问将$与开关案例相加10

EN

<form action="<?=$_SERVER['PHP_SELF']?>" method="post">
    items:<br>
    <select name="test[]" multiple="multiple">
        <option value="one">one</option>
        <option value="two">two</option>
        <option value="three">three</option>
        <option value="four">four</option>
        <option value="five">five</option>
    </select><br>
    options:<br>
    <select name="options" class="quoteFields" tabindex="5" size="1">
        <option value="0" selected="selected">Choose an option</option> 
        <option value="option1">option1</option>
        <option value="option2">option2</option>
    </select> <br>
<input type="submit" value="Send" />
</form>
<?php

$test=$_POST['test'];

if ($test){
    foreach ($test as $t){
        echo 'You selected ',$t,'<br />';

        if($t=='one')
            $price1=12;
        if($t=='two')
            $price2=2;
    }
}

if ($_POST['test'] === 'two') {
    switch ($options){

        case "option1":
            $price2 = $price2 + 10;
            break;

    }
}

$total = $price1 + $price2;

echo $total; 
?>