I've been trying to figure out if radio buttons and checkboxes need to be stripped (cleaned?) when sending them via email.
I have a contact form that just emails the information. It doesn't touch a database. Do I need to protect the radio buttons and checkboxes when emailing? Is it possible?
I haven't found anything on google regarding securing these when emailing them. I keep coming across a few answers that say that should definitely be protected when sending to a database. The same is found here, or questions regarding how to grab values or create one dynamically. So, I'm at a loss.
Do I secure radio buttons and checkboxes when emailing? Is it possible? Necessary? Here's what my code looks like, partially:
$firstName = strip_tags($_POST['firstName']);
$lastName = strip_tags($_POST['lastName']);
$email = strip_tags($_POST['emailAddress']);
$telNum = strip_tags($_POST['phoneNumber']);
$colors= $_POST['eColors'];
$additionalComments = strip_tags($_POST['additionalComments']);
$spamField = strip_tags($_POST['sField']);
<form id="contact-form" action="" method="post">
<div>
<input type="text" id="nameFirst" name="firstName" />
<label for="nameFirst" class="nameIcon">
<span>First Name</span>
</label>
<span class="hint">
<p>Input hint goes here</p>
</span>
</div>
<div>
<input type="text" id="nameLast" name="lastName" />
<label for="nameLast" class="nameIcon">
<span>Last Name</span>
</label>
<span class="hint">
<p>Input hint goes here</p>
</span>
</div>
<div>
<input type="email" id="eAddy" name="emailAddress" />
<label for="eAddy" class="emailIcon">
<span>Contact Email</span>
</label>
<span class="hint">
<p>Input hint goes here</p>
</span>
</div>
<div>
<input type="tel" id="telNum" name="phoneNumber" />
<label for="telNum" class="contactIcon">
<span>Contact Number</span>
</label>
<span class="hint">
<p>Input hint goes here</p>
</span>
</div>
<div>
<input type="checkbox" id="cbEColors" name="eColors" class="cbSwitch" />
<label for="cbEColors">Do you expect more color?</label>
</div>
<div>
<textarea id="addComments" name="additionalComments"></textarea>
<label for="addComments" class="messageIcon">
<span>Additional Comments</span>
</label>
<span class="hint">
<p>Input hint goes here</p>
</span>
</div>
<input type="text" id="sField" class="col" name="sField" />
<button id="submit" name="submit" type="submit" value="Submit">Submit</button>
</form>
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