<?php
$string = "This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long strinThis is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = g = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long strinThis is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = g = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long strinThis is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = g = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, v, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = g = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string = This is a very, very very, very, very long string ";
$arr = str_split($string);
print_r($arr);
Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).