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:

API Overview

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

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

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

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();

Each class can be used alone:
<?php
Requiring the file is enough…
Each component knows which other components it has to load

Location of the ZF components:
<?php
All components are in the same directory.

The result: our users language
<?php
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
$number = “12.345,67”;
$normal = Zend_Locale_Format::getNumber($number);
Example4

Number localization
Localizing numbers
$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/

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PHPBootcamp - Zend Framework

by thomasw on Jun 11, 2007

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