- var_export: documentation ( source)
- preg_split: documentation ( source)
<?php
$a = "\r\n\r\n\n\n\r\rsalam\r\nman khobam\rto chi\n\rche khabar\n\r\n\n\r\r\n\nbashe baba raftam\r\n\r\n\r\n\r\n";
var_export(preg_split('~\R+~', $a, 0, PREG_SPLIT_NO_EMPTY));