PhP String to get 5 Words

<?php

// http://www.geekysolution.com/how-to-select-first-5-words-from-a-string-in-php/

$my_string = 'geekysolution is an awesome mentor in the whole internet';

// Break the string into words
$words = explode(' ', $my_string);

// Select first five (5) words
$five_words = array_slice($words,0,5);

// Combine the five (5) words into string
$String_of_five_words = implode(' ',$five_words)."\n";

// Show the string of five words
echo $String_of_five_words;

?>