Split long text onto few lines of specified length

long_text_splitter.php

<?php

$count = 60;
$re = "/(?:((?>.{1,${count}}(?:(?<=[^\S\r\n])[^\S\r\n]?|(?=\r?\n)|$|[^\S\r\n]))|.{1,${count}})(?:\r?\n)?|(?:\r?\n|$))/";
$string = 'This function will always return an array even the if the text is not processed i.e. for already short text. The above code returns the unprocessed short text by adding it into array.';

echo trim(preg_replace($re, "$1\r\n", $string));