Using WordPress ‘register_form’ PHP action

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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.

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>';
}