Block Editor (Gutenberg) (category)
| has_block() | Determine whether a $post or a string contains a specific block type. |
| has_blocks() | Determine whether a post or content string has blocks. |
| parse_blocks() | Parses blocks out of a content string. |
| register_block_type() | Registers a block type. |
| wp_is_block_theme() | Returns whether the current theme is a block-based theme or not. |