UserDetails working

+<?php
+namespace Tz\WordPress\Tools\UserDetails;
+use Tz, Tz\Common, Tz\WordPress\Tools;
+
+const SETTING_NS = 'tz-user-details';
+const CAPABILITY = 'edit_user_details';
+
+    call_user_func(function() {
+        Tz\import('Tz', 'trunk');
+
+        $role = get_role('administrator');
+        $role->add_cap(CAPABILITY);
+
+        Tools\add_actions(__NAMESPACE__ . '\Actions');
+
+        // This for later if done via front end instead of backend
+        //Vars::$meta_fields = new Tools\WP_Option(SETTING_NS);
+    });
+
+function register_field($id, $display = null) { //, Common\Callback $fn = null) {
+    if (is_null($display)) {
+        $display = ucwords(str_replace(Array('-', '_'), ' ', $id));
+    }
+
+    Vars::$fields[$id] = Array(
+        'id'       => $id
+      , 'label'    => $display
+//      , 'callback' => $fn
+    );
+}
+
+/**
+ * @returns Array
+ */
+function get_registered_fields() {
+//    return assosative array('id' => 'val');
+}
+
+function get_user_id() {
+    if (isset($_GET['user_id'])) {
+        return $_GET['user_id'];
+    }
+
+    if (isset($_POST['user_id'])) {
+        return $_POST['user_id'];
+    }
+
+    global $current_user;
+    get_currentuserinfo();
+    return $current_user->ID;
+}
+
+class Actions {
+    public static function edit_user_profile() {
+        require(__DIR__ . DIRECTORY_SEPARATOR . 'view-user_profile.php');
+    }
+
+    public static function show_user_profile() {
+        static::edit_user_profile();
+    }
+}
+
+class Vars {
+    /**
+     * @private
+     * @deprecated
+     */
+    public static $meta_fields;
+
+    public static $fields = Array();
+}
+?>
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+<?php
+namespace Tz\WordPress\Tools\UserDetails;
+?>
+
+<h3>Additional Info</h3>
+
+<table class="form-table"><tbody>
+<?php foreach (Vars::$fields as $id => $info): ?>
+    <tr>
+        <th><label for="<?php echo $id; ?>"><?php echo $info['label']; ?></label></th>
+        <td><input type="text" class="regular-text" name="<?php echo $id; ?>" id="<?php echo $id; ?>" value="<?php echo esc_attr(get_user_meta(get_user_id(), $id, true )); ?>" /></td>
+    </tr>
+<?php endforeach; ?>
+</tbody></table>
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