wp-includes/deprecated.php:1244Retrieve an array of comment data about comment $comment_id.
$comment_idint$no_cacheintoptional0$include_unapprovedbooloptionalfalsearrayfunction get_commentdata( $comment_id, $no_cache = 0, $include_unapproved = false ) { _deprecated_function( __FUNCTION__, '2.7.0', 'get_comment()' ); return get_comment($comment_id, ARRAY_A);}Introduced in 0.71. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.