Require register helper fields set as required in the edit user form when a user edits or updates their profile. $pmpro #rh #profile

pmprorh-make-profile-fields-required.php

<?php

/**
 * This recipe makes required Register Helper fields added to the profile 
 * required in the user edit profile form.
 *
 * Requires the Register Helper field atributes profile and required set to true, e.g.
 * 'profile' => true,
 * 'required' => true,
 * 
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */

function pmprorh_make_profile_fields_required( $errors, $update, $user ) {

	global $pagenow;

	// bail if RH not active
	if ( ! function_exists( 'pmprorh_add_registration_field' ) || ! is_admin() || 'profile.php' != $pagenow ) {
		return false;
	}
	//bail if administrator
	if ( current_user_can( 'manage_options' ) ) {
		return;
	}

	$user_id = $user->ID;

	if ( ! $user_id ) {
		$user_id = get_current_user_id();
	}

	$profile_fields = pmprorh_getProfileFields( $user_id );

	foreach ( $profile_fields as $field ) {

		$field_name = $field->name;

		/**
		 * Check that attribute required function_exists.
		 * Check if required attribute is set to true.
		 * Check that field is not empty
		 * If fieldtype is textarea, check that it's not filled with just spaces.
		 * If fieldtype is text, check that it's not filled with just spaces.
		 * If fieldtype is select with multiple attribute,
		 * check that first value in array is not empty.
		 *
		 * Note: splitting "if" conditions across multiple lines for readability
		 */

		if ( isset( $field->required ) && true === $field->required
			&& ( empty( $_POST[ $field_name ] )
				|| ( 'textarea' === $field->type && empty( trim( $_POST[ $field_name ] ) ) )
				|| ( 'text' === $field->type && empty( trim( $_POST[ $field_name ] ) ) )
				|| ( $field->multiple && empty( trim( $_POST[ $field_name ][0] ) ) )
				)
		) {

			$error_msg = '<strong>ERROR</strong>: ';

			// Fall back to field name if no label is set
			if ( isset( $field->label ) ) {
				$error_msg .= 'The ' . $field->label . ' field is required. ';
			} else {
				$error_msg .= 'The ' . $field->name . ' field is required. ';
			}

			$error_msg .= 'Please complete all required fields.';

			$errors->add( 'pmprorh_empty_profile_fields', $error_msg );
		}
	}
}
add_action( 'user_profile_update_errors', 'pmprorh_make_profile_fields_required', 10, 3 );