wp-includes/class-wp-embed.php:386Deletes all oEmbed caches. Unused by core as of 4.0.0.
$post_idint public function delete_oembed_caches( $post_id ) { $post_metas = get_post_custom_keys( $post_id ); if ( empty( $post_metas ) ) { return; } foreach ( $post_metas as $post_meta_key ) { if ( str_starts_with( $post_meta_key, '_oembed_' ) ) { delete_post_meta( $post_id, $post_meta_key ); } } }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-embed.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.