<?php
 
$string = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse et ultrices quam, vitae fermentum mi. Nullam neque tortor, vehicula et sagittis eu, interdum eleifend tortor. Fusce auctor mi nec dapibus dapibus. Morbi convallis convallis quam at tempor. Nulla iaculis leo id turpis tincidunt volutpat. Pellentesque magna tellus, eleifend ut metus vitae, feugiat egestas felis. Curabitur non elit velit. Nunc ultricies urna nibh, non pharetra arcu pharetra non. Vestibulum euismod id eros nec ornare. Quisque commodo felis non malesuada mattis. Etiam congue, odio ornare faucibus dignissim, urna arcu laoreet tortor, ut dictum velit metus in est. Phasellus nisl nisi, ultricies id metus vel, interdum consectetur lorem. Etiam imperdiet lacus at suscipit dictum. Duis in euismod sapien, non tempor justo.";
 
$words = explode(' ', $string);
$count = count($words);
 
$first = '';
$second = '';
 
for($i=0;$i<=80;$i++)
    $first .= strlen($first) !== 0 ? ' ' . $words[$i] : $words[$i];
 
for($i=80;$i<$count;$i++)
   $second .= strlen($first) !== 0 ? ' ' . $words[$i] : $words[$i];
 
echo $first;
 
echo PHP_EOL;
 
echo $second;
// your code goes here

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