Variables in PHP

http://phpmysql-academy.blogspot.in/

Example: 1

    <?php

    $name ="Alex";
    $age=19;

    echo $name;

    ?>


Example: 2

    <?php

    $name ="Alex";
    $age=19;

    echo $age;

    ?>



Example: 3

    <?php

    $name ="Alex";
    $age=19;

    echo "concat"."ination";

    ?>


Example: 4

    <?php

    $name ="Alex";
    $age=19;

    echo "My name is $name and my age is $age.";

    ?>