Input
Output
<?php $name = " alice cooper "; $cleanName = ucwords(trim($name)); echo "Cleaned Name: $cleanName<br>"; $sentence = "PHP is amazing!"; echo "Uppercase: " . strtoupper($sentence) . "<br>"; echo "Reversed: " . strrev($sentence) . "<br>"; $words = explode(" ", $sentence); print_r($words); $joined = implode("-", $words); echo "<br>Joined: $joined"; ?>