/system/libraries/Cart.php

.htaccess
LICENSE
PHPMailer
    .gitignore
    .scrutinizer.yml
    .travis.yml
    LICENSE
    PHPMailerAutoload.php
    README.md
    VERSION
    changelog.md
    class.phpmailer.php
    class.pop3.php
    class.smtp.php
    composer.json
    docs
        Callback_function_notes.txt
        DomainKeys_notes.txt
        Note_for_SMTP_debugging.txt
        extending.html
        faq.html
        generatedocs.sh
        pop3_article.txt
    examples
        code_generator.phps
        contents.html
        contentsutf8.html
        exceptions.phps
        gmail.phps
        images
            phpmailer.png
            phpmailer_mini.png
        index.html
        mail.phps
        mailing_list.phps
        pop_before_smtp.phps
        scripts
            XRegExp.js
            shAutoloader.js
            shBrushPhp.js
            shCore.js
            shLegacy.js
        send_file_upload.phps
        sendmail.phps
        smtp.phps
        smtp_check.phps
        smtp_no_auth.phps
        ssl_options.phps
        styles
            shCore.css
            shCoreDefault.css
            shCoreDjango.css
            shCoreEclipse.css
            shCoreEmacs.css
            shCoreFadeToGrey.css
            shCoreMDUltra.css
            shCoreMidnight.css
            shCoreRDark.css
            shThemeAppleScript.css
            shThemeDefault.css
            shThemeDjango.css
            shThemeEclipse.css
            shThemeEmacs.css
            shThemeFadeToGrey.css
            shThemeMDUltra.css
            shThemeMidnight.css
            shThemeRDark.css
            shThemeVisualStudio.css
            wrapping.png
    extras
        EasyPeasyICS.php
        README.md
        htmlfilter.php
        ntlm_sasl_client.php
    language
        phpmailer.lang-am.php
        phpmailer.lang-ar.php
        phpmailer.lang-az.php
        phpmailer.lang-be.php
        phpmailer.lang-bg.php
        phpmailer.lang-br.php
        phpmailer.lang-ca.php
        phpmailer.lang-ch.php
        phpmailer.lang-cz.php
        phpmailer.lang-de.php
        phpmailer.lang-dk.php
        phpmailer.lang-el.php
        phpmailer.lang-eo.php
        phpmailer.lang-es.php
        phpmailer.lang-et.php
        phpmailer.lang-fa.php
        phpmailer.lang-fi.php
        phpmailer.lang-fo.php
        phpmailer.lang-fr.php
        phpmailer.lang-gl.php
        phpmailer.lang-he.php
        phpmailer.lang-hr.php
        phpmailer.lang-hu.php
        phpmailer.lang-id.php
        phpmailer.lang-it.php
        phpmailer.lang-ja.php
        phpmailer.lang-ka.php
        phpmailer.lang-ko.php
        phpmailer.lang-lt.php
        phpmailer.lang-lv.php
        phpmailer.lang-ms.php
        phpmailer.lang-nl.php
        phpmailer.lang-no.php
        phpmailer.lang-pl.php
        phpmailer.lang-pt.php
        phpmailer.lang-ro.php
        phpmailer.lang-ru.php
        phpmailer.lang-se.php
        phpmailer.lang-sk.php
        phpmailer.lang-sl.php
        phpmailer.lang-sr.php
        phpmailer.lang-tr.php
        phpmailer.lang-uk.php
        phpmailer.lang-vi.php
        phpmailer.lang-zh.php
        phpmailer.lang-zh_cn.php
    test
        bootstrap.php
        fakepopserver.sh
        fakesendmail.sh
        phpmailerLangTest.php
        phpmailerTest.php
        runfakepopserver.sh
        test_callback.php
        testbootstrap-dist.php
    travis.phpunit.xml.dist
application
    .htaccess
    cache
        .htaccess
        index.html
    config
        autoload.php
        config.php
        constants.php
        database.php
        doctypes.php
        foreign_chars.php
        hooks.php
        index.html
        memcached.php
        migration.php
        mimes.php
        profiler.php
        routes.php
        smileys.php
        user_agents.php
    controllers
        Cronid.php
        Systemid.php
        Welcome.php
        index.html
    core
        index.html
    errors
        error_404.php
        error_db.php
        error_general.php
        error_php.php
        index.html
    helpers
        index.html
    hooks
        index.html
    index.html
    language
        english
            index.html
            system_lang.php
        index.html
        polish
            .gitattributes
            README.md
            calendar_lang.php
            date_lang.php
            db_lang.php
            email_lang.php
            form_validation_lang.php
            ftp_lang.php
            imglib_lang.php
            index.html
            migration_lang.php
            number_lang.php
            pagination_lang.php
            profiler_lang.php
            system_lang.php
            unit_test_lang.php
            upload_lang.php
    libraries
        index.html
    logs
        index.html
    models
        System_model.php
        index.html
    third_party
        index.html
    views
        components.php
        errors
            cli
                error_404.php
                error_db.php
                error_exception.php
                error_general.php
                error_php.php
                index.html
            html
                error_404.php
                error_db.php
                error_exception.php
                error_general.php
                error_php.php
                index.html
            index.html
        foot.php
        head.php
        index.html
        login.php
        user
            changepassword.php
            editemail.php
            getpassword.php
            postpassword.php
            settings.php
        welcome_message.php
        wykop
            access.php
            accesscheck.php
            accessedit.php
            addcomment.php
            addcomment2.php
            addentry.php
            cronsetup.php
            microblog.php
            microblogplus.php
            searchlink.php
            searchlink2.php
            searchmicroblog.php
            searchmicroblog2.php
            show.php
            tagsfrommicroblog.php
            tagsfrommicroblog2.php
            wykop.php
            wykopplusminus.php
            wykopplusminuscomm.php
arial.ttf
captcha
    sys.txt
css
    bootstrap-theme.css
    bootstrap-theme.css.map
    bootstrap-theme.min.css
    bootstrap-theme.min.css.map
    bootstrap.css
    bootstrap.css.map
    bootstrap.min.css
    bootstrap.min.css.map
favicon.ico
fonts
    glyphicons-halflings-regular.eot
    glyphicons-halflings-regular.svg
    glyphicons-halflings-regular.ttf
    glyphicons-halflings-regular.woff
    glyphicons-halflings-regular.woff2
hrefsystem.png
images
    access.png
    comment.png
    cron.png
    entry.png
    hot.png
    microblog.png
    plus.png
    plusminus.png
    search.png
    tag.png
    top.png
    upcoming.png
index.php
install.php
jquery-latest.min.js
js
    bootstrap.js
    bootstrap.min.js
    npm.js
library
    ajax-loader.gif
    bootstrap.min.js
    crop
        Canvas.php
        Coordinate.php
        Exception.php
        Font
            GDF.php
            PS.php
            TTF.php
        Image.php
        Mapper
            BMP.php
            GD.php
            GD2.php
            GIF.php
            JPEG.php
            PNG.php
            TGA.php
        MapperFactory.php
        Operation
            AddNoise.php
            ApplyConvolution.php
            ApplyFilter.php
            ApplyMask.php
            AsGrayscale.php
            AsNegative.php
            AutoCrop.php
            CopyChannelsPalette.php
            CopyChannelsTrueColor.php
            CorrectGamma.php
            Crop.php
            Flip.php
            GetMask.php
            Merge.php
            Mirror.php
            Resize.php
            ResizeCanvas.php
            Rotate.php
            RoundCorners.php
            Unsharp.php
        OperationFactory.php
        PaletteImage.php
        README
        TrueColorImage.php
        VERSION
        WideImage.php
        gpl.txt
        lgpl.txt
        vendor
            de77
                BMP.php
                TGA.php
    datetime
        css
            bootstrap-datetimepicker.min.css
        js
            bootstrap-datetimepicker.min.js
    index.html
    jquery-autocomplete
        changelog.txt
        demo
            bg.gif
            emails.php
            emails.phps
            images
                Amsterdam Van-Gogh Museum.jpg
                Amsterdam.jpg
                Antwerpen Rubenshaus.jpg
                Antwerpen.jpg
                Appenzell.jpg
                Arnhem Historisches Museum.jpg
                Bled.jpg
                Bled_Die Burg von Bled.jpg
                Bogojina_Die Pfarrkirche.jpg
                BolognaBasilicadiSanPetronio.jpg
                BolognaFontanadelNettuno.jpg
                BolognaPiazzaMaggiore.jpg
                Bolsward Martinikerk.jpg
                Bolsward Stadhuis.jpg
                Bolsward.jpg
                BordeauxND.jpg
                BordeauxPlaceB.jpg
                BotanischerGartenZuerich.jpg
                Bouillon.jpg
                Gent Hotel de Ville2.jpg
                Gent.jpg
                GenuaStrand.jpg
                GenuabeiNacht.jpg
                Giessbachfaelle Brienz.jpg
                Giethoorn.jpg
                Gnesen.jpg
                Gornij Grad_KATHEDRALE.jpg
                Gossensass.jpg
                Grad_Burg Grad2.jpg
                GrandDixence.jpg
                GrenoblePanorama.jpg
                Groningen.jpg
                GrottenvonReclere.jpg
                Guebwiller.jpg
                Kamnik_Die Franziskaner Bibliothek.jpg
                Karlsbad Muehlbrunnkolonnade.jpg
                Kazimierz.jpg
                KirchbergAltesRathaus1.jpg
                KlagenfurtDom.jpg
                KleineMeerjungfreu.jpg
                LazienkiparkWarschau.jpg
                LeHavreHafen.jpg
                LeMans.jpg
                Lednice.jpg
                Leeuwarden Fries Museum.jpg
                Leeuwarden.jpg
                Lelystad.jpg
                Lemmer.jpg
                Leper Halles aux draps.jpg
                Leuven Museum fuer Kirchenkunst.jpg
                Leuven.jpg
                Luxemburg.jpg
                LuzernAltstadt.jpg
                LuzernPicassoMuseum.jpg
                Lyon.jpg
                Maastricht Onze Lieve Vrou...jpg
                Maastricht St Servaasbasiliek.jpg
                Maastricht Walmuur.jpg
                Maastricht.jpg
                MagiatalMaggia.jpg
                Mailand3.jpg
                Metlika_Bela Krajina Museum.jpg
                MilanoCastelloSforzesco.jpg
                MilanoDom.jpg
                MilazzoBurg.jpg
                Novo Mesto_Das Museum.jpg
                ObervellachBurgFalkenstein.jpg
                OdenseeAndersen.jpg
                Olimje_Kirche und Apotheke in Olimje.jpg
                Olomouc.jpg
                OlympischesMuseumLausanne.jpg
                OrleansMaisonJeannedArc.jpg
                OrleansParcFloraldelaSource.jpg
                OstiaAntica.jpg
                Ostrow Tumski.jpg
                PoertschachSchlossLeonstain.jpg
                Portoroz.jpg
                Posen.jpg
                Postojna.jpg
                Prag Altstaedter Ring.jpg
                Prag Waldsteinpalais.jpg
                RouenNotreDame.jpg
                Salzbergwerk Bex.jpg
                SalzbergwerkWieliczka.jpg
                SalzburgFestungHohensalzburg.jpg
                SalzburgResidenz.jpg
                WienMuseumsQuartier.jpg
                WienMusikverein.jpg
                WienRiesenrad.jpg
                WienRingstrasse.jpg
            images.php
            index.html
            indicator.gif
            json.html
            localdata.js
            main.css
            search.php
            search.phps
        jquery.autocomplete.css
        jquery.autocomplete.js
        jquery.autocomplete.min.js
        jquery.autocomplete.pack.js
        lib
            jquery.ajaxQueue.js
            jquery.bgiframe.min.js
            jquery.js
            thickbox-compressed.js
            thickbox.css
        todo
    jquery-ui-sliderAccess.js
    jquery-ui-timepicker-addon.css
    jquery-ui-timepicker-addon.js
    jquery-ui.css
    jquery-ui.min.js
    jquery.min.js
    jquery.selection.js
    jscolor
        arrow.gif
        cross.gif
        demo.html
        hs.png
        hv.png
        jscolor.js
    lightbox2
        .editorconfig
        .gitignore
        .jscsrc
        .jshintrc
        CONTRIBUTING.md
        DEPLOY.md
        Gruntfile.js
        LICENSE
        README.md
        ROADMAP.md
        bower.json
        dist
            css
                lightbox.css
                lightbox.min.css
            images
                close.png
                loading.gif
                next.png
                prev.png
            js
                lightbox-plus-jquery.js
                lightbox-plus-jquery.min.js
                lightbox-plus-jquery.min.map
                lightbox.js
                lightbox.min.js
                lightbox.min.map
        examples
            index.html
        package.json
        src
            css
                lightbox.css
            images
                close.png
                loading.gif
                next.png
                prev.png
            js
                lightbox.js
    slimbox
        README.txt
        css
            closelabel.gif
            loading.gif
            nextlabel.gif
            prevlabel.gif
            slimbox2-rtl.css
            slimbox2.css
        example.html
        example.jpg
        extra
            autoactivation.js
            fix-urls.js
            flickr.js
            picasaweb.js
        js
            slimbox2.js
        src
            autoload.js
            slimbox2.js
    style.css
    wykopapi.php
script.js
special.txt
stylesmenu.css
system
    .htaccess
    core
        Benchmark.php
        CodeIgniter.php
        Common.php
        Config.php
        Controller.php
        Exceptions.php
        Hooks.php
        Input.php
        Lang.php
        Loader.php
        Log.php
        Model.php
        Output.php
        Router.php
        Security.php
        URI.php
        Utf8.php
        compat
            hash.php
            index.html
            mbstring.php
            password.php
            standard.php
        index.html
    database
        DB.php
        DB_active_rec.php
        DB_cache.php
        DB_driver.php
        DB_forge.php
        DB_query_builder.php
        DB_result.php
        DB_utility.php
        drivers
            cubrid
                cubrid_driver.php
                cubrid_forge.php
                cubrid_result.php
                cubrid_utility.php
                index.html
            ibase
                ibase_driver.php
                ibase_forge.php
                ibase_result.php
                ibase_utility.php
                index.html
            index.html
            mssql
                index.html
                mssql_driver.php
                mssql_forge.php
                mssql_result.php
                mssql_utility.php
            mysql
                index.html
                mysql_driver.php
                mysql_forge.php
                mysql_result.php
                mysql_utility.php
            mysqli
                index.html
                mysqli_driver.php
                mysqli_forge.php
                mysqli_result.php
                mysqli_utility.php
            oci8
                index.html
                oci8_driver.php
                oci8_forge.php
                oci8_result.php
                oci8_utility.php
            odbc
                index.html
                odbc_driver.php
                odbc_forge.php
                odbc_result.php
                odbc_utility.php
            pdo
                index.html
                pdo_driver.php
                pdo_forge.php
                pdo_result.php
                pdo_utility.php
                subdrivers
                    index.html
                    pdo_4d_driver.php
                    pdo_4d_forge.php
                    pdo_cubrid_driver.php
                    pdo_cubrid_forge.php
                    pdo_dblib_driver.php
                    pdo_dblib_forge.php
                    pdo_firebird_driver.php
                    pdo_firebird_forge.php
                    pdo_ibm_driver.php
                    pdo_ibm_forge.php
                    pdo_informix_driver.php
                    pdo_informix_forge.php
                    pdo_mysql_driver.php
                    pdo_mysql_forge.php
                    pdo_oci_driver.php
                    pdo_oci_forge.php
                    pdo_odbc_driver.php
                    pdo_odbc_forge.php
                    pdo_pgsql_driver.php
                    pdo_pgsql_forge.php
                    pdo_sqlite_driver.php
                    pdo_sqlite_forge.php
                    pdo_sqlsrv_driver.php
                    pdo_sqlsrv_forge.php
            postgre
                index.html
                postgre_driver.php
                postgre_forge.php
                postgre_result.php
                postgre_utility.php
            sqlite
                index.html
                sqlite_driver.php
                sqlite_forge.php
                sqlite_result.php
                sqlite_utility.php
            sqlite3
                index.html
                sqlite3_driver.php
                sqlite3_forge.php
                sqlite3_result.php
                sqlite3_utility.php
            sqlsrv
                index.html
                sqlsrv_driver.php
                sqlsrv_forge.php
                sqlsrv_result.php
                sqlsrv_utility.php
        index.html
    fonts
        index.html
        texb.ttf
    helpers
        array_helper.php
        captcha_helper.php
        cookie_helper.php
        date_helper.php
        directory_helper.php
        download_helper.php
        email_helper.php
        file_helper.php
        form_helper.php
        html_helper.php
        index.html
        inflector_helper.php
        language_helper.php
        number_helper.php
        path_helper.php
        security_helper.php
        smiley_helper.php
        string_helper.php
        text_helper.php
        typography_helper.php
        url_helper.php
        xml_helper.php
    index.html
    language
        english
            calendar_lang.php
            date_lang.php
            db_lang.php
            email_lang.php
            form_validation_lang.php
            ftp_lang.php
            imglib_lang.php
            index.html
            migration_lang.php
            number_lang.php
            pagination_lang.php
            profiler_lang.php
            unit_test_lang.php
            upload_lang.php
        index.html
    libraries
        Cache
            Cache.php
            drivers
                Cache_apc.php
                Cache_dummy.php
                Cache_file.php
                Cache_memcached.php
                Cache_redis.php
                Cache_wincache.php
                index.html
            index.html
        Calendar.php
        Cart.php
        Driver.php
        Email.php
        Encrypt.php
        Encryption.php
        Form_validation.php
        Ftp.php
        Image_lib.php
        Javascript
            Jquery.php
            index.html
        Javascript.php
        Log.php
        Migration.php
        Pagination.php
        Parser.php
        Profiler.php
        Session
            Session.php
            SessionHandlerInterface.php
            Session_driver.php
            drivers
                Session_database_driver.php
                Session_files_driver.php
                Session_memcached_driver.php
                Session_redis_driver.php
                index.html
            index.html
        Session.php
        Sha1.php
        Table.php
        Trackback.php
        Typography.php
        Unit_test.php
        Upload.php
        User_agent.php
        Xmlrpc.php
        Xmlrpcs.php
        Zip.php
        index.html
tmp
    sys.txt
uploads
    sys.txt
wykopapi.png
<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014 - 2016, British Columbia Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package	CodeIgniter
 * @author	EllisLab Dev Team
 * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright	Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/)
 * @license	http://opensource.org/licenses/MIT	MIT License
 * @link	https://codeigniter.com
 * @since	Version 1.0.0
 * @filesource
 */
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * Shopping Cart Class
 *
 * @package		CodeIgniter
 * @subpackage	Libraries
 * @category	Shopping Cart
 * @author		EllisLab Dev Team
 * @link		https://codeigniter.com/user_guide/libraries/cart.html
 * @deprecated	3.0.0	This class is too specific for CI.
 */
class CI_Cart {

	/**
	 * These are the regular expression rules that we use to validate the product ID and product name
	 * alpha-numeric, dashes, underscores, or periods
	 *
	 * @var string
	 */
	public $product_id_rules = '\.a-z0-9_-';

	/**
	 * These are the regular expression rules that we use to validate the product ID and product name
	 * alpha-numeric, dashes, underscores, colons or periods
	 *
	 * @var string
	 */
	public $product_name_rules = '\w \-\.\:';

	/**
	 * only allow safe product names
	 *
	 * @var bool
	 */
	public $product_name_safe = TRUE;

	// --------------------------------------------------------------------------

	/**
	 * Reference to CodeIgniter instance
	 *
	 * @var object
	 */
	protected $CI;

	/**
	 * Contents of the cart
	 *
	 * @var array
	 */
	protected $_cart_contents = array();

	/**
	 * Shopping Class Constructor
	 *
	 * The constructor loads the Session class, used to store the shopping cart contents.
	 *
	 * @param	array
	 * @return	void
	 */
	public function __construct($params = array())
	{
		// Set the super object to a local variable for use later
		$this->CI =& get_instance();

		// Are any config settings being passed manually?  If so, set them
		$config = is_array($params) ? $params : array();

		// Load the Sessions class
		$this->CI->load->driver('session', $config);

		// Grab the shopping cart array from the session table
		$this->_cart_contents = $this->CI->session->userdata('cart_contents');
		if ($this->_cart_contents === NULL)
		{
			// No cart exists so we'll set some base values
			$this->_cart_contents = array('cart_total' => 0, 'total_items' => 0);
		}

		log_message('info', 'Cart Class Initialized');
	}

	// --------------------------------------------------------------------

	/**
	 * Insert items into the cart and save it to the session table
	 *
	 * @param	array
	 * @return	bool
	 */
	public function insert($items = array())
	{
		// Was any cart data passed? No? Bah...
		if ( ! is_array($items) OR count($items) === 0)
		{
			log_message('error', 'The insert method must be passed an array containing data.');
			return FALSE;
		}

		// You can either insert a single product using a one-dimensional array,
		// or multiple products using a multi-dimensional one. The way we
		// determine the array type is by looking for a required array key named "id"
		// at the top level. If it's not found, we will assume it's a multi-dimensional array.

		$save_cart = FALSE;
		if (isset($items['id']))
		{
			if (($rowid = $this->_insert($items)))
			{
				$save_cart = TRUE;
			}
		}
		else
		{
			foreach ($items as $val)
			{
				if (is_array($val) && isset($val['id']))
				{
					if ($this->_insert($val))
					{
						$save_cart = TRUE;
					}
				}
			}
		}

		// Save the cart data if the insert was successful
		if ($save_cart === TRUE)
		{
			$this->_save_cart();
			return isset($rowid) ? $rowid : TRUE;
		}

		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Insert
	 *
	 * @param	array
	 * @return	bool
	 */
	protected function _insert($items = array())
	{
		// Was any cart data passed? No? Bah...
		if ( ! is_array($items) OR count($items) === 0)
		{
			log_message('error', 'The insert method must be passed an array containing data.');
			return FALSE;
		}

		// --------------------------------------------------------------------

		// Does the $items array contain an id, quantity, price, and name?  These are required
		if ( ! isset($items['id'], $items['qty'], $items['price'], $items['name']))
		{
			log_message('error', 'The cart array must contain a product ID, quantity, price, and name.');
			return FALSE;
		}

		// --------------------------------------------------------------------

		// Prep the quantity. It can only be a number.  Duh... also trim any leading zeros
		$items['qty'] = (float) $items['qty'];

		// If the quantity is zero or blank there's nothing for us to do
		if ($items['qty'] == 0)
		{
			return FALSE;
		}

		// --------------------------------------------------------------------

		// Validate the product ID. It can only be alpha-numeric, dashes, underscores or periods
		// Not totally sure we should impose this rule, but it seems prudent to standardize IDs.
		// Note: These can be user-specified by setting the $this->product_id_rules variable.
		if ( ! preg_match('/^['.$this->product_id_rules.']+$/i', $items['id']))
		{
			log_message('error', 'Invalid product ID.  The product ID can only contain alpha-numeric characters, dashes, and underscores');
			return FALSE;
		}

		// --------------------------------------------------------------------

		// Validate the product name. It can only be alpha-numeric, dashes, underscores, colons or periods.
		// Note: These can be user-specified by setting the $this->product_name_rules variable.
		if ($this->product_name_safe && ! preg_match('/^['.$this->product_name_rules.']+$/i'.(UTF8_ENABLED ? 'u' : ''), $items['name']))
		{
			log_message('error', 'An invalid name was submitted as the product name: '.$items['name'].' The name can only contain alpha-numeric characters, dashes, underscores, colons, and spaces');
			return FALSE;
		}

		// --------------------------------------------------------------------

		// Prep the price. Remove leading zeros and anything that isn't a number or decimal point.
		$items['price'] = (float) $items['price'];

		// We now need to create a unique identifier for the item being inserted into the cart.
		// Every time something is added to the cart it is stored in the master cart array.
		// Each row in the cart array, however, must have a unique index that identifies not only
		// a particular product, but makes it possible to store identical products with different options.
		// For example, what if someone buys two identical t-shirts (same product ID), but in
		// different sizes?  The product ID (and other attributes, like the name) will be identical for
		// both sizes because it's the same shirt. The only difference will be the size.
		// Internally, we need to treat identical submissions, but with different options, as a unique product.
		// Our solution is to convert the options array to a string and MD5 it along with the product ID.
		// This becomes the unique "row ID"
		if (isset($items['options']) && count($items['options']) > 0)
		{
			$rowid = md5($items['id'].serialize($items['options']));
		}
		else
		{
			// No options were submitted so we simply MD5 the product ID.
			// Technically, we don't need to MD5 the ID in this case, but it makes
			// sense to standardize the format of array indexes for both conditions
			$rowid = md5($items['id']);
		}

		// --------------------------------------------------------------------

		// Now that we have our unique "row ID", we'll add our cart items to the master array
		// grab quantity if it's already there and add it on
		$old_quantity = isset($this->_cart_contents[$rowid]['qty']) ? (int) $this->_cart_contents[$rowid]['qty'] : 0;

		// Re-create the entry, just to make sure our index contains only the data from this submission
		$items['rowid'] = $rowid;
		$items['qty'] += $old_quantity;
		$this->_cart_contents[$rowid] = $items;

		return $rowid;
	}

	// --------------------------------------------------------------------

	/**
	 * Update the cart
	 *
	 * This function permits the quantity of a given item to be changed.
	 * Typically it is called from the "view cart" page if a user makes
	 * changes to the quantity before checkout. That array must contain the
	 * product ID and quantity for each item.
	 *
	 * @param	array
	 * @return	bool
	 */
	public function update($items = array())
	{
		// Was any cart data passed?
		if ( ! is_array($items) OR count($items) === 0)
		{
			return FALSE;
		}

		// You can either update a single product using a one-dimensional array,
		// or multiple products using a multi-dimensional one.  The way we
		// determine the array type is by looking for a required array key named "rowid".
		// If it's not found we assume it's a multi-dimensional array
		$save_cart = FALSE;
		if (isset($items['rowid']))
		{
			if ($this->_update($items) === TRUE)
			{
				$save_cart = TRUE;
			}
		}
		else
		{
			foreach ($items as $val)
			{
				if (is_array($val) && isset($val['rowid']))
				{
					if ($this->_update($val) === TRUE)
					{
						$save_cart = TRUE;
					}
				}
			}
		}

		// Save the cart data if the insert was successful
		if ($save_cart === TRUE)
		{
			$this->_save_cart();
			return TRUE;
		}

		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Update the cart
	 *
	 * This function permits changing item properties.
	 * Typically it is called from the "view cart" page if a user makes
	 * changes to the quantity before checkout. That array must contain the
	 * rowid and quantity for each item.
	 *
	 * @param	array
	 * @return	bool
	 */
	protected function _update($items = array())
	{
		// Without these array indexes there is nothing we can do
		if ( ! isset($items['rowid'], $this->_cart_contents[$items['rowid']]))
		{
			return FALSE;
		}

		// Prep the quantity
		if (isset($items['qty']))
		{
			$items['qty'] = (float) $items['qty'];
			// Is the quantity zero?  If so we will remove the item from the cart.
			// If the quantity is greater than zero we are updating
			if ($items['qty'] == 0)
			{
				unset($this->_cart_contents[$items['rowid']]);
				return TRUE;
			}
		}

		// find updatable keys
		$keys = array_intersect(array_keys($this->_cart_contents[$items['rowid']]), array_keys($items));
		// if a price was passed, make sure it contains valid data
		if (isset($items['price']))
		{
			$items['price'] = (float) $items['price'];
		}

		// product id & name shouldn't be changed
		foreach (array_diff($keys, array('id', 'name')) as $key)
		{
			$this->_cart_contents[$items['rowid']][$key] = $items[$key];
		}

		return TRUE;
	}

	// --------------------------------------------------------------------

	/**
	 * Save the cart array to the session DB
	 *
	 * @return	bool
	 */
	protected function _save_cart()
	{
		// Let's add up the individual prices and set the cart sub-total
		$this->_cart_contents['total_items'] = $this->_cart_contents['cart_total'] = 0;
		foreach ($this->_cart_contents as $key => $val)
		{
			// We make sure the array contains the proper indexes
			if ( ! is_array($val) OR ! isset($val['price'], $val['qty']))
			{
				continue;
			}

			$this->_cart_contents['cart_total'] += ($val['price'] * $val['qty']);
			$this->_cart_contents['total_items'] += $val['qty'];
			$this->_cart_contents[$key]['subtotal'] = ($this->_cart_contents[$key]['price'] * $this->_cart_contents[$key]['qty']);
		}

		// Is our cart empty? If so we delete it from the session
		if (count($this->_cart_contents) <= 2)
		{
			$this->CI->session->unset_userdata('cart_contents');

			// Nothing more to do... coffee time!
			return FALSE;
		}

		// If we made it this far it means that our cart has data.
		// Let's pass it to the Session class so it can be stored
		$this->CI->session->set_userdata(array('cart_contents' => $this->_cart_contents));

		// Woot!
		return TRUE;
	}

	// --------------------------------------------------------------------

	/**
	 * Cart Total
	 *
	 * @return	int
	 */
	public function total()
	{
		return $this->_cart_contents['cart_total'];
	}

	// --------------------------------------------------------------------

	/**
	 * Remove Item
	 *
	 * Removes an item from the cart
	 *
	 * @param	int
	 * @return	bool
	 */
	 public function remove($rowid)
	 {
		// unset & save
		unset($this->_cart_contents[$rowid]);
		$this->_save_cart();
		return TRUE;
	 }

	// --------------------------------------------------------------------

	/**
	 * Total Items
	 *
	 * Returns the total item count
	 *
	 * @return	int
	 */
	public function total_items()
	{
		return $this->_cart_contents['total_items'];
	}

	// --------------------------------------------------------------------

	/**
	 * Cart Contents
	 *
	 * Returns the entire cart array
	 *
	 * @param	bool
	 * @return	array
	 */
	public function contents($newest_first = FALSE)
	{
		// do we want the newest first?
		$cart = ($newest_first) ? array_reverse($this->_cart_contents) : $this->_cart_contents;

		// Remove these so they don't create a problem when showing the cart table
		unset($cart['total_items']);
		unset($cart['cart_total']);

		return $cart;
	}

	// --------------------------------------------------------------------

	/**
	 * Get cart item
	 *
	 * Returns the details of a specific item in the cart
	 *
	 * @param	string	$row_id
	 * @return	array
	 */
	public function get_item($row_id)
	{
		return (in_array($row_id, array('total_items', 'cart_total'), TRUE) OR ! isset($this->_cart_contents[$row_id]))
			? FALSE
			: $this->_cart_contents[$row_id];
	}

	// --------------------------------------------------------------------

	/**
	 * Has options
	 *
	 * Returns TRUE if the rowid passed to this function correlates to an item
	 * that has options associated with it.
	 *
	 * @param	string	$row_id = ''
	 * @return	bool
	 */
	public function has_options($row_id = '')
	{
		return (isset($this->_cart_contents[$row_id]['options']) && count($this->_cart_contents[$row_id]['options']) !== 0);
	}

	// --------------------------------------------------------------------

	/**
	 * Product options
	 *
	 * Returns the an array of options, for a particular product row ID
	 *
	 * @param	string	$row_id = ''
	 * @return	array
	 */
	public function product_options($row_id = '')
	{
		return isset($this->_cart_contents[$row_id]['options']) ? $this->_cart_contents[$row_id]['options'] : array();
	}

	// --------------------------------------------------------------------

	/**
	 * Format Number
	 *
	 * Returns the supplied number with commas and a decimal point.
	 *
	 * @param	float
	 * @return	string
	 */
	public function format_number($n = '')
	{
		return ($n === '') ? '' : number_format( (float) $n, 2, '.', ',');
	}

	// --------------------------------------------------------------------

	/**
	 * Destroy the cart
	 *
	 * Empties the cart and kills the session
	 *
	 * @return	void
	 */
	public function destroy()
	{
		$this->_cart_contents = array('cart_total' => 0, 'total_items' => 0);
		$this->CI->session->unset_userdata('cart_contents');
	}

}




Copyright © 2015-2019 - by Lucas SOS | About the Author | Tags | Blog | Links | Login