wp-includes/blocks/post-time-to-read.php:176Registers the core/post-time-to-read block on the server.
function register_block_core_post_time_to_read() { register_block_type_from_metadata( __DIR__ . '/post-time-to-read', array( 'render_callback' => 'render_block_core_post_time_to_read', ) );}Introduced in 6.9.0. Unchanged from 6.9.7 through 7.1.0.
Signature, return type and hooks compared across 3 parsed releases.
src/wp-includes/blocks/post-time-to-read.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.