adminfunctions.php

<?php
//Exit if not called in proper context
if (!defined('ABSPATH')) exit();

/**
 * Sanitizes content for allowed HTML tags for FoxyShop HTML blocks.
 *
 * This uses the native wp_kses() function, and expands on the default $allowedposttags array
 * but with added tags related to forms and inputs, and the custom attributes that FoxyShop uses
 *
 * This function expects unslashed data.
 *
 * @param string $data Post content to filter.
 * @param array $filter_tags An array of HTML tags to limit the sanitization to.
 * @param boolean $allow_forms Whether or not to allow form tags.
 * @return string Filtered post content with allowed HTML tags and attributes intact.
 */
function foxy_wp_kses_html($data, $filter_tags = [], $allow_forms = false){

	$foxy_additional_tags = [
		'input' => [
			'type' => true,
			'name' => true,
			'value' => true,
			'class' => true,
			'id' => true,
			'checked' => true,
			'disabled' => true,
			'style' => true,
			'rel' => true,
			'onblur' => true,
			'priceset' => true,
			'pricechange' => true,
			'displaykey' => true,
			'dkey' => true,
			'imagekey' => true,
			'code' => true,
			'codeadd' => true,
			'subfrequency' => true
		],
		'select' => [
			'name' => true,
			'value' => true,
			'class' => true,
			'id' => true,
			'disabled' => true,
			'style' => true,
			'onblur' => true,
			'priceset' => true,
			'pricechange' => true,
			'displaykey' => true,
			'imagekey' => true,
			'code' => true,
			'codeadd' => true,
			'subfrequency' => true
		],
		'option' => [
			'value' => true,
			'disabled' => true,
			'selected' => true,
			'priceset' => true,
			'pricechange' => true,
			'displaykey' => true,
			'imagekey' => true,
			'code' => true,
			'codeadd' => true,
			'subfrequency' => true
		],
		'label' => [
			'dkey' => true
		],
		'table' => [
			'rel' => true
		],
		'div' => [
			'dkey' => true
		]
	];

	$foxy_allowedtags = wp_kses_allowed_html( 'post' );

	foreach ($foxy_additional_tags as $el => $attributes) {
		if (array_key_exists($el, $foxy_allowedtags)) {
			$foxy_allowedtags[$el] = array_merge($foxy_allowedtags[$el], $attributes);
		} else {
			$foxy_allowedtags[$el] = $attributes;
		}
	}

	if ($allow_forms) {
		$foxy_allowedtags['form'] = [
			'name' => true,
			'class' => true,
			'id' => true,
			'style' => true,
			'onsubmit' => true
		];
		$foxy_allowedtags['input']['onclick'] = true;
		$foxy_allowedtags['a']['onclick'] = true;
	}

	if (count($filter_tags) > 0) {
		$filtered_tags = [];
		foreach ($filter_tags as $key => $el) {
			if (array_key_exists($el, $foxy_allowedtags)) {
				$filtered_tags[$el] = $foxy_allowedtags[$el];
			}
		}
		$foxy_allowedtags = $filtered_tags;
	}

	// Remove HTML comments, because wp_kses doesn't if it contains HTML and outputs the comment tags to the page instead
	$data = preg_replace('/<!--(.|\s)*?-->/', '', $data);

	// Allow additional styles for CSS filtering
	add_filter('safe_style_css', 'foxyshop_alter_safe_style_css', 10, 1 );
	// Filter the HTML using our customised set of allowed tags
	$filtered = wp_kses($data, $foxy_allowedtags, ['http', 'https', 'mailto', 'sms', 'tel', 'fax', 'webcal']);
	// Revert back to default allowed styles
	remove_filter('safe_style_css', 'foxyshop_alter_safe_style_css', 10);

	return $filtered;
}

// Allow "display" style to the list of allowed CSS styles
function foxyshop_alter_safe_style_css( $styles ) {
    $styles[] = 'display';
    return $styles;
}

//Insert jQuery
function foxyshop_insert_jquery() {

	$jquery_url = "//ajax.googleapis.com/ajax/libs/jquery/" . foxyshop_get_jquery_version() . "/jquery.min.js";
	wp_deregister_script('jquery');
	wp_register_script('jquery', apply_filters('foxyshop_jquery_url', $jquery_url), array(), NULL, false);
	wp_enqueue_script('jquery');
}

function foxyshop_get_jquery_version() {
	global $foxyshop_settings;

	$jquery_version = FOXYSHOP_JQUERY_VERSION;
	if (version_compare($foxyshop_settings['version'], '1.0', "<=") && version_compare($jquery_version, '1.8.3', ">")) {
		$jquery_version = "1.8.3";
	}
	return $jquery_version;
}

//Remove jQuery
function foxyshop_remove_jquery() {
	wp_dequeue_script('jquery');
}

//Loading in Admin Scripts
function foxyshop_load_admin_scripts($hook) {
	global $foxyshop_settings;

	$page = isset($_REQUEST['page']) ? sanitize_text_field($_REQUEST['page']) : '';

	//Style - Always Do This
	wp_enqueue_style('foxyshop_admin_css', FOXYSHOP_DIR . '/css/foxyshop-admin.min.css');
	wp_enqueue_script('foxyshop_tablesorter', FOXYSHOP_DIR . '/js/tablesorter.js', ['jquery'], true);
	wp_enqueue_script('foxyshop_admin', FOXYSHOP_DIR . '/js/foxyshop-admin.min.js', ['jquery'], true);

	//Date Picker
	if ($page == "foxyshop_order_management" || $page == "foxyshop_subscription_management") foxyshop_date_picker();

	//Custom Sorter
	if ($page == "foxyshop_custom_sort" || $page == "foxyshop_category_sort" ||  $page == "foxyshop_tools") {
		wp_enqueue_script('jquery-ui-core');
		wp_enqueue_script('jquery-ui-sortable');
	}

	//Product
	if ($hook !== 'post.php' && $hook !== 'post-new.php' && $page !== 'cfbe_editor-foxyshop_product' && $page !== 'foxyshop_setup') return;
	wp_enqueue_script('foxyshop_products_admin', FOXYSHOP_DIR . '/js/products-admin.min.js', ['jquery'], true);
	wp_enqueue_script('swfobject');
	wp_enqueue_script('dropzoneScript', FOXYSHOP_DIR . '/js/dropzone.min.js', array('jquery'));
	wp_enqueue_style('dropzoneStyle', FOXYSHOP_DIR . '/css/dropzone.min.css');
	if ($foxyshop_settings['related_products_custom'] || $foxyshop_settings['related_products_tags'] || $foxyshop_settings['enable_addon_products']) {
		wp_enqueue_script('chosenScript', FOXYSHOP_DIR . '/js/chosen.min.js', array('jquery'));
		wp_enqueue_style('chosenStyle', FOXYSHOP_DIR . '/css/chosen.min.css');
	}
	foxyshop_date_picker();
}

//Loading in Public scripts and styles
function foxyshop_load_site_scripts() {
	wp_enqueue_style( 'foxyshop_css', FOXYSHOP_DIR . '/css/foxyshop.min.css', array(), FOXYSHOP_VERSION);
}


function foxyshop_date_picker() {
	wp_enqueue_style('jquery-ui-style', FOXYSHOP_DIR . '/css/jquery-ui.css', array(), FOXYSHOP_VERSION);
	wp_enqueue_script('jquery-ui-datepicker', array('jquery','jquery-ui-core'));
}

//Check Permalinks on all admin pages and warn if incorrect
add_action('admin_notices', 'foxyshop_check_permalinks');
function foxyshop_check_permalinks() {
	$permalink_structure = (isset($_POST['permalink_structure']) ? sanitize_text_field($_POST['permalink_structure']) : get_option('permalink_structure'));
	if ($permalink_structure == '' && current_user_can('manage_options')) {
		echo '<div class="error"><p><strong>Warning:</strong> Your <a href="options-permalink.php">permalink structure</a> is set to default. Your product links will not work correctly until you have turned on Permalink support. It is recommend that you set to "Month and Name".</p></div>';
	}
}

// Warn for deprecated functionality
add_action('admin_notices', 'foxyshop_check_deprecations');
function foxyshop_check_deprecations() {
	global $foxyshop_settings;
	$current_screen = get_current_screen();

	if ($current_screen->post_type == "foxyshop_product") {
		if ($foxyshop_settings['ga'] != "" && version_compare($foxyshop_settings['version'], '2.0', "<") && current_user_can('manage_options')) {
			echo '<div class="error"><p><strong>Warning:</strong> Google Analytics is no longer supported for FoxyShop\'s checkout and receipt templates. Please upgrade to Foxy 2.0 to make use of the new native Google Analytics integration.</p></div>';
		}
		if ($foxyshop_settings['use_jquery'] === "on" && current_user_can('manage_options')) {
			echo '<div class="error"><p><strong>Warning:</strong> Embedding a custom version of jQuery will be removed from an upcoming version of FoxyShop to rely instead on the default version included by Wordpress. You currently have this option enabled within your FoxyShop settings. If you have this enabled to rely on an older version of jQuery, you will need to take steps to handle this natively yourself, otherwise turn off this option in the plugin settings. Please <a href="https://foxy.io/contact" title="Contact Foxy.io">contact us</a> if you are unsure about this change.</p></div>';
		}
	}
}



//Insert Google Analytics
function foxyshop_insert_google_analytics() {
	global $foxyshop_settings;

	$toadd = '';

	//Advanced
	if ($foxyshop_settings['ga_advanced']) {

		//Not Supported on 2.0 at this time
		if (version_compare($foxyshop_settings['version'], '2.0', ">=")) return;

		//Universal
		if ($foxyshop_settings['ga_type'] == "universal") {
			$toadd = "(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  ga('create', '".htmlspecialchars($foxyshop_settings['ga'])."', 'auto');";

   if ($foxyshop_settings['ga_demographics']) {
		$toadd .= "ga('require', 'displayfeatures');\n";
   }
  $toadd .= "ga('send', 'pageview');

  fcc.events.cart.preprocess.add(function(e, arr) {
    if (arr['cart'] == 'checkout' || arr['cart'] == 'updateinfo' || arr['output'] == 'json') {
      return true;
    }
    if (arr['cart'] == 'checkout_paypal_express') {
      ga('send', 'pageview', '/paypal_checkout', {
        'hitCallback': function() {
          jQuery.getJSON('https://' + document.domain + '/cart?' + fcc.session_get() + '&h:_fcpm=paypal|cart&output=json&callback=?', function(cart) {
            fcc.events.cart.preprocess.resume();
          });
        }
      });
      return 'pause';
    }
    return true;
  });
  fcc.events.cart.process.add_pre(function(e, arr) {
    ga(function(tracker) {
      jQuery.getJSON('https://' + storedomain + '/cart?' + fcc.session_get() + '&h:ga=' + escape(tracker.get('clientId')) + '&output=json&callback=?', function(data){
        fcc.events.cart.process.resume();
      });
    });
    return 'pause';
  });";

		//Legacy
		} else {

		$toadd = "
	var _gaq = _gaq || [];
	_gaq.push(['_setAccount', '".htmlspecialchars($foxyshop_settings['ga'])."']);
	_gaq.push(['_setDomainName', '".($_SERVER['SERVER_NAME'])."']);
	_gaq.push(['_setAllowHash', 'false']);";

	if (strpos($foxyshop_settings['domain'], '.foxycart.com') !== false) {
		$toadd.= "_gaq.push(['_setAllowLinker', true]);\n";
	}

	$toadd .= "_gaq.push(['_trackPageview']);
	(function() {
		var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
		ga.src = ".apply_filters("ga_classic_src", "('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';")."
		var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
	})();
	fcc.events.cart.preprocess.add(function(e, arr) {
		if (arr['cart'] == 'checkout' || arr['cart'] == 'updateinfo' || arr['output'] == 'json') {
			return true;
		}
		if (arr['cart'] == 'checkout_paypal_express') {
			_gaq.push(['_trackPageview', '/paypal_checkout']);
			return true;
		}
		_gaq.push(['_trackPageview', '/cart']);
		return true;
	});
	fcc.events.cart.process.add_pre(function(e, arr) {
		var pageTracker = _gat._getTrackerByName();
		jQuery.getJSON('https://' + storedomain + '/cart?' + fcc.session_get() + '&h:ga=' + escape(pageTracker._getLinkerUrl('', true)) + '&output=json&callback=?', function(data){});
		return true;
	});";
		}



	//Regular Analytics, not advanced
	} else {
		if (!is_user_logged_in()) {


		//Universal
		if ($foxyshop_settings['ga_type'] == "universal") {
		$toadd = "
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  ga('create', '".htmlspecialchars($foxyshop_settings['ga']) ."', 'auto');
  ".(($foxyshop_settings['ga_demographics']) ? "ga('require', 'displayfeatures');\n" : "")."
  ga('send', 'pageview');";
		//Legacy
		} else {
		$toadd = "var _gaq = _gaq || [];
_gaq.push(['_setAccount', '".htmlspecialchars($foxyshop_settings['ga'])."']);
_gaq.push(['_trackPageview']);
(function() {
	var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
	ga.src = ".apply_filters("ga_classic_src", "('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';")."
	var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();";
		}

		} else {
			$toadd = ("\n<!-- Google Analytics Not Loaded Because This is a Logged-In User -->\n");
		}
	}
	wp_add_inline_script( 'foxyshop_js', $toadd );
}

//Google Analytics For Checkout
function foxyshop_insert_google_analytics_checkout() {
	// Deprecated
	return;
}


//Google Analytics For Receipt
function foxyshop_insert_google_analytics_receipt() {
	// Deprecated
	return;
}

//Product Category Comparison
function foxyshop_comparison($a, $b) {
	if ($a->sort_key == $b->sort_key) { return 0; }
	return ($a->sort_key < $b->sort_key) ? -1 : 1;
}

//Sort Categories
function foxyshop_sort_categories($obj, $categoryID) {
	global $foxyshop_category_sort;
	if (array_key_exists($categoryID,$foxyshop_category_sort)) {
		$sort_array = $foxyshop_category_sort[$categoryID];
		foreach($obj as $cat) {
			$cat->sort_key = 999;
			for ($i=0;$i<count($sort_array);$i++) {
				if ($sort_array[$i] == $cat->term_id) $cat->sort_key = $i;
			}
		}
		usort($obj,'foxyshop_comparison');
	}
	return $obj;
}

//Generate Products Per Page
function foxyshop_products_per_page() {
	global $foxyshop_settings;
	return $foxyshop_settings['products_per_page'];
}

//Hide Children Array
function foxyshop_hide_children_array($currentCategoryID) {
	global $foxyshop_settings;
	if ($foxyshop_settings['hide_subcat_children']) {
		$temp = get_objects_in_term($currentCategoryID, "foxyshop_categories");
		return array("post__not_in" => get_objects_in_term(get_term_children($currentCategoryID, "foxyshop_categories"), "foxyshop_categories"));
	} else {
		return array();
	}
}

//Place Plugin Activation Links
function foxyshop_plugin_action_links($links, $file) {
	static $this_plugin;
	if (!$this_plugin) $this_plugin = "foxyshop/foxyshop.php";
	if ($file == $this_plugin) {
		$settings_link = '<a href="' . get_bloginfo('wpurl') . '/wp-admin/edit.php?post_type=foxyshop_product&page=foxyshop_settings_page">Settings</a>';
		array_unshift($links, $settings_link);
	}
	return $links;
}

function foxyshop_dblquotes($str) {
	return str_replace('"','""',$str);
}


//Plugin Activation Function
function foxyshop_activation() {
	global $wpdb, $google_product_field_names;

	//Get Locale
	$current_locale = get_locale();
	if (!$current_locale) $current_locale = "en_US";

	//Defaults For Settings
	$default_foxyshop_settings = array(
		"domain" => "",
		"version" => "2.0",
		"foxyshop_version" => FOXYSHOP_VERSION,
		"ship_categories" => "",
		"enable_ship_to" => "",
		"use_cart_validation" => "1",
		"enable_subscriptions" => "",
		"expiring_cards_reminder" => "",
		"enable_bundled_products" => "",
		"enable_addon_products" => "",
		"enable_dashboard_stats" => "",
		"related_products_custom" => "on",
		"related_products_tags" => "",
		"browser_title_1" => FOXYSHOP_PRODUCT_NAME_SINGULAR . " | " . get_bloginfo("name"),
		"browser_title_2" => FOXYSHOP_PRODUCT_NAME_SINGULAR . " Categories | " . get_bloginfo("name"),
		"browser_title_3" => "%c | " . get_bloginfo("name"),
		"browser_title_4" => "%p | " . get_bloginfo("name"),
		"browser_title_5" => FOXYSHOP_PRODUCT_NAME_SINGULAR . " Search | " . get_bloginfo("name"),
		"browser_title_6" => get_bloginfo("name") . " Checkout",
		"browser_title_7" => get_bloginfo("name") . " Receipt",
		"weight_type" => "english",
		"default_weight" => "1 0.0",
		"use_jquery" => "",
		"hide_subcat_children" => "on",
		"generate_product_sitemap" => "on",
		"sort_key" => "menu_order",
		"enable_sso" => "",
		"orderdesk_url" => "",
		"sso_account_required" => "0",
		"ga" => "",
		"ga_advanced" => "",
		"ga_type" => "legacy",
		"ga_demographics" => "",
		"locale_code" => $current_locale,
		"manage_inventory_levels" => "",
		"inventory_alert_level" => 3,
		"inventory_alert_email" => "",
		"checkout_customer_create" => "",
		"datafeed_url_key" => substr(MD5(rand(1000, 99999)."{urlkey}" . date("H:i:s")),1,12),
		"default_image" => "",
		"foxycart_include_cache" => "",
		"template_url_cart" => "",
		"template_url_checkout" => get_bloginfo("url") . "/foxycart-checkout-template/",
		"template_url_receipt" => get_bloginfo("url") . "/foxycart-receipt-template/",
		"products_per_page" => -1,
		"downloadables_sync" => "",
		"google_product_support" => "",
		"google_product_merchant_id" => "",
		"google_product_auth" => "",
		"include_exception_list" => "",
		"show_add_to_cart_link" => "",
		"api_key" => "spfx" . hash_hmac('sha256', rand(2165,64898), "dkw81" . time()),
	);

	//Set For the First Time
	if (!get_option("foxyshop_settings")) {
		update_option("foxyshop_settings", $default_foxyshop_settings);
		add_option("foxyshop_setup_required", 1);
		return $default_foxyshop_settings;

	//Upgrade Tasks
	} else {

		$foxyshop_settings = maybe_unserialize(get_option("foxyshop_settings")); //Double Serialization Repair 3.6

		//Double Serialization Repair 3.6
		$foxyshop_category_sort = get_option("foxyshop_category_sort");
		if (is_serialized($foxyshop_category_sort)) {
			update_option('foxyshop_category_sort', unserialize($foxyshop_category_sort));
		}
		$foxyshop_saved_variations = get_option("foxyshop_saved_variations");
		if (is_serialized($foxyshop_saved_variations)) {
			update_option('foxyshop_saved_variations', unserialize($foxyshop_saved_variations));
		}

		//Run Some Upgrades
		if (!array_key_exists('version',$foxyshop_settings)) $foxyshop_settings['version'] = "0";
		if ($foxyshop_settings['version'] == "0.70") $foxyshop_settings['version'] = "0.7.0";
		if (!array_key_exists('locale_code',$foxyshop_settings)) $foxyshop_settings['locale_code'] = $current_locale;
		if (!array_key_exists('inventory_alert_email',$foxyshop_settings)) $foxyshop_settings['inventory_alert_email'] = "on";
		if (array_key_exists('inventory_url_key',$foxyshop_settings)) { $foxyshop_settings['datafeed_url_key'] = $foxyshop_settings['inventory_url_key']; unset($foxyshop_settings['inventory_url_key']); }
		if ($foxyshop_settings['sso_account_required'] == "") $foxyshop_settings['sso_account_required'] = 0;
		if ($foxyshop_settings['sso_account_required'] == "on") $foxyshop_settings['sso_account_required'] = 1;
		if (!array_key_exists('enable_dashboard_stats',$foxyshop_settings)) $foxyshop_settings['enable_dashboard_stats'] = ""; //3.0
		if (!array_key_exists('checkout_customer_create',$foxyshop_settings)) $foxyshop_settings['checkout_customer_create'] = ""; //3.2?
		if ($foxyshop_settings['default_image'] == FOXYSHOP_PLUGIN_URL."images/no-photo.png") $foxyshop_settings['default_image'] = ""; //3.3
		if (!$foxyshop_settings['domain']) add_option("foxyshop_setup_required", 1); //3.3
		if (!array_key_exists('foxycart_include_cache',$foxyshop_settings)) $foxyshop_settings['foxycart_include_cache'] = ""; //3.3
		if (!array_key_exists('related_products_custom',$foxyshop_settings)) $foxyshop_settings['related_products_custom'] = "on"; //3.3
		if (!array_key_exists('related_products_tags',$foxyshop_settings)) $foxyshop_settings['related_products_tags'] = ""; //3.3
		if (!array_key_exists('enable_addon_products',$foxyshop_settings)) $foxyshop_settings['enable_addon_products'] = ""; //3.4
		if (!array_key_exists('template_url_cart',$foxyshop_settings)) $foxyshop_settings['template_url_cart'] = ""; //3.5.1
		if (!array_key_exists('template_url_checkout',$foxyshop_settings)) $foxyshop_settings['template_url_checkout'] = ""; //3.5.1
		if (!array_key_exists('template_url_receipt',$foxyshop_settings)) $foxyshop_settings['template_url_receipt'] = ""; //3.6.1
		if (!array_key_exists('ups_worldship_export',$foxyshop_settings)) $foxyshop_settings['ups_worldship_export'] = ""; //3.7
		if (!array_key_exists('downloadables_sync',$foxyshop_settings)) $foxyshop_settings['downloadables_sync'] = ""; //3.7
		if (!array_key_exists('google_product_support',$foxyshop_settings)) $foxyshop_settings['google_product_support'] = ""; //3.7
		if (!array_key_exists('google_product_merchant_id',$foxyshop_settings)) $foxyshop_settings['google_product_merchant_id'] = ""; //3.7
		if (!array_key_exists('google_product_auth',$foxyshop_settings)) $foxyshop_settings['google_product_auth'] = ""; //3.7
		if (!array_key_exists('include_exception_list',$foxyshop_settings)) $foxyshop_settings['include_exception_list'] = ""; //3.9
		if (array_key_exists('ups_worldship_export',$foxyshop_settings)) unset($foxyshop_settings['ups_worldship_export']); //4.1
		if (!array_key_exists('show_add_to_cart_link',$foxyshop_settings)) $foxyshop_settings['show_add_to_cart_link'] = ""; //4.1.1
		if (!array_key_exists('orderdesk_url',$foxyshop_settings)) $foxyshop_settings['orderdesk_url'] = ""; //4.1.4
		if (!array_key_exists('expiring_cards_reminder',$foxyshop_settings)) $foxyshop_settings['expiring_cards_reminder'] = $foxyshop_settings['enable_subscriptions']; //4.1.5
		if (!array_key_exists('use_cart_validation',$foxyshop_settings)) $foxyshop_settings['use_cart_validation'] = (defined('FOXYSHOP_SKIP_VERIFICATION') ? 0 : 1); //4.2
		if (!array_key_exists('browser_title_6', $foxyshop_settings)) $foxyshop_settings['browser_title_6'] = get_bloginfo("name") . " Checkout"; //4.4
		if (!array_key_exists('browser_title_7', $foxyshop_settings)) $foxyshop_settings['browser_title_7'] = get_bloginfo("name") . " Receipt"; //4.4
		if (!array_key_exists('ga_type',$foxyshop_settings)) $foxyshop_settings['ga_type'] = 'legacy'; //4.5



		//Upgrade Variations in 3.0
		if (version_compare($foxyshop_settings['foxyshop_version'], '3.0', "<")) {
			$temp_max_variations = (array_key_exists('max_variations',$foxyshop_settings) ? $foxyshop_settings['max_variations'] : 10);
			$products = get_posts(array('post_type' => 'foxyshop_product', 'numberposts' => -1, 'post_status' => null));
			foreach ($products as $product) {
				$variations = array();
				for ($i=1; $i<=$temp_max_variations; $i++) {
					$_variationName = get_post_meta($product->ID, '_variation_name_'.$i, 1);
					$_variationType = get_post_meta($product->ID, '_variation_type_'.$i, 1);
					$_variationValue = get_post_meta($product->ID, '_variation_value_'.$i, 1);
					$_variationDisplayKey = get_post_meta($product->ID, '_variation_dkey_'.$i, 1);
					$_variationRequired = get_post_meta($product->ID, '_variation_required_'.$i, 1);
					if ($_variationName) {
						$variations[$i] = array(
							"name" => str_replace(array('"', '&', '.'), array('', 'and', ''), $_variationName),
							"type" => $_variationType,
							"value" => $_variationValue,
							"displayKey" => $_variationDisplayKey,
							"required" => $_variationRequired
						);
					}
				}
				if (count($variations) > 0) {
					if (update_post_meta($product->ID, '_variations', $variations)) {
						for ($i=1; $i<=$temp_max_variations; $i++) {
							delete_post_meta($product->ID,'_variation_name_'.$i);
							delete_post_meta($product->ID,'_variation_type_'.$i);
							delete_post_meta($product->ID,'_variation_value_'.$i);
							delete_post_meta($product->ID,'_variation_dkey_'.$i);
							delete_post_meta($product->ID,'_variation_required_'.$i);
						}
					}
				}
			}
			if (array_key_exists('max_variations', $foxyshop_settings)) unset($foxyshop_settings['max_variations']);
		}

		//Remove Double Serialization in 3.6
		if (version_compare($foxyshop_settings['foxyshop_version'], '3.6', "<")) {

			//Product Variations and Inventory Levels
			$products = get_posts(array('post_type' => 'foxyshop_product', 'numberposts' => -1, 'post_status' => null));
			foreach ($products as $product) {
				$variations = get_post_meta($product->ID,'_variations',1);
				$inventory_levels = get_post_meta($product->ID,'_inventory_levels',1);
				if (is_serialized($variations)) update_post_meta($product->ID, '_variations', unserialize($variations));
				if (is_serialized($inventory_levels)) update_post_meta($product->ID, '_inventory_levels', unserialize($inventory_levels));
			}

			//User Subscriptions
			$user_list = $wpdb->get_results("SELECT user_id, meta_value from $wpdb->usermeta WHERE meta_key = 'foxyshop_subscription' AND meta_value != ''");
			foreach ((array)$user_list as $user) {
				$meta_value = $user->meta_value;
				$meta_value = maybe_unserialize($meta_value);
				if (is_serialized($meta_value)) update_user_meta($user->user_id, 'foxyshop_subscription', unserialize($meta_value));
			}
		}

		//Upgrade Google Product Fields in 3.7
		if (version_compare($foxyshop_settings['foxyshop_version'], '3.7', "<")) {
			$products = get_posts(array('post_type' => 'foxyshop_product', 'numberposts' => -1, 'post_status' => null));
			foreach ($products as $product) {
				foreach($google_product_field_names as $field) {
					$google_product_field_value = get_post_meta($product->ID, $field, 1);
					if ($google_product_field_value) {
						add_post_meta($product->ID, "_" . $field, $google_product_field_value);
						delete_post_meta($product->ID, $field);
					}
				}
			}
		}

		//Upgrade New Custom Sorting in 4.5
		if (version_compare($foxyshop_settings['foxyshop_version'], '4.5', "<")) {
			add_action('init', 'foxyshop_upgrade_menu_order');
		}

		//Load in New Defaults and Version Number
		$foxyshop_settings = wp_parse_args($foxyshop_settings,$default_foxyshop_settings);
		$foxyshop_settings['foxyshop_version'] = FOXYSHOP_VERSION;
		if (!$foxyshop_settings['datafeed_url_key']) $foxyshop_settings['datafeed_url_key'] = substr(MD5(rand(1000, 99999)."{urlkey}" . date("H:i:s")),1,12);

		//Save Settings
		update_option("foxyshop_settings", $foxyshop_settings);
		return $foxyshop_settings;
	}
}

//Plugin Deactivation Function
function foxyshop_deactivation() {
	global $wp_post_types;
	if (isset($wp_post_types['foxyshop_product'])) unset($wp_post_types['foxyshop_product']);
	delete_option('foxyshop_rewrite_rules');
	flush_rewrite_rules();
}

//Flushes Rewrite Rules if Structure Has Changed
function foxyshop_check_rewrite_rules() {
	if (get_option('foxyshop_rewrite_rules') != FOXYSHOP_PRODUCTS_SLUG."|".FOXYSHOP_PRODUCT_CATEGORY_SLUG || isset($_GET["foxyshop_flush_rewrite_rules"])) {
		flush_rewrite_rules(false);
		update_option('foxyshop_rewrite_rules', FOXYSHOP_PRODUCTS_SLUG."|".FOXYSHOP_PRODUCT_CATEGORY_SLUG);
	}
}


//Inventory Update Helper
function foxyshop_inventory_count_update($code, $new_count, $product_id = 0, $force = true) {
	global $wpdb;

	$search_code = esc_sql($code);

	//Setup Search Query
	$sql = "SELECT $wpdb->postmeta.`post_id`, $wpdb->postmeta.`meta_value`,  $wpdb->postmeta.`meta_key` ";
	$sql .= "FROM  $wpdb->posts INNER JOIN $wpdb->postmeta ON $wpdb->posts.`ID` =  $wpdb->postmeta.`post_id` ";
	$sql .= "WHERE $wpdb->posts.`post_status` = 'publish' AND (";

	//Search Inventory Values
	$sql .= "($wpdb->postmeta.`meta_key` = '_inventory_levels' AND ";
	$sql .= "(";
	$sql .= "$wpdb->postmeta.`meta_value` LIKE '%\"" . $search_code . "\";%' OR ";
	$sql .= "$wpdb->postmeta.`meta_value` LIKE '%:" . $search_code . ";%'";
	$sql .= ")";
	$sql .= ") ";

	//Only Search These Extra Fields If $force = 1
	if ($force) {

		//Search Variation Values
		$sql .= "OR ($wpdb->postmeta.`meta_key` = '_variations' AND $wpdb->postmeta.`meta_value` LIKE '%c:" . $search_code . "%')";

		//Search Code Values
		$sql .= "OR ($wpdb->postmeta.`meta_key` = '_code' AND $wpdb->postmeta.`meta_value` = '" . $search_code . "')";
	}
	$sql .= ")";

	//Search
	$result = $wpdb->get_results($sql);

	foreach ($result as $row) {
		$product_id = $row->post_id;
		$meta_key = $row->meta_key;
		$meta_value = $row->meta_value;

		//No Inventory Already, Create Inventory Record
		if (($meta_key == "_code" || $meta_key == "_variations") && $force) {
			$inventory = get_post_meta($product_id, "_inventory_levels", 1);
			if (!is_array($inventory)) $inventory = array();
			$inventory[$code]['count'] = $new_count;
			$inventory[$code]['alert'] = "";
			$original_count = "";
			do_action("foxyshop_inventory_update", $code, $original_count, $new_count);
			update_post_meta($product_id, '_inventory_levels', $inventory);


		//Inventory Already Exists
		} elseif ($meta_key == "_inventory_levels") {
			$inventory = maybe_unserialize($meta_value);
			$original_count = isset($inventory[$code]['count']) ? $inventory[$code]['count'] : "";
			$inventory[$code]['count'] = $new_count;
			do_action("foxyshop_inventory_update", $code, $original_count, $new_count);
			update_post_meta($product_id, '_inventory_levels', $inventory);
		}
	}
}


//Get Category List from FoxyCart API
function foxyshop_get_category_list($output_type = "") {
	global $foxyshop_settings;
	if (version_compare($foxyshop_settings['version'], '0.7.2', "<") || !$foxyshop_settings['domain']) return "";
	$foxy_data = array("api_action" => "category_list");
	$foxy_response = foxyshop_get_foxycart_data($foxy_data);
	$xml = simplexml_load_string($foxy_response, NULL, LIBXML_NOCDATA);
	if ($xml->result == "ERROR") return "";
	$output = "";
	$save = "";
	foreach($xml->categories->category as $category) {
		$code = (string)$category->code;
		$description = (string)$category->description;
		$product_delivery_type = (string)$category->product_delivery_type;
		$save .= "$code|$description|$product_delivery_type\n";

		if ($output_type == "") {
			$output .= "$code|$description|$product_delivery_type\n";
		} elseif ($output_type == "select") {
			$output .= '<option value="' . $code . '">' . $description . '</option>' . "\n";
		}
	}

	//Save
	$foxyshop_settings['ship_categories'] = trim($save);
	update_option("foxyshop_settings", $foxyshop_settings);

	return trim($output);
}

//Get Downloadable List from FoxyCart API
function foxyshop_get_downloadable_list() {
	global $foxyshop_settings;
	if (version_compare($foxyshop_settings['version'], '0.7.2', "<") || !$foxyshop_settings['domain']) return "";
	$foxy_data = array("api_action" => "downloadable_list");
	$foxy_response = foxyshop_get_foxycart_data($foxy_data);
	$xml = simplexml_load_string($foxy_response, NULL, LIBXML_NOCDATA);
	if ($xml->result == "ERROR") return "";
	$output = array();
	foreach($xml->downloadables->downloadable as $downloadable) {
		$output[] = array(
			'category_code' => (string)$downloadable->category_code,
			'product_name' => (string)$downloadable->product_name,
			'product_code' => (string)$downloadable->product_code,
			'product_price' => (string)$downloadable->product_price
		);
	}
	update_option("foxyshop_downloadables", $output);
	return $output;
}

//Access the FoxyCart API
function foxyshop_get_foxycart_data($foxyData, $silent_fail = true) {
	global $foxyshop_settings;
	$foxyData = array_merge(array("api_token" => $foxyshop_settings['api_key']), $foxyData);
	$args = array(
		"timeout" => !defined('FOXYSHOP_CURL_TIMEOUT') ? 15 : FOXYSHOP_CURL_TIMEOUT,
		"method" => "POST",
		"sslverify" => defined('FOXYSHOP_CURL_SSL_VERIFYPEER') ? FOXYSHOP_CURL_SSL_VERIFYPEER : 1,
		"body" => $foxyData,
	);
	$response = wp_remote_post("https://" . $foxyshop_settings['domain'] . "/api", $args);

	//WP Error
	if (is_wp_error($response)) {
		if ($silent_fail) {
			return "<?xml version='1.0' encoding='UTF-8'?><foxydata><result>ERROR</result><messages><message>" . __('Connection Error', 'foxyshop') . ": " . nl2br($response->get_error_message()) . "</message></messages></foxydata>";
		} else {
			die("Connection Error: " . nl2br($response->get_error_message()));
		}
	}

	$response_body = $response['body'];
	if (!$response_body || $response['response']['code'] != 200) {
		if ($silent_fail) {
			return "<?xml version='1.0' encoding='UTF-8'?><foxydata><result>ERROR</result><messages><message>" . __('Connection Error', 'foxyshop') . ": " . $message . "</message></messages></foxydata>";
		} else {
			die("Connection Error: " . $message);
		}
	}
	return $response_body;
}



//Paging for Orders, Customers, Subscriptions
function foxyshop_api_paging_nav($type, $position, $xml, $querystring) {
	global $foxyshop_settings, $wp_version;

	//Pagination
	$p = (int)(version_compare($foxyshop_settings['version'], '0.7.1', "<") ? 50 : FOXYSHOP_API_ENTRIES_PER_PAGE);
	$start_offset = (int)(version_compare($foxyshop_settings['version'], '0.7.1', "<=") ? -1 : 0);
	$filtered_total = (int)$xml->statistics->filtered_total;
	$pagination_start = (int)$xml->statistics->pagination_start;
	$pagination_end = (int)$xml->statistics->pagination_end;
	$current_page = $pagination_start >= 1 ? ceil($pagination_start / $p) : 1;
	$total_pages = $filtered_total > 0 ? ceil($filtered_total / $p) : 0;

	echo ('<div class="tablenav ' . esc_attr($position) . '">');

	//All Transaction
	if ($type == "transactions") {
		echo ('<div class="alignleft actions">'."\n");
		echo ('<select name="action-' . esc_attr($position) . '">');
		echo ('<option selected="selected" value="-1">Bulk Actions</option>');
		echo ('<option value="archive">Hide</option>');
		echo ('<option value="unarchive">Unhide</option>');
		echo ('</select>'."\n");
		echo ('<input type="submit" value="Apply" class="button-secondary action" id="doaction" name="">'."\n");
		echo ('</div>'."\n");
	}

	echo ('<input type="hidden" name="paged-' . esc_attr($position) . '-original" value="' . esc_attr($current_page) . '" />'."\n");
	echo ('<div class="tablenav-pages"><span class="displaying-num">' . esc_attr($filtered_total) . ' item' . ($filtered_total == 1 ? '' : 's') . '</span>'."\n");

	if ($pagination_start > 1 || $filtered_total > $pagination_end) {
		//First
		echo ('<span class="pagination-links"><a href="edit.php' . esc_attr($querystring) . '&amp;pagination_start=' . esc_attr(1 + $start_offset) . '" title="Go to the first page" class="first-page' . ($current_page == 1 ? ' disabled' : '') . '">&laquo;</a>'."\n");

		//Previous
		echo ('<a href="edit.php' . esc_attr($querystring) . '&amp;pagination_start=' . esc_attr($pagination_start - $p + $start_offset) . '" title="Go to the previous page" class="prev-page' . ($current_page == 1 ? ' disabled' : '') . '">&lsaquo;</a>'."\n");

		//Enter Page
		echo ('<span class="paging-input"><input type="text" size="1" class="foxyshop_paged_number" value="' . esc_attr($current_page) . '" name="paged-' . esc_attr($position) . '" title="Current page" class="current-page"> of <span class="total-pages">' . esc_html($total_pages) . '</span></span>'."\n");

		//Next
		echo ('<a href="edit.php' . esc_attr($querystring) . '&amp;pagination_start=' . esc_attr($pagination_end + 1 + $start_offset) . '" title="Go to the next page" class="next-page' . ($filtered_total <= $pagination_end ? ' disabled' : '') . '">&rsaquo;</a>'."\n");

		//Last
		echo ('<a href="edit.php' . esc_attr($querystring) . '&amp;pagination_start=' . esc_attr((($total_pages - 1) * $p) + 1 + $start_offset) . '" title="Go to the last page" class="last-page' . ($filtered_total <= $pagination_end ? ' disabled' : '') . '">&raquo;</a></span>'."\n");
	}

	echo ('</div>'."\n");

	echo ('</div>'."\n");
}


//Save Meta Data
function foxyshop_save_meta_data($fieldname,$input) {
	global $post_id;
	$current_data = get_post_meta($post_id, $fieldname, TRUE);
	$new_data = $input;
	if (!$new_data) $new_data = NULL;
	if ($current_data != "" && is_null($new_data)) delete_post_meta($post_id,$fieldname);
	if (!is_null($new_data)) update_post_meta($post_id,$fieldname,$new_data);
}


//Set FoxyCart Attributes
function foxyshop_save_attribute($att_type, $id, $att_name, $att_value, $append = 0) {
	$foxy_data = array(
		"api_action" => "attribute_save",
		"name" => $att_name,
		"value" => $att_value,
		"type" => $att_type,
		"identifier" => $id,
		"append" => $append
	);
	$foxy_response = foxyshop_get_foxycart_data($foxy_data);
	$xml = simplexml_load_string($foxy_response, NULL, LIBXML_NOCDATA);
	return (string)$xml->result . ": " . (string)$xml->messages->message;
}


//Delete FoxyCart Attributes
function foxyshop_delete_attribute($att_type, $id, $att_name) {
	$foxy_data = array(
		"api_action" => "attribute_delete",
		"name" => $att_name,
		"type" => $att_type,
		"identifier" => $id
	);
	$foxy_response = foxyshop_get_foxycart_data($foxy_data);
	$xml = simplexml_load_string($foxy_response, NULL, LIBXML_NOCDATA);
	return (string)$xml->result . ": " . (string)$xml->messages->message;
}



//Attributes for Orders, Customers, Subscriptions
function foxyshop_manage_attributes($xml, $id, $att_type) {
	global $foxyshop_settings;
	if (version_compare($foxyshop_settings['version'], '0.7.2', "<")) return "";

	$holder = '<div style="clear: both; height: 20px;"></div>';
	$holder .= '<table class="foxyshop_attribute_list" rel="' . $id . '"><tbody>'."\n";

	foreach($xml->attribute as $attribute) {
		$attribute_name = (string)$attribute->name;
		$attribute_value = (string)$attribute->value;

		$holder .= '<tr class="viewing">';
		$holder .= '<td class="col1">' . $attribute_name . '</td>';
		$holder .= '<td class="col2"><div>' . str_replace("\n", "<br />\n", $attribute_value) . '</div><a href="#" class="foxyshop_attribute_delete" attname="' . $attribute_name . '" rel="' . $id . '" title="Delete">' . __('Delete', 'foxyshop') . '</a><a href="#" class="foxyshop_attribute_edit" rel="' . $id . '" title="Edit">' . __('Edit', 'foxyshop') . '</a></td>'."\n";
		$holder .= '</tr>';
	}
	$holder .= "</tbody></table>\n";
	$holder .= '<input type="button" value="' . __('Add Attribute', 'foxyshop') . '" class="button foxyshop_add_attribute" rel="' . $id . '" />'."\n";
	return $holder;
}

//Attributes for jQuery
function foxyshop_manage_attributes_jquery($att_type) {
	global $foxyshop_settings;
	if (version_compare($foxyshop_settings['version'], '0.7.2', "<")) return "";
	?>

	//Show New Form
	$(".foxyshop_add_attribute").click(function(e) {
		var id = $(this).attr("rel");
		var new_html = '<tr id="new_attribute_container_' + id + '"><td><input type="text" class="new_attribute_name" name="new_attribute_name" placeholder="Name" rel="' + id + '" /></td><td><textarea placeholder="Value" class="new_attribute_value" name="new_attribute_value" rel="' + id + '"></textarea> <input type="button" value="Add Attribute" class="button-primary foxyshop_add_new_attribute" rel="' + id + '" /> <br /> <input type="button" value="Cancel" class="button foxyshop_cancel_new_attribute" rel="' + id + '" /> </td></tr>';
		$(".foxyshop_attribute_list[rel='" + id + "']").append(new_html);
		$(this).hide();
		e.preventDefault();
		return false;
	});

	//Cancel New Form
	$(".foxyshop_attribute_list").on("click", ".foxyshop_cancel_new_attribute", function(e) {
		var id = $(this).attr("rel");
		$("#new_attribute_container_" + id).remove();
		$(".foxyshop_add_attribute[rel='" + id + "']").show();
		e.preventDefault();
		return false;
	});

	//Cancel Edit Form
	$(".foxyshop_attribute_list").on("click", ".foxyshop_cancel_save_attribute", function(e) {
		var id = $(this).attr("rel");
		var original_text = $(this).attr("original_text").replace("\n", "<br />\n");
		var parent_tr = $(this).parents(".foxyshop_attribute_list tr");
		parent_tr.addClass("viewing");
		parent_tr.find(".col2 div").html(original_text);
		e.preventDefault();
		return false;
	});

	//Add New
	$(".foxyshop_attribute_list").on("click", ".foxyshop_add_new_attribute", function(e) {
		var id = $(this).attr("rel");
		var att_name = $(".new_attribute_name[rel='" + id + "']").val();
		var att_value = $(".new_attribute_value[rel='" + id + "']").val();
		var manage_buttons = '<a href="#" class="foxyshop_attribute_delete" attname="' + att_name + '" title="Delete" rel="' + id + '">Delete</a><a href="#" class="foxyshop_attribute_edit" rel="' + id + '" title="Edit">Edit</a>';

		if (att_name && att_value) {
			$.post(ajaxurl, {action: "foxyshop_attribute_manage", foxyshop_action: "save_attribute", security: "<?php echo wp_create_nonce("foxyshop-save-attribute"); ?>", att_type: "<?php echo esc_attr($att_type); ?>", id: id, att_name: att_name, att_value: att_value }, function(response) {
				$(".foxyshop_add_attribute[rel='" + id + "']").show();
				$("#new_attribute_container_" + id).remove();
				$(".foxyshop_attribute_list[rel='" + id + "']").append('<tr class="viewing"><td class="col1">' + att_name + '</td><td class="col2"><div>' + att_value.replace("\n", "<br />\n") + '</div> ' + manage_buttons + '</td></tr>');
			});
		} else {
			alert('Please enter a name and value before submitting.');
		}
		e.preventDefault();
		return false;
	});

	//Save Attribute
	$(".foxyshop_attribute_list").on("click", ".foxyshop_save_attribute", function(e) {
		var id = $(this).attr("rel");
		var parent_tr = $(this).parents(".foxyshop_attribute_list tr");
		var att_name = parent_tr.children(".col1").text();
		var att_value = parent_tr.find(".col2 div").children("textarea").val();

		if (att_value) {
			$.post(ajaxurl, {action: "foxyshop_attribute_manage", foxyshop_action: "save_attribute", security: "<?php echo wp_create_nonce("foxyshop-save-attribute"); ?>", att_type: "<?php echo esc_attr($att_type); ?>", id: id, att_name: att_name, att_value: att_value }, function(response) {
				parent_tr.addClass("viewing");
				parent_tr.find(".col2 div").html(att_value.replace(/\n/g, "<br />\n"));
			});
		} else {
			alert('Please enter a value before submitting.');
		}
		e.preventDefault();
		return false;
	});

	//Start Editing
	$(".foxyshop_attribute_list").on("click", ".foxyshop_attribute_edit", function(e) {
		var id = $(this).attr("rel");
		var parent_tr = $(this).parents(".foxyshop_attribute_list tr");
		var att_value = parent_tr.find(".col2 div").text();

		parent_tr.removeClass("viewing");
		parent_tr.find(".col2 div").html('<textarea placeholder="Value" class="edit_attribute_value" name="new_attribute_value" rel="' + id + '">' + att_value + '</textarea> <input type="button" value="Save Changes" class="button-primary foxyshop_save_attribute" rel="' + id + '" /> <br /> <input type="button" value="Cancel" class="button foxyshop_cancel_save_attribute" rel="' + id + '" original_text="' + att_value + '" />');

		e.preventDefault();
		return false;
	});

	//Delete
	$(".foxyshop_attribute_list").on("click", ".foxyshop_attribute_delete", function(e) {
		var id = $(this).attr("rel");
		var att_name = $(this).attr("attname");
		var parent_tr = $(this).parents(".foxyshop_attribute_list tr");

		$.post(ajaxurl, {action: "foxyshop_attribute_manage", foxyshop_action: "delete_attribute", security: "<?php echo wp_create_nonce("foxyshop-save-attribute"); ?>", att_type: "<?php echo esc_attr($att_type); ?>", id: id, att_name: att_name }, function(response) {
			parent_tr.remove();
		});

		e.preventDefault();
		return false;
	});

<?php

}