<?php

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/**

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* Handles sending information to our api.ninjaforms.com endpoint.

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*

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* @since 3.2

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*/

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final class NF_Dispatcher

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{

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private $api_url = 'http://api.ninjaforms.com/';

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/**

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* Returns bool true if we are opted-in or have a premium add-on.

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* If a premium add-on is installed, then users have opted into tracked via our terms and conditions.

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* If no premium add-ons are installed, check to see if the user has opted in or out of anonymous usage tracking.

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*

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* @since version

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* @return bool

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*/

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public function should_we_send() {

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/**

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* TODO:

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* Prevent certain URLS or IPs from submitting. i.e. staging, 127.0.0.1, localhost, etc.

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*/

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if ( ! has_filter( 'ninja_forms_settings_licenses_addons' ) && ( ! Ninja_Forms()->tracking->is_opted_in() || Ninja_Forms()->tracking->is_opted_out() ) ) {

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return false;

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}

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return true;

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}

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/**

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* Package up our environment variables and send those to our API endpoint.

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*

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* @since 3.2

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* @return void

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*

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* @updated 3.3.17

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*/

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public function update_environment_vars() {

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global $wpdb;

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// Plugins

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$active_plugins = (array) get_option( 'active_plugins', array() );

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//WP_DEBUG

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if ( defined('WP_DEBUG') && WP_DEBUG ){

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$debug = 1;

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} else {

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$debug = 0;

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}

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//WPLANG

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if ( defined( 'WPLANG' ) && WPLANG ) {

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$lang = WPLANG;

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} else {

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$lang = 'default';

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}

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$ip_address = '';

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if ( array_key_exists( 'SERVER_ADDR', $_SERVER ) ) {

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$ip_address = $_SERVER[ 'SERVER_ADDR' ];

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} else if ( array_key_exists( 'LOCAL_ADDR', $_SERVER ) ) {

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$ip_address = $_SERVER[ 'LOCAL_ADDR' ];

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}

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// If we have a valid IP Address...

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if ( filter_var( $ip_address, FILTER_VALIDATE_IP ) ) {

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// Get the hostname.

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$host_name = gethostbyaddr( $ip_address );

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} else {

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$host_name = 'unknown';

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}

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if ( is_multisite() ) {

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$multisite_enabled = 1;

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} else {

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$multisite_enabled = 0;

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}

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$environment = array(

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'nf_version' => Ninja_Forms::VERSION,

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'nf_db_version' => get_option( 'ninja_forms_db_version', '1.0' ),

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'wp_version' => get_bloginfo('version'),

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'multisite_enabled' => $multisite_enabled,

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'server_type' => $_SERVER['SERVER_SOFTWARE'],

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'php_version' => phpversion(),

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'mysql_version' => $wpdb->db_version(),

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'wp_memory_limit' => WP_MEMORY_LIMIT,

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'wp_debug_mode' => $debug,

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'wp_lang' => $lang,

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'wp_max_upload_size' => size_format( wp_max_upload_size() ),

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'php_max_post_size' => ini_get( 'post_max_size' ),

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'hostname' => $host_name,

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'smtp' => ini_get('SMTP'),

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'smtp_port' => ini_get('smtp_port'),

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'active_plugins' => $active_plugins,

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);

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$this->send( 'update_environment_vars', $environment );

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}

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/**

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* Package up our form data and send it to our API endpoint.

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*

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* @since 3.2

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* @return void

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*/

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public function form_data() {

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global $wpdb;

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// If we have not finished the process...

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if ( ! get_option( 'nf_form_tel_sent' ) || 'false' == get_option( 'nf_form_tel_sent' ) ) {

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// Get our list of already processed forms (if it exists).

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$forms_ref = get_option( 'nf_form_tel_data' );

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// Get a list of Forms on this site.

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$sql = "SELECT id FROM `" . $wpdb->prefix . "nf3_forms`";

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$forms = $wpdb->get_results( $sql, 'ARRAY_A' );

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// If our list of processed forms already exists...

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if ( ! empty( $forms_ref ) ) {

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// Break those into an array.

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$forms_ref = explode( ',', $forms_ref );

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} // Otherwise...

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else {

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// Make sure we have an array.

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$forms_ref = array();

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}

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$match_found = false;

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// For each form...

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foreach ( $forms as $form ) {

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// If the current form is not in our list of sent values...

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if ( ! in_array( $form[ 'id' ], $forms_ref ) ) {

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// Set our target ID.

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$id = $form[ 'id' ];

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// Record that we found a match.

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$match_found = true;

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}

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}

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// If we didn't find a match.

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if ( ! $match_found ) {

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// Record that we're done.

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update_option( 'nf_form_tel_sent', 'true', false );

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// Exit.

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return false;

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}// Otherwise... (We did find a match.)

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// Get our form.

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$form_data = Ninja_Forms()->form( intval( $id ) )->get();

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// Setup our data value.

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$data = array();

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// Set the form title.

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$data[ 'title' ] = $form_data->get_setting( 'title' );

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$sql = "SELECT COUNT(meta_id) AS total FROM `" . $wpdb->prefix . "postmeta` WHERE meta_key = '_form_id' AND meta_value = '" . intval( $id ) . "'";

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$result = $wpdb->get_results( $sql, 'ARRAY_A' );

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// Set the number of submissions.

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$data[ 'subs' ] = $result[ 0 ][ 'total' ];

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// Get our fields.

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$field_data = Ninja_Forms()->form( intval( $id ) )->get_fields();

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$data[ 'fields' ] = array();

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// For each field on the form...

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foreach ( $field_data as $field ) {

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// Add that data to our array.

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$data[ 'fields' ][] = $field->get_setting( 'type' );

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}

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// Get our actions.

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$action_data = Ninja_Forms()->form( intval( $id ) )->get_actions();

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$data[ 'actions' ] = array();

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// For each action on the form...

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foreach ( $action_data as $action ) {

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// Add that data to our array.

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$data[ 'actions' ][] = $action->get_setting( 'type' );

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}

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// Add this form ID to our option.

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$forms_ref[] = $id;

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// Update our option.

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update_option( 'nf_form_tel_data', implode( ',', $forms_ref ), false );

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$this->send( 'form_data', $data );

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}

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}

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/**

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* Sends a campaign slug and data to our API endpoint.

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* Checks to ensure that the user has 1) opted into tracking or 2) they have a premium add-on installed.

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*

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* @since 3.2

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* @param string $slug Campaign slug

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* @param array $data Array of data being sent. Should NOT already be a JSON string.

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* @return void

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*/

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public function send( $slug, $data = array() ) {

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if ( ! $this->should_we_send() ) {

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return false;

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}

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/**

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* Gather site data before we send.

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*

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* We send the following site data with our passed data:

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* IP Address

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* Email

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* Site Url

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*/

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$ip_address = '';

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if ( array_key_exists( 'SERVER_ADDR', $_SERVER ) ) {

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$ip_address = $_SERVER[ 'SERVER_ADDR' ];

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} else if ( array_key_exists( 'LOCAL_ADDR', $_SERVER ) ) {

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$ip_address = $_SERVER[ 'LOCAL_ADDR' ];

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}

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/**

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* Email address of the current user.

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* (if one was provided)

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*/

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$email = isset( $data[ 'user_email' ] ) ? $data[ 'user_email' ] : '';

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$site_data = array(

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'url' => site_url(),

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'ip_address' => $ip_address,

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'email' => $email,

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);

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/*

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* Send our data using wp_remote_post.

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*/

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$response = wp_remote_post(

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$this->api_url,

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array(

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'body' => array(

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'slug' => $slug,

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'data' => wp_json_encode( $data ),

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'site_data' => wp_json_encode( $site_data ),

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),

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)

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);

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}

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}

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