PHPBootcamp - Zend Framework

Zend Framework Thomas Weidner I18N Team Leader and Core Developer, for the Zend Framework Now, the world's most popular web programming language gets even better with an easy to use framework for developing the next generation of web applications.

What is the Zend Framework? PHP 5 class library for web development Free, open source, BSD license (like PHP) +150,000 lines of code Emphasis on quality: 90%+ unit test coverage Solutions are “extremely simple” – solving the 80% usage case, and allowing for extensibility +200,000 downloads http://framework.zend.com/

History of the Zend Framework Brought to live at 19.October 2005 by Zend at the IST in California First official preview 03.March.2006 (V0.1.1) 12 official releases since 2006 Actual release 1.0RC1 Official 1.0 proposed for July

What’s in the Zend Framework? MVC web app framework (model-view-controller) Database access Lucene-compatible Search engine Input filtering and validation Authentication Access control Session handling I18N, translation PDF file reading and writing HTTP client XmlRpc REST web services RSS and Atom feeds Google Gdata client Logging Mail reading and sending Caching Configuration file handling Command-line option parsing Simple, convenient object-oriented solutions to common web application development tasks:

Component Overview 1/4 MVC Layer Zend_Controller – Controller Pattern Zend_View – View Pattern DATA Layer Zend_Db – Database Handling Zend_Pdf – PDF Creation and Handling Zend_Search – Lucene Search I18N Layer Zend_Date – Localized Date handling Zend_Locale – I18N Base class, Localisation Zend_Measure – Measurements, conversions Zend_Translate – Translations

Component Overview 2/4 WEB Services Layer Zend_Feed – RSS und ATOM Feeds Zend_GData – Google Data Client Zend_Http – HTTP Client and Server Zend_Json – JSON Access Zend_Rest – Rest Client and Server Zend_XmlRpc – XMLRPC Client and Server Zend_Service – Access for different web services including Askimet Amazon Audioscrobbler Delicious Flickr Simpy Yahoo and more are already in the incubator or proposed

Component Overview 3/4 Core Layer Zend_Acl – Access Controll List, Limiting ressources, roles, users Zend_Auth – Authentication Zend_Cache – Caching Zend_Config – Configuration Handling Zend_Console – Console Options Handling Zend_Filter – Filtering Input data Zend_Log – Log file Handling (log4j based) Zend_Mail – Mail sending and receiving Zend_Memory – Memory Access when memory is limited Zend_Registry – Storing data within an application registry Zend_Session – Session Handling Zend_Validate – Validating

Component Overview 4/4 Incubator Components… after 1.0 release, already partitial useable Zend_Currency – Localized currency handling (I18N) Zend_Environment – (Core) Zend_Form – Form handling (MVC) Zend_Soap – Soap Client and Server (Services) Zend_Timesync – Timeserver access (NTP, SNTP) (I18N) Future Components Several additional components proposed including… LDAP, Calendar, PayPal, YouTube, Yaml… Proposals http://framework.zend.com/wiki/display/ZFPROP/Home

Directory layout /Zend /Zend/Locale.php /Zend/Locale /Zend/Locale/Format.php … A component is always a base class and all subclasses in it’s same named directory. .. This way single components can be used without installing the complete framework…

Minimum requirements Some Minimum requirements PHP 5.1.4 Webserver Standard installation commonly no additional extensions needed That’s all…

A simple example 1/4 A simple example – Localisation: <?php require_once ‘Zend/Locale.php’; $locale = new Zend_Locale(); print $locale->toString();

A simple example 2/4 Each class can be used alone: <?php require_once ‘Zend/Locale.php’; $locale = new Zend_Locale(); print $locale->toString(); Requiring the file is enough… Each component knows which other components it has to load

A simple example 3/4 Location of the ZF components: <?php require_once ‘Zend/Locale.php’; $locale = new Zend_Locale(); print $locale->toString(); All components are in the same directory.

A simple example 4/4 The result: our users language <?php require_once ‘Zend/Locale.php’; $locale = new Zend_Locale(); print $locale->toString(); The visiting users language…

Localisation Possibilities of Zend_Locale Get the client users languages Get localized data Base localisation class for ZF Locale aware formating of numbers, dates and times Example1 Example2

Localized data Localized and translated data: Translation for all languages Translation for all scripts Translation for countries and territories Calendar formats Month- and Day names Standard formats for Date and Time Currency name, signs and formats Characters used in this language Yes and no strings …

Locale aware formating rules Zend_Locale_Format Converting from one script to another Normalizing of numbers (12,345.45 -> 12345.45) Localizing of numbers (12345.45 -> 12,345.45) Checking if a localized number is valid Normalizing date & time inputs Checking if a localized date or time input is valid

Script conversion From european digits to arabic digits and visa versa <?php require_once ‘Zend/Locale.php’; $number = “12345”; $converted = Zend_Locale_Format::convertNumerals($number, ‘Latn’, ‘Arab’); $european = Zend_Locale_Format::convertNumerals($converted, ‘Arab’, ‘Latn’); Example3

Number normalization Normalizing numbers <?php require_once ‘Zend/Locale.php’; $number = “12.345,67”; $normal = Zend_Locale_Format::getNumber($number); Example4

Number localization Localizing numbers <?php require_once ‘Zend/Locale.php’; $number = 12345.67; $normal = Zend_Locale_Format::toNumber($number); Example5 Example8

Multilingual applications Making applications running worldwide Translating output Format of date and time Format of numbers Format of currencies Knowing allowed characters of a language

Translation Gettext… the old way <?php bindtextdomain(‘domain’, ‘path’); textdomain(‘domain’); print gettext(‘my translation’); Fixed directory layout /path/LC_ALL/locale/ Needs an extension to work Complicated for people unfamiliar to GNUs gettext

Zend_Translate Gettext… with Zend_Translate <?php require_once ‘Zend/Translate.php’; // within bootstrap file $tr = new Zend_Translate(AN_ARRAY, ‘Path/to/myfile.mo’, ‘de’); print $tr->_(‘my translation’); No fixed directory layout No extension needed Same API for all sources

Zend_Translate sources Zend_Translate sources One API for all sources Supported sources are: Array Csv Gettext Qt Tmx Xliff More to come (SQL, XmlTm, …)

Switching sources Changing sources ? No problem… <?php require_once ‘Zend/Translate.php’; // within bootstrap file $tr = new Zend_Translate( AN_CSV , ‘Path/to/ myfile.csv ’, ‘de’); print $tr->_(‘my translation’); <?php require_once ‘Zend/Translate.php’; // within bootstrap file $tr = new Zend_Translate( AN_GETTEXT , ‘Path/to/ myfile.mo ’, ‘de’); print $tr->_(‘my translation’); Just one small change, same API

Conditional translating Is a string translateable ? <?php require_once ‘Zend/Translate.php’; // within bootstrap file $tr = new Zend_Translate(AN_CSV, ‘Path/to/myfile.csv’, ‘de’); if ($tr->isTranslated(‘my translation’)) { // do something } else { // no translation, do something else } Not possible with php

Allowed characters Verifying input… but localized ? <?php require_once ‘Zend/Locale.php’; // within bootstrap file $tr = new Zend_Locale(); $de = $tr->getTranslationList(‘characters’, ‘de’); $fr = $tr->getTranslationList(‘characters’, ‘fr’); For more than 128 languages Example6

Language selectbox Creating a localized selectbox for languages ? <?php require_once ‘Zend/Locale.php’; // within bootstrap file $tr = new Zend_Locale(); $de = $tr->getTranslationList(‘language’); foreach ($de as $key => $value) { $fr = $tr->getTranslationList(‘language’, $key); print $fr[$key]; } Example7

Yes or No How to realize a yes-no for every language ? <?php require_once ‘Zend/Locale.php’; // within bootstrap file $tr = new Zend_Locale(); $de = $tr->getQuestion(); Example9

Normalizing dates Monthnames / Daynames <?php require_once ‘Zend/Locale.php’; // within bootstrap file $date = “12.März.2007 20:15:00”; $tr = new Zend_Locale_Format::getDate($date, ‘de’); print_r($tr); Example10

Working with dates Zend_Date One class Handles all meanings (date, time, parts, sun…) Simple API Easy handling ISO Standard also PHP’s GNU supported Knows more than 50 standard represenations Unlimited (more than 64bit) dates supported

Working with dates 2 Capabilities Computing dates Get sunset / sunrise for cities Easy changing with ISO ( dd.MM.yyyy HH:mm:ss a ) Supports different standards ( ISO, GNU, RFC2822 (mail), W3C, RSS, Cookies…)

Date maths Computing dates Normalized Localized Added / Substracted Checked (earlier, later, equal Splitted Converted …

Date example Example11 $date = new Zend_Date(‘20070414T122050’, Zend_Date::ISO_8601); $date->addMonth(2); $date->subYear(6); If ($date->isLeapYear()) { // LeapYear } else { // NO LeapYear }

Checking dates Check if a date is a date If ( Zend_Date::isDate(’14. April. 2007 10:20:55’)) Example12 Compare parts If ( $date->compareWeekday(2)) Example13

Stay up Calculating sunset / sunrise With php… complicated With Zend_Date… just know your city $city = Zend_Date_Cities::City(‘Amsterdam’); $date = new Zend_Date(); $uptime = $date->getSunrise($city)

At the end Simple solution Easy handling Easy extending – 80% use case High quality Growing fast

Contact us http://framework.zend.com Mailinglist [email_address] Instant messager jabber.zend.com

Thanks http://framework.zend.com/

PHPBootcamp - Zend Framework

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