\r in does in php code example
Example: \r in php
They're "carriage return" and "line feed" respectively. Typically on Windows, you need both together to represent a line terminator: "\r\n" whereas on most (all?) Unix systems, "\n" is enough.They're "carriage return" and "line feed" respectively. Typically on Windows, you need both together to represent a line terminator: "\r\n" whereas on most (all?) Unix systems, "\n" is enough.