validation Archives - Page 7 of 12

I am working on a login form and if the user enters invalid credentials we want to mark both the email and password ...

I have this form in my app and I will submit it via AJAX, but I want to use HTML5 for client-side validation. ...

I’m using the jQuery Tools Validator which implements HTML5 validations through jQuery. It’s been working great so far except for one thing. In ...

Is there any way to check file size before uploading it using JavaScript? 15 Answers 15

There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths, etc. How do I check whether a ...

I have a custom post type with several custom fields. I am looking to do some validation on these fields because they will ...

What I’m trying to do: Add new user meta fields that can be updated when the user edits their profile Validate them correctly ...

I recently built a theme that utilises the oEmbed feature in WordPress. Where possible, I like my themes to validate via W3C. The ...

I am creating a post from the front end using (shortened for brevity); if (empty($_POST...

If I use the wp_insert_post in a plugin, will I have to check the content for SQL injection problems and XSS or will ...