| The Advantages of PHP |
| PHP is one of the most popular server side scripting languages running today. It is used for creating dynamic webpages that interact with the user offering customized information. PHP offers many advantages; it is fast, stable, secure, easy to use and open source (free).. |
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| Overview |
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| Rasmus Lerdorf wrote the first PHP (first called Personal Home Page) scripts as a series of Perl scripts that he used to track visitors to his webpage and to see who was viewing his resume. He eventually rewrote PHP as a scripting engine and added support for forms. PHP has been evolving since 1994 as an open source code. A community of followers and developers formed and began using and further developing PHP. Over the years the Personal Home Page acronym was dropped and it evolved into the PHP Hypertext Preprocessor. |
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| PHP code is inserted directly into the HTML that makes up a website. When a visitor comes to the website, the code is executed. Because PHP is a server side technology, the user does not need any special browser or plug-ins to see the PHP in action. |
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| The beauty of PHP lies in its simplicity. It is easy to understand and learn, especially for those with backgrounds in programming such as C, javascript and HTML. The language is similar to C and Perl so that anyone with a background in either C or Perl programming will feel comfortable using and understanding PHP. PHP also runs on just about every platform including most UNIX, Macs and Windows versions. |
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| PHP doesn,Äôt use a lot of the system,Äôs resources so it runs fast and doesn,Äôt tend to slow other processes down. It is typically used as an Apache module, written in C, so it loads and executes quickly. It works well with other software and can be quite fast. PHP is also fairly stable and since it is open source, the PHP community works together to fix any bugs. The community offers technical support and continuously updates the code further expanding PHP,Äôs capabilities. |
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| PHP offers many levels of security to prevent malicious attacks. These security levels can be adjusted in the .ini file. |
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| Another key advantage of PHP is its connective abilities. PHP uses a modular system of extensions to interface with a variety of libraries such as graphics, XML, encryption, etc. In addition, programmers can extend PHP by writing their own extensions and compiling them into the executable or they can create their own executable and load it using PHP,Äôs dynamic loading mechanism. |
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| In addition to extensions, PHP has tons of server interfaces, database interfaces and other modules available. Of the server interfaces, PHP can load into Apache, IIS, Roxen, THTTPD and AOLserver. It can also be run as a CGI module. Database interfaces are available for MySQL, MS SQL, Informix, Oracle and plenty of others. If a database is not supported, ODBC is an option. |
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| The main PHP source repository is loaded with modules and interfaces that users have written and contributed. There you can find modules for flash movies, PDF files, calendars and more. |
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| A huge advantage that PHP offers is its community. Since PHP is an open source project, the PHP community is willing to share. If you,Äôre looking for a particular script, chances are another user has already created something similar. Check within the PHP community for availability. Likewise, if you have created a function that others might enjoy, be sure to post the code for others. |
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| PHP programming & Development |
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| PHP programming has the premier position as a popular embedded scripting language. The PHP software advantage is its unique trademark of flexibility and ease of use, which is in tune with Excellone Web Solutions Development Company, India's policy of using appropriate technology. |
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| PHP Programming is a widely used open source general-purpose scripting language that is specially suited for Web development and can be embedded into HTML. PHP programming is an advanced programming tool for creation of dynamic web pages. It provides an easier way to accomplish web related programming tasks, which are normally carried out with difficulty in technologies like Perl. PHP is actually an embedded scripting language, which is good for the web because PHP scripts live inside web pages right with the HTML tags and content; which is exactly why PHP is called an embedded scripting language. Developers can embed programs in their web pages, making them dynamic and treat programs just like web pages. |
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| PHP pages can contain both regular HTML and PHP codes, which allow one to develop web applications quickly. However, the PHP programming advantage is that, unlike some web scripting languages, it differentiates between sections of PHP code and sections of the HTML document. Since PHP uses similar syntax and constructs, knowledge of PHP can help in the C language. The data types and structures of PHP are easy to use and understand. One does not have to memorize any special commands to compile a program, it runs right away in the web browser. PHP serves as an integrator for many standard C libraries, which are easily compiled into the language giving it the flexibility to respond more rapidly to the changing trends in web technology. Things that can be done in PHP can also be done in other languages, but PHP is designed to work in a web context. PHP enabled websites can be deployed with amazing rapidity, due to its being tuned for dynamic pages and database back ends. The major advantage with PHP programming is that one does not have to know everything there is, to know about PHP before one can write useful programs. |
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| Application advantage |
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| The PHP Application advantage lies in the fact that it is different from a script written in other languages like Perl or C. Instead of writing a program with lots of commands to output HTML, one can write an HTML script with some embedded code to output some text. The PHP code is enclosed in start and end tags that allow one to move in and out of the "PHP mode". What distinguishes PHP from something like client-side JavaScript is that the code is executed on the server. |
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| The PHP Application advantages are that while it is simple enough for a newcomer, it offers many advanced features for a professional programmer. Although PHP's development is focused on server-side scripting, such as collect form data, generate dynamic page content, or send and receive cookies, server-side scripting is the most traditional and main target field for PHP. One needs to run the web server, with a connected PHP installation. The PHP program output can be accessed with a web browser, viewing the PHP page through the server. All these can run on one's home machine with PHP programming. PHP is probably not the very best language to create a desktop application with a graphical user interface, but if one is well-versed in PHP, and would like to use some advanced PHP features in your client-side applications, PHP can also be used to write such programs. Another PHP Software advantage is that it can be used on all major operating systems, including Linux. PHP has also support for most of the web servers namely Apache, Microsoft Internet Information Server, Personal Web Server, Netscape, iPlanet servers and many others. So with PHP, one has the freedom of choosing an operating system and a web server. |
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| Furthermore, one also has the choice of using procedural programming or object oriented programming, or a combination of them. Although not every standard OOP feature is implemented in PHP, any code libraries and large applications are written using only OOP code. PHP's abilities include outputting images, PDF files and even Flash movies. You can also output any text easily, such as XHTML and any other XML file. Yet another PHP Software advantage is that PHP can generate these files, and save them in the file system, instead of printing it out, thereby forming a server-side cache for your dynamic content. |
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| PHP Development with Zend Framework |
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| ZF's use-at-will architecture allows developers to reuse components when and where they make sense in their applications without requiring other ZF components beyond minimal dependencies. There is therefore no single development paradigm or pattern that all Zend Framework users must follow, although ZF does provide components for the MVC and Table Gateway design patterns which are used in most ZF applications. Zend Framework provides individual components for many other common requirements in web application development, including authentication and authorization via access control lists (ACL), application configuration, data caching, filtering/validation of user-provided data for security and data integrity, internationalization, interfaces to AJAX functionality, email composition/delivery, Lucene-format search indexing and querying, and all Google Data APIs along with many other popular web services. Because of their loosely coupled design, ZF components can be used relatively easy alongside components from other PHP web application frameworks.. |
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| Extreme Simplicity & Productivity |
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| We designed Zend Framework with simplicity in mind. To provide a lightweight, loosely-coupled component library simplified to provide 4/5s of the functionality everyone needs and that lets you customize the other 20% to meet your specific business needs. By focusing on the most commonly needed functionality, we retain the simplified spirit of PHP programming, dramatically lower the learning curve, and your training costs - so developers get up-to-speed quickly. We do this with: |
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| Extensible and well-tested code base |
| Flexible architecture |
| No configuration files necessary to get going |
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| Frameworks and best practices mean reduced training costs and quicker time-to-market - important factors in adoption decisions. Built so you can pick and choose just the pieces you need to turbocharge your web applications - all your developers know where to find their PHP / Zend Framework code, speeding new development and reducing maintenance costs. |
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| Latest Web Development Features |
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AJAX support through JSON - meet the ease-of-use requirements your users have come to expect
Search - a native PHP edition of the industry-standard Lucene search engine
Syndication - the data formats & easy access to them your Web 2.0 applications need
Web Services - Zend Framework aims to be the premier place to consume & publish web services
High-quality, object-oriented PHP 5 class library - attention to best practices like design patterns, unit testing, & loose coupling |
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Friendly & Simple Licensing, Safe for the Enterprise |
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Based on the simple and safe new BSD license, with Zend Framework's License, you rest assured that your code is compliant, unimpeachable, and protected as you see fit. We also require all contributors to the open source Zend Framework to complete and sign a Contributor License Agreement (CLA) - which is based on the standard open-source Apache license - protecting your own intellectual property (that is, your added-value) built on Zend Framework. |
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Fully Tested - Extend Safely and Easily |
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Tested. Thoroughly. Enterprise-ready and built with agile methods, Zend Framework has been unit-tested from the start, with stringent code coverage requirements to ensure that all code contributed has not only been thoroughly unit-tested, but also remains stable and easy for you to extend, re-test with your extensions, and further maintain. |
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Licensing |
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Zend Framework is licensed under the Open Source Initiative(OSI)-approved New BSD License, and all code contributors must sign a Contributor License Agreement (CLA) based on the Apache Software Foundation's CLA. The licensing and contribution policies were established to circumvent any intellectual property issues for commercial ZF users. |
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| Requirements |
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Zend Framework requires PHP 5.1.4 or later, although the ZF Programmer's Reference Guide strongly recommends PHP 5.2.3 or later for security and performance improvements included in these versions of PHP. PHPUnit 3.0 or later is required to run the unit tests shipped with Zend Framework. Many components also require PHP extensions; a full list of components and their dependencies can be found in the Programmer's Reference Guide. |
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| Releases |
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Zend Framework releases are versioned with three numbers in the format x.y.z, where a changes in x, y, or z correspond to major, minor, and mini releases, respectively. The first General Availability release of ZF was released on 2007-06-30 as Zend Framework 1.0. The latest release is 1.5, which was made available for download on 2008-03-17. |
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| Development Features and Enterprise Benefits |
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| Enterprise Reliability & Performance |
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| PHP Web application that supports the enterprise reliability and comprehensive performance features organizations need for business-critical applications. |
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| Maximum reliability by providing advanced high-availability and scalability features for clustered PHP application environments. |
| State of the art monitoring that lets you quickly identify and fix problems. |
| Multi-layered performance capabilities improve the responsiveness of even the most demanding applications |
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| Reliability Features |
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| PHP Platform provides a wide range of reliability feature to help insure your applications run correctly, integrate into your existing infrastructure and scale to meet the needs of your growing business. |
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| Monitoring |
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| PHP Intelligence reduces downtime and simplifies the management of your PHP servers by monitoring activity, detecting, and recording a wide range of application issues that can impact performance and reliability. It can be configured to automatically notify administrators using standard technologies. By integrating with Zend Studio, PHP Intelligence provides superior diagnostic capabilities. Problems can be recreated in the debugger with a single speeding problem resolution |
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| Real-time event driven system Monitors and identifies performance issues, script/function errors, database problems, Apache problems, Java Exceptions, HTTP errors and much more Tracks script/function behavior and calculates normal-state averages Reports critical errors immediately using standard services (SMS, email, XML, etc.) Records and retains full PHP application aware context for reported problems for easy "root cause" diagnostic analysis Replay production problem on development servers for safer debugging Integration with Zend Studio provides debug and profile information for immediate fault diagnosis and repair |
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| Centralized Configuration Management |
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| Configuration Management simplifies PHP application environment management by centralizing performance settings, event thresholds, PHP configuration and other settings that affect application behavior. Eliminate error caused by inconsistent server setup by automatically replicating the configuration to across a group of servers.
Performance tuning page allows quick adjustment to Zend Platform's capabilities Dynamic Content Configuration allows easy caching configuration based on 'match' or 'not match' criteria based on a regular expressions Includes: PHP extensions visualization and highlighting of modified directive / extension values |
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| Session Clustering (ES) |
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| Session Clustering provides a more robust and reliable user experience by providing a high availability fail-over solution for your PHP environment. This highly scalable solution synchronizes session data across a cluster of PHP servers and automatically transfers to another server in the event of a failure giving a seamless user experience |
| Strong locking to insure reliability and integrity under high load |
| Fully distributable High Availability solution |
| Seamlessly integrated into any PHP's native session extension without code changes |
| 4x-6x times faster than other solutions in typical configurations |
| Work with load-balancing technique ranging from round-robin DNS to sophisticated load balancers |
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| Java Bridge (ES) |
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| Java Bridge provides capabilities that allow PHP developers to quickly create applications that interact with Java objects or J2EE services. This capability allows applications that merge the best of PHP with the best of your current Java infrastructure, to create rich applications that seamlessly integrate with your existing infrastructure. By leveraging your proven infrastructure your application get done sooner and run more reliably. |
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1.Seamless integration with Java classes & J2EE services
2.Automatic type conversion to simplify programming
3.Unprecedented performance and scalability by using direct calls to a single JVM |
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| SNMP Integration (ES) |
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| SNMP Integration simplifies management of your PHP production environment by integrating PHP Intelligence events into your existing infrastructure. It allows Zend Platform nodes to initiate a SNMP Trap to a SNMP server located in your cluster. With SNMP Traps PHP errors/warnings can be displayed via central data-center monitoring console systems. |
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| Business Intelligence and Reporting Tools Integration (ES) |
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| The integration with Business Intelligence and Reporting Tools (BIRT) improves the user experience by providing PHP applications capabilities to produce reports using off the shelf technology. By providing core reporting functionality such as report layout, data access and scripting, developer can quickly create reports in Web or PDF format tailored to your business needs. |
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| Web Services API |
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| Zend Platform APIs can now be invoked via Web Services, including PHP Intelligence and Cluster Configuration. Zend Studio uses this functionality to integrate with Zend Platform for PHP Intelligence events. |
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