Input
Output
<?php $x = 10; $y = 5; // Arithmetic echo "Sum: " . ($x + $y) . "<br>"; // Assignment $x += 5; echo "After += : $x<br>"; // Comparison echo ($x == $y) ? "Equal<br>" : "Not equal<br>"; // Logical if ($x > 0 && $y > 0) { echo "Both positive<br>"; } // String $greeting = "Hello, "; $name = "Alice"; echo $greeting . $name . "<br>"; ?>