PHP

     1. An example of Variables.

        <?php

                        $str=”Hello World”;

                        $X=10;

                        $y=15.75;

                        echo $str,”<br/>”;

                        echo $X, “<br/>”;

                        echo $y;

?>

      2. An example of assigning values to Variables.           

          <?php

                        $num=22;

                        $square=$num * $num;

                        $script='PHP';

                        echo "<br/>Script $script";

                        echo "<br/>Number $num";

                        echo "<br/>Square $square";

?>