Learn how to use the WordPress `is_error()` PHP function to determine if an HTTP response code is an error in your website development projects. Discover examples and best practices for…

The is_email_address_unsafe() WordPress PHP function checks an email address against a list of banned domains. Usage is_email_address_unsafe( $user_email ) Example: Input: is_email_address_unsafe('[email protected]') Output: false (if 'example.com' is not in the…

​The `is_email()` function in WordPress checks whether a given string is a valid email address or not

​The `media_upload_tabs()` function in WordPress generates the default media upload tabs, which can be modified using various filters such as adding or removing tabs, changing the default tab, reordering tabs,…

Outputs the legacy media upload form for the media library.

Retrieves the legacy media library form in an iframe.

​The `media_upload_image()` function in WordPress is used to handle the uploading of an image

​The `media_upload_header()` function is used in WordPress to output the legacy media upload header

​The `media_upload_gallery_form()` function in WordPress allows developers to easily create a gallery form within an upload iframe