wp-includes/pomo/po.php:205Prepare a text as a comment -- wraps the lines and prepends # and a special character to each line
$textstring$charstringoptional' ' public static function comment_block( $text, $char = ' ' ) { $text = wordwrap( $text, PO_MAX_LINE_LEN - 3 ); return PO::prepend_each_line( $text, "#$char " ); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/pomo/po.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.