Чекбокс Политика конфиденциальности в форме регистрации и профиле пользователя

Wordpress
// Add the checkbox to registration form
add_action( 'register_form', 'foo_add_privacy_policy_field' );
function foo_add_privacy_policy_field() { 
  ?>
  <p>
    <input type="checkbox" name="foo_privacy_policy" id="foo_privacy_policy" class="checkbox" style="float: left; height: 50px;" />
    <label for="foo_privacy_policy"><?php _e( 'Privacy Policy', 'foo' ) ?>
    </label>
  </p>
  <?php
}

// Validate the checkbox value in the registration form so that it is required
add_filter( 'registration_errors', 'foo_privacy_policy_auth', 10, 3 );
function foo_privacy_policy_auth( $errors, $sanitized_user_login, $user_email ) {
  if ( !isset( $_POST['foo_privacy_policy'] ) ) :
    $errors->add( 'policy_error', "<strong>ERROR</strong>: Please accept the privacy policy." );
    return $errors;
  endif;
  return $errors;
}

// Fill the meta 'foo_privacy_policy' with the value of the checkbox
add_action( 'personal_options_update', 'foo_privacy_policy_save' );
add_action( 'edit_user_profile_update', 'foo_privacy_policy_save' );
add_action( 'user_register', 'foo_privacy_policy_save' );
function foo_privacy_policy_save( $user_id ) {
  if ( isset( $_POST['foo_privacy_policy'] ) ){
    update_user_meta( $user_id, 'foo_privacy_policy', $_POST['foo_privacy_policy'] );
  }else{
    update_user_meta( $user_id, 'foo_privacy_policy', 'off' );
  }
}

// Add the checkbox to user profile home
add_action( 'show_user_profile', 'foo_show_extra_profile_fields' );
add_action( 'edit_user_profile', 'foo_show_extra_profile_fields' );
function foo_show_extra_profile_fields( $user ) {
    ?>
    <h3><?php esc_html_e( 'Privacy Policy', 'foo' ); ?></h3>

    <table class="form-table">
        <tr>
            <td>
            <input type="checkbox" name="foo_privacy_policy" id="foo_privacy_policy" class="checkbox" style="float: left; height: 50px;" <?php if(get_the_author_meta('foo_privacy_policy', $user->ID)=='on' ){ echo "checked"; } ?> />
    <label for="foo_privacy_policy"><?php _e( 'Privacy Policy', 'foo' ) ?>
    </label></td>
        </tr>
    </table>
    <?php
}

Второй вариант

1. register_form Allow rendering of new HTML element.

// Add privacy policy field.
add_action( 'register_form', 'loginpress_add_privacy_policy_field' );
function loginpress_add_privacy_policy_field() { ?>
  <p>
    <label for="lp_privacy_policy"><?php _e( 'Privacy Policy', 'loginpress' ) ?><br />
      <input type="checkbox" name="lp_privacy_policy" id="lp_privacy_policy" class="checkbox" />
    </label>
  </p>
  <?php
}

2. registration_errors Perform validation on form registration fields.

// Add validation. In this case, we make sure lp_privacy_policy is required.
add_filter( 'registration_errors', 'loginpresss_privacy_policy_auth', 10, 3 );

function loginpresss_privacy_policy_auth( $errors, $sanitized_user_login, $user_email ) {

  if ( ! isset( $_POST['lp_privacy_policy'] ) ) :

    $errors->add( 'policy_error', "<strong>ERROR</strong>: Please accept the privacy policy." );
    return $errors;
  endif;
  return $errors;
}

3. user_register Save custom form data.

// Lastly, save our extra registration user meta.
add_action( 'user_register', 'loginpress_privacy_policy_save' );

function loginpress_privacy_policy_save( $user_id ) {

  if ( isset( $_POST['lp_privacy_policy'] ) )
     update_user_meta( $user_id, 'lp_privacy_policy', $_POST['lp_privacy_policy'] );
}

Плагин LH Agree to Terms

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