wp-includes/post-template.php:190Displays the Post Global Unique Identifier (guid).
$postint|WP_Postoptional0One hook fires while the_guid() runs, in this order:
Filters the escaped Global Unique Identifier (guid) of the post.
function the_guid( $post = 0 ) { $post = get_post( $post ); $post_guid = isset( $post->guid ) ? get_the_guid( $post ) : ''; $post_id = $post->ID ?? 0; /** * Filters the escaped Global Unique Identifier (guid) of the post. * * @since 4.2.0 * * @see get_the_guid() * * @param string $post_guid Escaped Global Unique Identifier (guid) of the post. * @param int $post_id The post ID. */ echo apply_filters( 'the_guid', $post_guid, $post_id );}Introduced in 1.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/post-template.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.