[WordPress PHP] Automatically Set Featured Image from Post Content
This WordPress PHP script automatically sets a featured image in a post if it forgets to set one.
Media library
Using WordPress ‘attachment_url_to_postid()’ PHP function
Tries to convert an attachment URL into a post ID.
Using WordPress ‘check_upload_size()’ PHP function
The `check_upload_size()` function in WordPress allows developers to check if an uploaded file exceeds the allowed space quota before inserting or processing it
Using WordPress ‘get_compat_media_markup()’ PHP function
Learn how to use the WordPress `get_compat_media_markup()` PHP function to generate HTML markup for the attachment details and edit buttons in the media library.
Using WordPress ‘find_posts_div()’ PHP function
Outputs the modal window used for attaching media to posts or pages in the media-listing screen.
Using WordPress ‘image_make_intermediate_size()’ PHP function
Resizes an image to make a thumbnail or intermediate size.
Using WordPress ‘get_upload_iframe_src()’ PHP function
The `get_upload_iframe_src()` function in WordPress retrieves the upload iframe source URL for media files
Using WordPress ‘media_upload_library_form()’ PHP function
Outputs the legacy media upload form for the media library.
Using WordPress ‘media_upload_library()’ PHP function
Retrieves the legacy media library form in an iframe.