* @param int     $iterations Stores the number of iterations.
	 * @return array[] List of WP_Block arrays or an empty array if `$block` cannot be found within `$block_list`.
	 */
	private function get_block_path( $block, $block_list, $iterations = 0 ) {

		foreach ( $block_list as $_block ) {

			// Found the block.
			if ( $block === $_block ) {
				return array( $block );
			}

			// No innerblocks, proceed to the next block.
			if ( empty( $_block['innerBlocks'] ) ) {
				continue;
			}

			// Look in innerblocks for the block.
			foreach ( $_block['innerBlocks'] as $inner_block ) {

				// The inner block needs to be merged to the path.
				$to_merge = array( $inner_block );

				if ( $block === $inner_block ) { // Inner block is the one we're looking for.
					$path     = array( $block );
					$to_merge = array(); // Inner block equals the path, no need to merge it.
				} else {
					$path = $this->get_block_path( $block, array( $inner_block ), $iterations + 1 );
				}

				if ( $path ) {

					// First iteration, append first block too.
					if ( ! $iterations ) {
						$to_merge[] = $_block;
					}

					// Merge.
					return array_merge( $path, $to_merge );

				}
			}
		}

		// Block not found in the list.