Validating multiple options with if statement

Question

I am having an issue validating that a field is empty or full. The code below will help.

The below is not the whole piece of my form, just the part you need to know. HTML:

<form action="" method="post" id="all_message">
    <ul>
        <li>
            <label for="subject">Subject</label><br />
            <select id="No_dropdown" name="Dropown_select">
                <option value="Request for quote">Request for quote</option>
                <option value="Service inquiries">Service inquiries</option>
                <option value="Other">Other</option>
            </select>
        </li>
        <li>
            <input type="submit" value="Send" name="submit" />
        </li>
    </ul>
</form>

I use this script to make a no selection on the select option above. Javascript

<script language="javascript" type="text/javascript">
document.getElementById("No_dropdown").selectedIndex = -1;
</script>

This is not the whole PHP for it, just the part I'm having trouble with. PHP:

$subject =      $_POST['Dropown_select'];

if (empty($name) === true || empty($email) === true || empty($phone) === true || 
    !($subject === "Other" || "Service inquiries" || "Request for quote") ||   
    empty($message) === true )

This is the part I am having troubles with:

!($subject === "Other" || "Service inquiries" || "Request for quote")

I need that part to see if one of the 'dropdowns' is selected and if not give an error.

sectus · Accepted Answer · 2013-05-10 02:32:39Z

5

!($subject === "Other" || $subject === "Service inquiries" || $subject === "Request for quote")

or

($subject !== "Other" && $subject !== "Service inquiries" && $subject !== "Request for quote")

or

!in_array($subject, array("Other", "Service inquiries", "Request for quote"), true);

answered May 10, 2013 at 2:32

sectus

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1 Comment

Rampill Over a year ago

I used the second method and it works as expected. Thank you!

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