wp-admin/includes/class-ftp-sockets.php:231 function _data_close() { @socket_close($this->_ftp_temp_sock); @socket_close($this->_ftp_data_sock); $this->SendMSG("Disconnected data from remote host"); return TRUE; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-ftp-sockets.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.