Think About the following code $a=”I Am John Doe”; $b=explode(“ “,$a); echo “Total Number of words in $a is “.count($b); Now how about this, $name=”I Am John Doe”; $num_of_words=explode(“ “,$a); echo “Total Number of words in $name is “.count($num_of_words); Well, the example was too simple. But things can go terribly wrong when not using meaningful [...]