Answers for "\n in php"

newline in php

<?php
 echo nl2br("If you want that '\n' works. \n Then use nl2br() function!");
 echo "<br> can also be used.";
 echo "nl2br() is in-built function whereas <br> is html tag";
?>

php why "\n" not new line

if "test\n" not return, new line
  1st solution:echo "test".PHP_EOL;
  2nd solution:<?php header('Content-type: text/plain'); ?>
  3rd solution:"<br />" instead of "\n" or "\r\n"