PHP Contact form, True/False in Email if CheckBox is Checked

Question

I have a file called send_form_email.php and I'm trying to get it to send an e-mail to me with trues/falses or some way of signifying which checkboxes are checked. I think that there's something wrong with the way I've tried to expand something I found on the internet - right now it sends the form okay, but just not any information about which items were checked.

These are the ones that are checkboxes on my web form:

$farmscale = $_POST['farmscale']; // not required
$nutrients = $_POST['nutrients']; // not required
$smallscale = $_POST['smallscale']; // not required
$plantdesign = $_POST['plantdesign']; // not required
$industrialscale = $_POST['industrialscale']; // not required
$engineering = $_POST['engineering']; // not required
$stgs = $_POST['stgs']; // not required
$compsupply = $_POST['compsupply']; // not required

But this is the main file, and I'm just not sure how to get a true/fales value to spit out in the email that it sends. Please be gentle... still kinda new to this stuff.

    <?php
    if(isset($_POST['email'])) {

        // EDIT THE 2 LINES BELOW AS REQUIRED
        $email_to = "[email protected]";
        $email_subject = "Inquiry from EnginuityEnergy.com";


        function died($error) {
            // your error code can go here
            echo "We are very sorry, but there were error(s) found with the form you submitted. ";
            echo "These errors appear below.<br /><br />";
            echo $error."<br /><br />";
            echo "Please go back and fix these errors.<br /><br />";
            die();
        }

        // validation expected data exists
        if(!isset($_POST['first_name']) ||
            !isset($_POST['last_name']) ||
            !isset($_POST['email']) ||
            !isset($_POST['telephone']) ||
            !isset($_POST['country']) ||
            !isset($_POST['comments'])) {
            died('We are sorry, but there appears to be a problem with the form you submitted.');       
        }

        $first_name = $_POST['first_name']; // required
        $last_name = $_POST['last_name']; // required
        $email_from = $_POST['email']; // required
        $telephone = $_POST['telephone']; // not required
        $country = $_POST['country']; // not required
        $comments = $_POST['comments']; // required
        $farmscale = $_POST['farmscale']; // not required
        $nutrients = $_POST['nutrients']; // not required
        $smallscale = $_POST['smallscale']; // not required
        $plantdesign = $_POST['plantdesign']; // not required
        $industrialscale = $_POST['industrialscale']; // not required
        $engineering = $_POST['engineering']; // not required
        $stgs = $_POST['stgs']; // not required
        $compsupply = $_POST['compsupply']; // not required

        $error_message = "";
        $email_exp = '/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/';
      if(!preg_match($email_exp,$email_from)) {
        $error_message .= 'The Email Address you entered does not appear to be valid.<br />';
      }
        $string_exp = "/^[A-Za-z .'-]+$/";
      if(!preg_match($string_exp,$first_name)) {
        $error_message .= 'The First Name you entered does not appear to be valid.<br />';
      }
      if(!preg_match($string_exp,$last_name)) {
        $error_message .= 'The Last Name you entered does not appear to be valid.<br />';
      }
      if(strlen($comments) < 2) {
        $error_message .= 'The Comments you entered do not appear to be valid.<br />';
      }
      if(strlen($error_message) > 0) {
        died($error_message);
      }
        $email_message = "Form details below.\n\n";

        function clean_string($string) {
          $bad = array("content-type","bcc:","to:","cc:","href");
          return str_replace($bad,"",$string);
        }

        $email_message .= "First Name: ".clean_string($first_name)."\n";
        $email_message .= "Last Name: ".clean_string($last_name)."\n";
        $email_message .= "Email: ".clean_string($email_from)."\n";
        $email_message .= "Telephone: ".clean_string($telephone)."\n";
        $email_message .= "Comments: ".clean_string($comments)."\n";
        $email_message .= "Country: ".clean_string($country)."\n";
        $email_message .= "Farm Scale: ".$farmscale."\n";
        $email_message .= "Nutrients: ".$nutrients."\n";
        $email_message .= "Small Scale: ".$smallscale."\n";
        $email_message .= "Plant Design: ".$plantdesign."\n";
        $email_message .= "Industrial Scale: ".$industrialscale."\n";
        $email_message .= "Engineering: ".$engineering."\n";
        $email_message .= "STGS: ".$stgs."\n";
        $email_message .= "Component Supply: ".$compsupply."\n";


    // create email headers
    $headers = 'From: '.$email_from."\r\n".
    'Reply-To: '.$email_from."\r\n" .
    'X-Mailer: PHP/' . phpversion();
    @mail($email_to, $email_subject, $email_message, $headers);  
    ?>

    <!-- include your own success html here -->

    <center>
        <h1>Thank you for contacting us.</h1>
        <br><br> 
        <p>We will be in touch with you very soon.</p>
        <p>In the meantime, head back to the <a href="http://www.enginuityenergy.com">Main Site</a> to learn more about Enginuity Energy's innovative Biomass gasification.<p>
    </center>


    <?php
    }
    ?>

a checkbox will not appear in your $_POST unless it is checked. — skrilled
– skrilled, Commented Aug 7, 2013 at 19:43
On a side note, the <center> tag was deprecated somewhere around the Hoover administration. — j08691
– j08691, Commented Aug 7, 2013 at 19:44

Romeo Onisim · Accepted Answer · 2014-10-19 14:49:03Z

4

I've got over this issue by inserting a new input hidden like this:

<input type="hidden" name="farmscale" value="n" />
<input type="checkbox" name="farmscale" value="y" />

You can do this for every checkbox or radio button.

edited Oct 19, 2014 at 14:49

user142162

answered Aug 7, 2013 at 19:47

Romeo Onisim

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1 Comment

James R Over a year ago

I use this method also, then do an if statement to see if it is posted or not.

Agnaldo Silva · Accepted Answer · 2013-08-07 20:26:58Z

0

For debug purposes, if you send a form with a HTML checkbox named 'checkme', you can use var_dump($_POST) and see if there is a 'checkme' item, then you can test it with isset() function.

form.html

<html>
<head>
     <title>Test form</title>
</head>
<body>
    <form method="post" action="see-it.php">
        <input type="checkbox" name="checkme" value="test"> Check it or not... <br>
        <button type="submit">Send</button>
    </form>
</body>
</html>

see-it.php

<?php

if(isset($_POST['checkme'])) {
    echo "CHECKED!!!1!1 :D";
} else {
    echo "Not checked... :(";
}

?>

edited Aug 7, 2013 at 20:26

answered Aug 7, 2013 at 20:18

Agnaldo Silva

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