OBJECT-ORIENTED PHP Concepts, Techniques, and Code- P14 pot

... name and the extension .php to form the filename) will work fine with __autoload. __sleep and __wakeup These magic methods have been available since PHP 4 and are invoked by the variable handling ... can come in very handy. __isset and __unset PHP 5.1.0 introduces the magic methods __isset and __unset. These methods are called indirectly by the built-in PHP functions i...

Ngày tải lên: 03/07/2014, 07:20

... not be a problem if you are using PHP 5, but it may be if you are following along and creating a class in PHP 4. To determine which version you have, use the phpinfo function or the more specific ... produce an expanded and upgraded class. As you’ve seen, you needed to make surprisingly few changes to this class in order to implement some of the key changes introduced with PHP...

Ngày tải lên: 03/07/2014, 07:20

... retrieves the path and size from a query string and uses these values to con- struct a thumbnail and then display it (in this chapter’s downloads, this is the file getthumb .php) . < ?php //this file ... images within a directory, at reduced sizes. < ?php require 'DirectoryItems .php& apos;; OOPHP_02.book Page 44 Friday, May 5, 2006 2:25 PM OOPHP_02.book Page 46 Friday...

Ngày tải lên: 03/07/2014, 07:20

... try is thrown and handled by the catch. This is why a try/catch block is said to handle exceptions. However, there are important differences between error trapping and exception handling. The ... error message and reload the web page rather than simply exit the application. There are some notable differences between error handling in PHP and other languages. For instance, PHP...

Ngày tải lên: 03/07/2014, 07:20

... may be thinking). However, PHP Data Objects (PDO) can’t be ignored because they are packaged with PHP version 5.1 and higher, and they are “something many of the PHP dev team would like to ... version 3, since PHP 5.1 supports this version. It’s appre- ciably faster than version 2 and handles concurrency better. However, the database format has changed; versions 2 and 3 a...

Ngày tải lên: 03/07/2014, 07:20

... classes, and PHP is no excep- tion. PHP 5 introduces the Standard PHP Library (SPL), which provides a number of ready-made classes and interfaces. As of version 5.1, depending upon how PHP is ... OBJECT-ORIENTED PHP Concepts, Techniques, and Code by Peter Lavin San Francisco ® OOPHP_02.book Page iii Friday, May 5, 2006 2:25 PM 8 Chapter ... 139 Chapter 16: Using PDO 15...

Ngày tải lên: 24/01/2014, 15:45

... Data Lavin, Peter. Object-oriented PHP : concepts, techniques, and code / Peter Lavin. p. cm. Includes index. ISBN 1-59327-077-1 1. PHP (Computer program language) 2. Object-oriented programming ... 005.1'17 dc22 2006015309 oophp_TITLE_COPY.fm Page iv Tuesday, May 16, 2006 9:32 AM OBJECT-ORIENTED PHP Concepts, Techniques, and Code by Peter Lavin San Francisco...

Ngày tải lên: 03/07/2014, 07:20

... Holy Grail? 164 A SETTING UP PHP 5 165 php. ini Settings 166 E_STRICT 167 Don’t Escape Twice 168 B CONVERSION TABLE: PHP 4 AND PHP 5 169 GLOSSARY 173 INDEX 179 OOPHP_02.book Page xii Friday, May ... magic methods available in PHP 5. Understanding these methods is essential for getting the maximum benefit out of OO PHP and for avoiding some common “gotchas.” Chapter 14 PHP 5...

Ngày tải lên: 03/07/2014, 07:20

... hasn’t happened with PHP, and there’s good reason to suspect that it won’t. PHP is first and foremost a web development lan- guage (which is probably why it has taken so long for PHP to adopt an ... language. The PHP Culture Culture is not something that is usually associated with a programming language, but looking at the culture of PHP will help you understand PHP s impleme...

Ngày tải lên: 03/07/2014, 07:20

... classes, and PHP is no excep- tion. PHP 5 introduces the Standard PHP Library (SPL), which provides a number of ready-made classes and interfaces. As of version 5.1, depending upon how PHP is ... hands. PHP is a victim of its own success. The popularity and stability of PHP 4 have slowed the adoption of PHP 5. PHP 4 is a mature language that supports many application...

Ngày tải lên: 03/07/2014, 07:20