Palavra mais longa
<?php
function LongestWord($sen) {
$words = explode(" ", $sen);
$longestWord = "";
for($i = 0; $i < count($words); $i++){
if(strlen($longestWord) < strlen($words[$i]) && !preg_match("/[\W]/", $words[$i])){
$longestWord = $words[$i];
}
}
return $longestWord;
}
jo3e