How to stop the form data from being saved on error Actually, the “Settings saved.” message does not necessarily mean that the options/value in the database was actually updated — because if the old and new values were the same, means there were no changes, then the old value will not be re-saved or overwritten … Read more
check your sidebar.php and functions.php of the theme, the sidebar define the markup outside the widget; the function register_sidebar() defines the markup before content of the widgets; this markup you must change. See the codex for this function: codex register_sidebar() Edit Specifically, you need to look at the before_widget and after_widget parameters of the register_sidebar() … Read more
In WordPress the way of handling Ajax calls is a bit different the plain PHP but still very simple, all ajax calls should be to wp-admin/admin-ajax.php and you just define your own functions by hooks, Take a look at What’s the preferred method of writing AJAX in WordPress
I hacked the sh*t out of it. Here is my uggliest solution ever to a simple problem. I am not really happy with this, but it will have to do. For the sake of this example, I will use a custom post type called book and we’re gonna validate a field called ISBN. This solution … Read more
Is ‘sql injection’ already a part of that function or do I need to add my own code? When inserting input to the database you should use prepare method of WPDB class which supports both a sprintf() – like and vsprintf() -like syntax. read more at the codex Are there wordpress form input validation functions … Read more
I’d say, hook into pre_post_update and check what is given via $_POST…
WordPress doesn’t add the frameborder attribute. YouTube does. It’s part of their embed code. If you absolutely must remove it you can use the embed_oembed_html filter to modify the returned HTML: function wpse_308247_remove_frameborder( $html, $url ) { // If the URL to be embedded is from YouTube. if ( strpos( $url, ‘youtube.com’ ) !== false … Read more
There’s no reason a WordPress site can’t pass validation, it’s entirely up to the theme designer.
Ok, I’ve worked this out. You need to copy the complete first section of the `comment_form()’ from wp core. This is the code <?php function comment_form( $args = array(), $post_id = null ) { if ( null === $post_id ) $post_id = get_the_ID(); else $id = $post_id; $commenter = wp_get_current_commenter(); $user = wp_get_current_user(); $user_identity = … Read more
It’s used by sanitize_text_field function to Sanitize a string from user input or from the db.