Functions (Advanced)

http://phpmysql-academy.blogspot.in/
Example: 1

    <?php

    function calc($num1, $num2, $op)
    {
    switch ($op)
    {
    case "+";
    $total = $num1 + $num2;
    break;

    case "-";
    $total = $num1 - $num2;
    break;

    case "*";
    $total = $num1 * $num2;
    break;


    case "/";
    $total = $num1 / $num2;
    break;

    default:
    echo "Unknown operator.";

    }
    }

    ?>


Example: 2

    <?php

    function calc($num1, $num2, $op)
    {
    switch ($op)
    {
    case "+";
    $total = $num1 + $num2;
    break;

    case "-";
    $total = $num1 - $num2;
    break;

    case "*";
    $total = $num1 * $num2;
    break;


    case "/";
    $total = $num1 / $num2;
    break;

    default:
    echo "Unknown operator.";

    }

    calc(10,10,"+");

    }

    ?>


Example: 3

    <?php

    function calc($num1, $num2, $op)
    {
    switch ($op)
    {
    case "+";
    $total = $num1 + $num2;
    break;

    case "-";
    $total = $num1 - $num2;
    break;

    case "*";
    $total = $num1 * $num2;
    break;


    case "/";
    $total = $num1 / $num2;
    break;

    default:
    echo "Unknown operator.";

    }

    echo calc(10,10,"+");

    }

    ?>

Example: 4

    <?php

    function calc($num1, $num2, $op)
    {
    switch ($op)
    {
    case "+";
    $total = $num1 + $num2;
    return $total;
    break;

    case "-";
    $total = $num1 - $num2;
    return $total;
    break;

    case "*";
    $total = $num1 * $num2;
    return $total;
    break;


    case "/";
    $total = $num1 / $num2;
    return $total;
    break;

    default:
    echo "Unknown operator.";

    }

    echo calc(10,10,"+");

    }

    ?>

Example: 5

    <?php

    function calc($num1, $num2, $op)
    {
    switch ($op)
    {
    case "+";
    $total = $num1 + $num2;
    return $total;
    break;

    case "-";
    $total = $num1 - $num2;
    return $total;
    break;

    case "*";
    $total = $num1 * $num2;
    return $total;
    break;


    case "/";
    $total = $num1 / $num2;
    return $total;
    break;

    default:
    echo "Unknown operator.";

    }


    }
    echo calc(10,10,"+");

    ?>


Example: 6

    <?php

    function calc($num1, $num2, $op)
    {
    switch ($op)
    {
    case "+";
    $total = $num1 + $num2;
    return $total;
    break;

    case "-";
    $total = $num1 - $num2;
    return $total;
    break;

    case "*";
    $total = $num1 * $num2;
    return $total;
    break;


    case "/";
    $total = $num1 / $num2;
    return $total;
    break;

    default:
    echo "Unknown operator.";

    }


    }
    echo calc(13,7,"/");

    ?>


Example:7

    <?php

    function calc($num1, $num2, $op)
    {
    switch ($op)
    {
    case "+";
    $total = $num1 + $num2;
    return $total;
    break;

    case "-";
    $total = $num1 - $num2;
    return $total;
    break;

    case "*";
    $total = $num1 * $num2;
    return $total;
    break;


    case "/";
    $total = $num1 / $num2;
    return $total;
    break;

    default:
    echo "Unknown operator.";

    }

    }
    echo calc(13,7,"a");

    ?>