wp-admin/includes/template.php:2077Displays the post password.
function the_post_password() { $post = get_post(); if ( isset( $post->post_password ) ) { echo esc_attr( $post->post_password ); }}Introduced in 2.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/template.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.