<?php

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namespace sgpb;

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/**

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* Allows plugins to use their own update API.

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* Note: This updater is not used for Community/Hosted version of the plugin.

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* This class is included in addons to have an update system in a single file rather than including it in each extension.

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*/

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class WOOSL_CodeAutoUpdate

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{

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// URL to check for updates, this is where the index.php script goes

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private $plugin;

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private $api_url;

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private $slug;

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private $API_VERSION = 1.1;

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private $product_unique_id;

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private $license;

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private $name;

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private $version;

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private $cache_key = '';

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private $beta = '';

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function __construct($api_url, $plugin, $product_unique_id, $license, $version)

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{

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$this->api_url = $api_url;

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$this->slug = basename($plugin, '.php');

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$this->plugin = $plugin;

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$this->product_unique_id = $product_unique_id;

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$this->license = $license;

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$this->name = plugin_basename($plugin);

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$this->cache_key = md5(serialize($this->slug.$this->license));

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$this->version = $version;

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$this->init();

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}

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public function init()

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{

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add_filter('pre_set_site_transient_update_plugins', array($this, 'check_update'));

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add_filter('plugins_api', array($this, 'plugins_api_filter'), 10, 3);

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remove_action('after_plugin_row_'.$this->name, 'wp_plugin_update_row', 10);

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add_action('after_plugin_row_'.$this->name, array($this, 'show_update_notification'), 10, 2);

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}

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public function getVersionInfoFromCache($cache_key = '')

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{

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if (empty($cache_key)) {

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$cache_key = $this->cache_key;

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}

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$cache = get_option($cache_key);

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if (empty($cache['timeout']) || current_time('timestamp') > $cache['timeout']) {

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return false;

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}

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return json_decode($cache['value']);

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}

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public function updateVersionInfoInCache($value = '', $cache_key = '')

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{

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if (empty($cache_key)) {

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$cache_key = $this->cache_key;

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}

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$data = array(

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'timeout' => strtotime('+3 hours', current_time('timestamp')),

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'value' => wp_json_encode($value)

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);

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update_option($cache_key, $data, 'no');

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}

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private function getVersionInfoFromApi()

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{

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global $wp_version;

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$request = $this->prepare_request('plugin_information');

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$request_uri = $this->api_url.'?'.http_build_query($request , '', '&');

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$response = wp_remote_get($request_uri, array(

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'timeout' => 20,

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'user-agent' => 'WordPress/'.$wp_version.'; '.get_bloginfo('url'),

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));

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$responseBody = wp_remote_retrieve_body($response);

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if (empty($responseBody)) {

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return [];

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}

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$response = json_decode($responseBody)[0];

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if (is_object($response) && !empty($response)) {

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$response = $this->postprocess_response($response);

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return $response;

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}

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return [];

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}

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private function getVersionInfo()

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{

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$versionInfo = $this->getVersionInfoFromCache();

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if (empty($versionInfo)) {

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$versionInfo = $this->getVersionInfoFromApi();

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$this->updateVersionInfoInCache($versionInfo);

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}

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return $versionInfo;

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}

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public function show_update_notification($file, $plugin)

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{

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if (!current_user_can('update_plugins') || $this->name != $file) {

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return;

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}

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// Remove our filter on the site transient

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remove_filter('pre_set_site_transient_update_plugins', array($this, 'check_update'), 10);

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$update_cache = get_site_transient('update_plugins');

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$update_cache = is_object( $update_cache ) ? $update_cache : new \stdClass();

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if (empty($update_cache->response) || empty($update_cache->response[$this->name])) {

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$version_info = $this->getVersionInfo();

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if (!is_object($version_info) || !isset($version_info->version) || !isset($version_info->new_version)) {

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return;

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}

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if (version_compare($this->version, $version_info->new_version, '<')) {

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$update_cache->response[$this->name] = $version_info;

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}

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$update_cache->last_checked = current_time('timestamp');

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$update_cache->checked[$this->name] = $this->version;

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set_site_transient('update_plugins', $update_cache);

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} else {

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$version_info = $update_cache->response[$this->name];

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}

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// Restore our filter

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add_filter('pre_set_site_transient_update_plugins', array($this, 'check_update'));

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if (!empty($update_cache->response[$this->name]) && version_compare($this->version, $version_info->new_version, '<')) {

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do_action("in_plugin_update_message-{$file}", $plugin, $version_info);

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} else {

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set_site_transient('update_plugins', $update_cache);

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}

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}

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public function check_update($checked_data)

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{

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if (!is_object($checked_data) || !isset($checked_data->response)) {

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return $checked_data;

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}

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$version_info = $this->getVersionInfo();

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if( !isset($version_info->version) || !isset($version_info->new_version))

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{

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return $checked_data;

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}

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if (version_compare($this->version, $version_info->new_version, '<')) {

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$checked_data->last_checked = current_time('timestamp');

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$checked_data->checked[$this->name] = $this->version;

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$checked_data->response[$this->name] = $version_info;

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}

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return $checked_data;

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}

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public function plugins_api_filter($def, $action, $args)

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{

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if (!is_object($args) || !isset($args->slug) || $args->slug != $this->slug) {

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return $def;

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}

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$request_string = $this->prepare_request($action, $args);

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if ($request_string === FALSE) {

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return new \WP_Error('plugins_api_failed', __('An error occour when try to identify the plugin.' , 'popup-builder') . '&lt;/p> &lt;p>&lt;a href=&quot;?&quot; onclick=&quot;document.location.reload(); return false;&quot;>'. __( 'Try again', 'popup-builder' ) .'&lt;/a>');;

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}

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global $wp_version;

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$request_uri = $this->api_url.'?'.http_build_query($request_string , '', '&');

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$data = wp_remote_get($request_uri, array(

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'timeout' => 20,

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'user-agent' => 'WordPress/'.$wp_version.'; '.get_bloginfo('url'),

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));

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if (is_wp_error($data) || $data['response']['code'] != 200) {

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return new \WP_Error('plugins_api_failed', __('An Unexpected HTTP Error occurred during the API request.' , 'popup-builder') . '&lt;/p> &lt;p>&lt;a href=&quot;?&quot; onclick=&quot;document.location.reload(); return false;&quot;>'. __( 'Try again', 'popup-builder' ) .'&lt;/a>', $data->get_error_message());

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}

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$response_block = json_decode($data['body']);

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//retrieve the last message within the $response_block

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$response_block = $response_block[count($response_block) - 1];

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$response = $response_block->message;

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if (is_object($response) && !empty($response)) {

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$response = $this->postprocess_response($response);

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return $response;

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}

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}

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public function prepare_request($action, $args = array())

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{

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global $wp_version;

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return array(

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'woo_sl_action' => $action,

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'version' => '1.4.2',

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'product_unique_id' => $this->product_unique_id,

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'licence_key' => $this->license,

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'domain' => home_url(),

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'wp-version' => $wp_version,

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'api_version' => $this->API_VERSION

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);

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}

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private function postprocess_response($response)

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{

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//include slug and plugin data

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$response->slug = $this->slug;

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$response->plugin = $this->plugin;

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//if sections are being set

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if (isset($response->version)) {

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$response->new_version = $response->version;

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}

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else

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$response->new_version = $this->version;

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//if sections are being set

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if (isset($response->sections)) {

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$response->sections = (array)$response->sections;

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}

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//if banners are being set

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if (isset($response->banners)) {

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$response->banners = (array)$response->banners;

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}

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//if icons being set, convert to array

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if (isset($response->icons)) {

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$response->icons = (array)$response->icons;

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}

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return $response;

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}

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}

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