Detailed usage of PHP_EOL constant

PHP_EOL

Definition and usage

PHP can be replaced by PHP_EOL to improve the source code level portability of the code

This constant will return the response value according to the current environment

Line breaks

use n for unix series

rn for windows series

r for mac

If you want to know about other PHP constants, you can get all PHP constants through the following function

get_defined_constants();