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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' );
+	}
+}