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IT Nursery > News > validation

validation

WordPress
IT Nursery

How to Debug the ‘save_post’ Action?

Is it possible to validate PHP code? I have a Custom Post Type (Film) with Custom Meta Boxes. Everything is working fine, I ...
  • April 30, 2022
  • 0 Comments

Which characters make a URL invalid?

Which characters make a URL invalid? Are these valid URLs? example.com/file[/].html http://example.com/file...
  • April 30, 2022
  • 0 Comments
WordPress
IT Nursery

Check for and enforce unique value in user-entered custom meta field in WP Admin

I am trying to figure out how, on a new or edit post screen, to allow the user to enter a custom meta-item, ...
  • April 28, 2022
  • 0 Comments
WordPress
IT Nursery

is_email() VS sanitize_email()

If I’m allowing a user to enter an email address to be saved into the database, should I use is_email() or sanitize_email()? Ex. ...
  • April 27, 2022
  • 0 Comments
WordPress
IT Nursery

Replacing the WordPress password validation

I have a custom application with thousands of users who already have a password stored. I would like to set up a self ...
  • April 26, 2022
  • 0 Comments
WordPress
IT Nursery

Validation error: Extending Gutenberg gallery block

I am trying to extend the Gutenberg core/gallery block to add some new functionality to my image gallery on the frontend. I have ...
  • April 26, 2022
  • 0 Comments
WordPress
IT Nursery

Sample code for validating custom metabox?

I’ve found very little on this site or in Google searches for examples of validating metabox custom fields. If anyone wants to give ...
  • April 23, 2022
  • 0 Comments
WordPress
IT Nursery

How to properly validate data from $_GET or $_REQUEST using WordPress functions?

I am working on a plugin that requires on-the-fly manipulation of content output. This is solely dependent on the current $_GET variable or ...
  • April 22, 2022
  • 0 Comments

An invalid form control with name=” is not focusable

In Google Chrome some customers are not able to proceed to my payment page. When trying to submit a form I get this ...
  • April 19, 2022
  • 0 Comments
WordPress
IT Nursery

How should one implement add_settings_error on custom menu pages?

The Professional WordPress Plugin Development book explains in detail how to properly use the Settings API, and it also demonstrates how to add ...
  • April 18, 2022
  • 0 Comments

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INSTALL_FAILED_DUPLICATE_PERMISSION… C2D_MESSAGE June 4, 2022
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