3v4l.org

run code in 500+ PHP versions simultaneously
<?php $text = "There are many \r variations of passages\r of Lorem Ipsum available,\r but the majority have suffered\r alteration in some form.\r "; echo preg_replace('/\r\n(?!$)/','"\r\n"',$text);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
There are many "\r\n"variations of passages"\r\n"of Lorem Ipsum available,"\r\n"but the majority have suffered"\r\n"alteration in some form.

preferences:
108.63 ms | 1514 KiB | 4 Q