a box to the side column on the Order edit screens. * It checks if the order status is completed & then adds meta box. */ function add_drivers_meta_box() { global $current_screen; /* In the second condistion below, please change it … Read more
Try to use filter like add_filter(‘the_title’, ‘new_title’, 10, 2); function new_title($title, $id) { if(‘your-post-type’ == get_post_type($id)) $title=”Add your DIV block here”; $title .= $title; return $title; }
The hook you want is create_{$taxonomy}. E.g. add_action(‘create_category’, ‘my_theme_do_something’, 10, 2); function my_theme_do_something($term_id, $taxonomy_term_id){ // do some things }
Just to answer the title Apply function on all action hooks? isn’t that hard, when you know where to look: add_action( ‘all’, ‘callback_function’ );
You can try using hook the validate_password_reset to validate password. Following code can be used to validate alphanumeric password. add_action(‘validate_password_reset’,’wdm_validate_password_reset’,10,2); function wdm_validate_password_reset( $errors, $user) { $exp = ‘/^(?=.*\d)((?=.*[a-z])|(?=.*[A-Z])).{6,32}$/’; if(strlen($_POST[‘pass1’])<6 || !preg_match($exp, $_POST[‘pass1’]) ) $errors->add( ‘error’, ‘Password must be alphanumeric and contain minimum 6 characters.’,”); }
Since the DOM elements on the frontpage will never change once the site is finished, the solution I came up with, was to find the div that I wanted to follow with my plugin content using javascript, and then just append my html content to the end of div like the following: $imageMap = “<div … Read more
The documentation is well explicable of the topic, let’s have a look here https://developer.wordpress.org/reference/functions/apply_filters/. In your specific case my_filter is applied no matter what, even if there is no value it. To apply the filter only if is_array() you could insert a specific instruction directly into your filter like: function example_callback( $output ) { if(is_array($output)){ … Read more