Paid Memberships Pro (PMPro) - Get a single field value from the current user (ex: in a profile page)

ProfileFieldShortCode.php

<?php

/**
 * Shortcode to display a profile field.
 */

namespace CSDev\PMProCustom;

new ProfileField();

class ProfileField
{
    public function __construct()
    {
        add_shortcode('pmpro_profile_field', array($this, 'shortcode'));
    }

    function shortcode($atts)
    {
        $user = pmpromd_get_user();
        if (empty($user) || empty($atts['field'])) {
            return '';
        }

        // Handle special cases (e.g., membership level)
        if ($atts['field'] === 'membership_level') {
            $level = pmpro_getMembershipLevelForUser($user->ID);
            return $level ? $level->name : '';
        }
        return $user->{$atts['field']} ?? get_user_meta($user->ID, $atts['field'], true);
    }
}