get_post_thumbnail_id()

The 'display_media_states' PHP filter in WordPress allows developers to customize the display of media states in the media library. By using this filter, developers can add or remove media states,…

The 'embed_thumbnail_id' filter in WordPress allows developers to customize the thumbnail image used in embedded content.

The 'embed_thumbnail_image_shape' PHP filter in WordPress allows developers to customize the shape of thumbnail images in embedded content.

The 'post_thumbnail_url' PHP filter in WordPress allows developers to easily retrieve the URL of a post's featured image.

The 'prepend_attachment' PHP filter in WordPress allows developers to modify the output of attachment metadata. This filter can be used to add custom data or modify existing data before it…