Enhanced Validation for Craft CMS Contact Form Plugin

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0.0.1 2017-08-09 18:30 UTC

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Last update: 2022-08-06 16:33:25 UTC


Simple server-side contact form validation for the Craft CMS 3 Contact Form plugin using GUMP.


Add the package to your composer.json file

"isev-ltd/contact-form-validation": "~0.0.1"

or install via command line

composer require isev-ltd/contact-form-validation:0.0.*

Go to your Craft CMS 3 admin area Settings. Under System click Plugins.

Install Contact Form if you haven't already. Then install Contact Form Validation.

Go back to Settings. Under Plugins go to Contact Form and make sure that your to email is added.


Create a config file named config/contact-form-validation.php

Add validate, filter, and readableNames keys to the returned array. Below is an example config file.


return [
    'validate' => [
        'fromName' => 'required',
        'fromEmail' => 'required|valid_email',
        'phoneNumber' => 'required',
        'body' => 'required',
    'filter' => [
        'fromName' => 'trim',
        'fromEmail' => 'trim|sanitize_email',
        'phoneNumber' => 'trim',
        'body' => 'trim',
    'readableNames' => [
        'phoneNumber' => 'phone number',
        'fromEmail' => 'email',
        'fromName' => 'name',
        'body' => 'enquiry',

Note that, fromName, fromEmail, and subject are the default fields. Any other field will be within the message array, as with the Contact Form plugin.

Example Form

The below form omits the default subject field, and adds a phone number. Because the phone number is custom, the message field is changed to message[body]. Using the example config file all fields are required, and email needs to be an email address.

    {% macro errorList(errors) %}
        {% if errors %}
            <ul class="errors">
                {% for error in errors %}
                    <li>{{ error }}</li>
                {% endfor %}
        {% endif %}
    {% endmacro %}
    {% from _self import errorList %}

    <form method="post" action="" accept-charset="UTF-8">
        {{ csrfInput() }}
        <input type="hidden" name="redirect" value="{{ "#{craft.request.url}?sent=1"|hash }}">
        <input type="hidden" name="action" value="contact-form/send">

        <div class="contact-form--layout">
            <div class="contact-form--row">
                <div class="contact-form--label">
                    <label for="from-name" class="">Your Name:</label>
                <div class="contact-form--input">
                    <input id="from-name" type="text" class="" name="fromName" value="{{ message.fromName ?? '' }}">
                    {{ message is defined and message ? errorList(message.getErrors('fromName')) }}

            <div class="contact-form--row">
                <div class="contact-form--label">
                    <label for="phoneNumber" class="">Phone Number:</label>
                <div class="contact-form--input">
                    <input id="phoneNumber" type="text" class="" name="message[phoneNumber]" value="{{ message.message.phoneNumber ?? '' }}">
                    {{ message is defined and message ? errorList(message.getErrors('message.phoneNumber')) }}

            <div class="contact-form--row">
                <div class="contact-form--label">
                    <label for="from-email" class="">Your Email:</label>
                <div class="contact-form--input">
                    <input id="from-email" type="email" class="" name="fromEmail" value="{{ message.fromEmail ?? '' }}">
                    {{ message is defined and message ? errorList(message.getErrors('fromEmail')) }}

            <div class="contact-form--row">
                <div class="contact-form--label">
                    <label for="message" class="">Your Enquiry:</label>
                <div class="contact-form--input">
                    <textarea rows="10" cols="40" id="message" class="" name="message[body]">{{ message.message.body ?? '' }}</textarea>
                    {{ message is defined and message ? errorList(message.getErrors('message.body')) }}

            <div class="">
                <div class="contact-form--label">
                <div class="contact-form--input">
                    <button type="submit" class="contact-form--submit">Submit</button>

Validation rules

Currently this plugin only supports GUMP for validation, see the associated Github documentation for what's possible.


  • Allow using Illuminate Validator
  • Testing
  • Check Attachments