JSON_UNESCAPED_LINE_TERMINATORS

JSON_UNESCAPED_LINE_TERMINATORS is one of the accepted parameters for json_encode parameter #2 (optionally as a bitmask).

JSON_UNESCAPED_LINE_TERMINATORS — The line terminators are kept unescaped when JSON_UNESCAPED_UNICODE is supplied. It uses the same behaviour as it was before PHP 7.1 without this constant. Available as of PHP 7.1.0.

JSON_UNESCAPED_LINE_TERMINATORS = 2048;