Input
Output
<?php class A { public function show() { $args = func_get_args(); $count = func_num_args(); if ($count == 1) { echo "Area of square: " . ($args[0] * $args[0]) . "\n"; } elseif ($count == 2) { echo "Area of Rectangle: " . ($args[0] * $args[1]) . "\n"; } else { echo "Invalid number of arguments\n"; } } } $a = new A(); $a->show(5); $a->show(5, 7); ?>