- var_export: documentation ( source)
- preg_split: documentation ( source)
<?php
$text = "one\ntwo\r\nthree\rfour\r\n\nfive\n";
var_export(preg_split('~\R+~', $text)); // split on one or more newline sequences via regex engine
echo "\n";
var_export(preg_split('~\R~', $text, -1, PREG_SPLIT_NO_EMPTY)); // remove elements with no length
echo "\n";
var_export(preg_split('~\R+~', $text, -1, PREG_SPLIT_NO_EMPTY)); // split on one or more newline sequences via regex engine AND remove elements with no length