PHP: Count words in a sentence

<?php
$strText = "This is a test";
$wordcount = count(explode(" ",$strText));
echo "There are $wordcount words in $strText";
?>

PHP: Count number of words in a text string

<?php
$text = "This is some text.";
$count = count(explode(" ", $text));
echo "$text contains $count words";
?>