nl2br

Returns the input string with all newlines converted to HTML breaks.

input|nl2br()

A string with HTML breaks.

This operator takes a string as input. It replaces newline characters/sequences with HTML break tags and returns a modified version of the input.

{'The lazy
cat
jumps over
the quick rat.'|nl2br()}

The following output will be produced:

The lazy<br />cat<br />jumps over<br />the quick rat.