Using WordPress ‘register_form’ PHP action

The register_form WordPress PHP action fires after the ‘Email’ field in the user registration form, allowing you to add custom fields or content to the registration form.

Table of contents

Usage

add_action('register_form', 'your_custom_function');
function your_custom_function() {
    // your custom code here
}

Parameters

None

More information

See WordPress Developer Resources: register_form

Examples

Add a custom field to the registration form

This example adds a ‘Phone Number’ field to the registration form.

add_action('register_form', 'add_phone_number_field');

function add_phone_number_field() {
    echo '<p><label for="phone_number">' . __('Phone Number') . '<br />';
    echo '<input type="text" name="phone_number" id="phone_number" class="input" /></label></p>';
}

Add a Terms and Conditions checkbox

This example adds a ‘Terms and Conditions’ checkbox to the registration form.

add_action('register_form', 'add_terms_and_conditions_checkbox');

function add_terms_and_conditions_checkbox() {
    echo '<p><label><input type="checkbox" name="terms_and_conditions" value="1" /> ';
    echo __('I agree to the Terms and Conditions.') . '</label></p>';
}

Add a custom select field

This example adds a ‘How did you hear about us?’ select field to the registration form.

add_action('register_form', 'add_how_did_you_hear_about_us_field');

function add_how_did_you_hear_about_us_field() {
    echo '<p><label for="hear_about_us">' . __('How did you hear about us?') . '<br />';
    echo '<select name="hear_about_us" id="hear_about_us">';
    echo '<option value="">' . __('Select') . '</option>';
    echo '<option value="google">' . __('Google') . '</option>';
    echo '<option value="friend">' . __('Friend') . '</option>';
    echo '<option value="other">' . __('Other') . '</option>';
    echo '</select></label></p>';
}

Add a custom section with a heading

This example adds a custom section with a heading to the registration form.

add_action('register_form', 'add_custom_section');

function add_custom_section() {
    echo '<h2>' . __('Custom Section') . '</h2>';
    echo '<p>' . __('Add your custom content here.') . '</p>';
}

Add a reCAPTCHA field

This example adds a reCAPTCHA field to the registration form. Note that you will need to replace YOUR_RECAPTCHA_SITE_KEY with your actual reCAPTCHA site key.

add_action('register_form', 'add_recaptcha_field');

function add_recaptcha_field() {
    echo '<div class="g-recaptcha" data-sitekey="YOUR_RECAPTCHA_SITE_KEY"></div>';
}