Checkbox not sending all of data

I have a form that is only returning the last box checked instead of all values that were checked. Please help, i’m pulling my hair out!:hair:

[COLOR=red]html CODE for form:[/COLOR]

<!----this is where the Industries check box starts----->

          &lt;tr&gt;
            &lt;td height="175" colspan="2" align=left valign=top&gt;&lt;div style='width:350px;float:left;padding-top:5px;'&gt;&lt;b&gt;What best describes your organization? &lt;span style='color:#CC0000;font-size:125%;'&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;
              &lt;br clear=all /&gt;
              &lt;table width="387"&gt;
                &lt;tr&gt;
                  &lt;td width="158"&gt;&lt;label&gt;
                    &lt;input type="checkbox" name="Industries[]" value="Aerospace" id="Aerospace" /&gt;
                    &lt;span class="Checkbox"&gt;Aerospace&lt;/span&gt;&lt;/label&gt;&lt;/td&gt;
                  &lt;td width="217" class="Checkbox"&gt;&lt;input type="checkbox" name="Industries[]" value="Manufacturing" id="Manufacturing" /&gt;
                    Manufacturing&lt;/td&gt;
                &lt;/tr&gt;
                &lt;tr&gt;
                  &lt;td&gt;&lt;label&gt;
                    &lt;input type="checkbox" name="Industries[]" value="Automotive" id="Automotive" /&gt;
                    &lt;span class="Checkbox"&gt;Automotive&lt;/span&gt;&lt;/label&gt;&lt;/td&gt;
                  &lt;td class="Checkbox"&gt;&lt;input type="checkbox" name="Industries[]" value="Mining" id="Mining" /&gt; 
                    Mining

</td>
</tr>
<tr>
<td><span class=“Checkbox”>
<label>
<input type=“checkbox” name=“Industries[]” value=“Chemical” id=“Chemical” />
Chemical</label>
</span></td>
<td><span class=“Checkbox”>
<input type=“checkbox” name=“Industries[]” value=“OilGas” id=“OilGas” />
Oil & Gas</span></td>
</tr>
<tr>
<td><span class=“Checkbox”>
<label>
<input type=“checkbox” name=“Industries[]” value=“Education” id=“Education” />
Education</label>
</span></td>
<td><span class=“Checkbox”>
<input type=“checkbox” name=“Industries[]” value=“Pharmaceutical” id=“Pharmaceutical” />
Pharmaceutical</span></td>
</tr>
<tr>
<td><span class=“Checkbox”>
<label>
<input type=“checkbox” name=“Industries[]” value=“GovernmentFederal” id=“GovernmentFederal” />
Government-Federal
</label>
</span></td>
<td><span class=“Checkbox”>
<input type=“checkbox” name=“Industries[]” value=“Rail” id=“Rail” />
Rail</span></td>
</tr>
<tr>
<td><span class=“Checkbox”>
<label>
<input type=“checkbox” name=“Industries[]” value=“GovernmentMunicipal” id=“GovernmentMunicipal” />
Government-Municipal</label></span></td>
<td><span class=“Checkbox”>
<input type=“checkbox” name=“Industries[]” value=“Utility” id=“Utility” />
Utility</span></td>
</tr>
<tr>
<td><span class=“Checkbox”>
<label>
<input type=“checkbox” name=“Industries[]” value=“GovernmentState” id=“GovernmentState” />
Government-State</label>
</span></td>
<td><span class=“Checkbox”>
<input type=“checkbox” name=“Industries[]” value=“Other” id=“Other” />
Other:
<label>
<input name=“Other Explanation” type=“text” id=“OtherExplanation” size=“22” />
</label>
</span></td>
</tr>
</table>
<div style=‘width:380px;float:left;padding-top:5px;’><b><span style=‘color:#CC0000;font-size:125%;’> </span></b></div>
<br clear=all />
<table width=“381”>
</table></td>

[COLOR=red]PHP CODE to process form:[/COLOR]

<?php
if(!isset($_POST[‘submit’]))
{
//This page should not be accessed directly. Need to submit the form.
echo “error; you need to submit the form!”;
}
$organizationname = $_POST[‘OrganizationName’];
$firstname = $_POST[‘FirstName’];
$lastname = $_POST[‘LastName’];
$businessemail = $_POST[‘BusinessEmail’];
$industries = $_POST[‘Industries’];
foreach ( $industries as $industry)
{
$msg .= "$industry
";
}
$otherexplanation = $_POST[‘OtherExplanation’];
$newsletter = $_POST[‘Newsletter’];

//Validate content entered
if(empty($organizationname)||empty($firstname)||empty($lastname)||empty($businessemail))
{
echo (“Name and email are mandatory. Please go back and try again.”);
exit;
}

//validate newsletter has been selected
if(empty($newsletter))
{
echo (“Please make sure you select a newsletter. Go back and try again.”);
exit;
}

//Adjust for Magic Quotes
$firstname = stripslashes ($firstname);
$lastname = stripslashes ($lastname);

//Trying to figure our the Arrays function!!!

//End of Trying to figure out the Array function!!!

$email_from = ‘focus@arcadisweb.com’;//<== update the email address
$email_subject = “New Focus Newsletter Sign-up”;
$msg = "The results from the Focus Newsletter sign up form fields are below. (From arcadisweb.com/focussignup.html)

";
$msg .= "Industry chosen:
$industry

";

$to = "focus@arcadis-us.com";//<== update the email address
$headers = "From: $email_from
";
//Send the email!
mail($to,$email_subject,$msg,$headers);
//done. redirect to thank-you page.
header (‘Location: http://www.arcadisweb.com/Thankyoupage.html’);
//Function to validate against any email injection attempts
function IsInjected($str)
{
$injections = array(’(
+)’,
‘(\r+)’,
‘( +)’,
‘(%0A+)’,
‘(%0D+)’,
‘(%08+)’,
‘(%09+)’
);
$inject = join(’|’, $injections);
$inject = “/$inject/i”;
if(preg_match($inject,$str))
{
return true;
}
else
{
return false;
}
}
if(IsInjected($visitor_email))
{
echo “Bad email value!”;
exit;
}

?>