PHP切换通过问题

Question

Code:

switch ($_GET['operation']) {
    case "professionist":
    case "company":
    case "student":
        echo "ok<br>";

    case "professionist":
        echo "inprofessionist<br>";
        break;

    case "company":
        echo "incompany<br>";
        break;

    default:
        echo "Meh!<br>";
        break;
}

My goal is to execute some (common to professionist/company/student) code first, and then execute the rest of the code depending on the operation...

The problem is that the first 3 cases works perfectly, but then, if for example the operation is "company", the switch go on "professionist" case, what i'm doing wrong? How can improve that? Thanks in advance...

Answer 1

That's how switch works. If you always need to print "ok" then move it outside switch:

$op = $_GET["operation"];

if (in_array($op, array("professionist", "company"))) {
   echo "ok<br>";
}

switch ($op) {
    case "professionist":
        echo "inprofessionist<br>";
        break;

    case "company":
        echo "incompany<br>";
        break;

    default:
        echo "Meh!<br>";
        break;
}