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wp-content/plugins/mailchimp-for-wp/integrations/affiliatewp/class-affiliatewp.php

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+<?php
+
+defined('ABSPATH') or exit;
+
+/**
+ * Class MC4WP_AffiliateWP_Integration
+ *
+ * @ignore
+ */
+class MC4WP_AffiliateWP_Integration extends MC4WP_User_Integration
+{
+    /**
+     * @var string
+     */
+    public $name = 'AffiliateWP';
+
+    /**
+     * @var string
+     */
+    public $description = 'Subscribes people from your AffiliateWP registration form.';
+
+    /**
+     * @var bool
+     */
+    public $shown = false;
+
+    /**
+     * Add hooks
+     */
+    public function add_hooks()
+    {
+        if (! $this->options['implicit']) {
+            add_action('affwp_register_fields_before_tos', array( $this, 'maybe_output_checkbox' ), 20);
+        }
+
+        add_action('affwp_register_user', array( $this, 'subscribe_from_registration' ), 90, 1);
+    }
+
+    /**
+     * Output checkbox, once.
+     */
+    public function maybe_output_checkbox()
+    {
+        if (! $this->shown) {
+            $this->output_checkbox();
+            $this->shown = true;
+        }
+    }
+
+    /**
+     * Subscribes from WP Registration Form
+     *
+     * @param int $affiliate_id
+     *
+     * @return bool|string
+     */
+    public function subscribe_from_registration($affiliate_id)
+    {
+
+        // was sign-up checkbox checked?
+        if (! $this->triggered()) {
+            return false;
+        }
+
+        // gather emailadress from user who WordPress registered
+        $user_id = affwp_get_affiliate_user_id($affiliate_id);
+        $user    = get_userdata($user_id);
+
+        // was a user found with the given ID?
+        if (! $user instanceof WP_User) {
+            return false;
+        }
+
+        $data = $this->user_merge_vars($user);
+
+        return $this->subscribe($data, $user_id);
+    }
+    /* End registration form functions */
+
+
+    /**
+     * @return bool
+     */
+    public function is_installed()
+    {
+        return class_exists('Affiliate_WP');
+    }
+}