3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $display='line1\nline2\n\nline4'; $display=str_replace("\n", "\\n", $display); var_dump($display);
Output for 4.3.0 - 7.2.0
string(21) "line1\nline2\n\nline4"