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php和mysqlweb开发

php和mysqlweb开发
php和mysqlweb开发

一、英文原文

Laura Thomson .php and mysql web develop

Luke Welling,Laura Thomson

PHP is a scripting language originally designed for producing dynamic web pages. It has evolved to include a command line interface capability and can be used in standalone graphical applications.

While PHP was originally created by Rasmus Lerdorf in 1995, the main implementation of PHP is now produced by The PHP Group and serves as the de facto standard for PHP as there is no formal specification. PHP is free software released under the PHP License, however it is incompatible with the GNU General Public License (GPL), due to restrictions on the usage of the term PHP.

PHP is a widely-used general-purpose scripting language that is especially suited for web development and can be embedded into HTML. It generally runs on a web server, taking PHP code as its input and creating web pages as output. It can be million websites and 1 million web servers.

PHP originally stood for Personal Home Page. It began in 1994 as a set of Common Gateway Interface binaries written in the C programming language by the Danish/Greenlandic programmer Rasmus Lerdorf. Lerdorf initially created these Personal Home Page Tools to replace a small set of Perl scripts he had been using to maintain his personal homepage. The tools were used to perform tasks such as displaying his résuméand recording how much traffic his page was receiving. He combined these binaries with his Form Interpreter to create PHP/FI, which had more functionality. PHP/FI included a larger implementation for the C programming language and could communicate with databases, enabling the building of simple, dynamic web applications. Lerdorf released PHP publicly on June 8, 1995 to accelerate bug location and improve the code.This release was named PHP version 2 and already had the basic functionality that PHP has today. This included Perl-like variables, form handling, and the ability to embed HTML. The syntax was similar to Perl but was more limited, simpler, and less consistent.

Zeev Suraski and Andi Gutmans, two Israeli developers at the Technion IIT, rewrote the parser in 1997 and formed the base of PHP 3, changing the language's name to the recursive initialism PHP: Hypertext Preprocessor. The development team officially released PHP/FI 2 in November 1997 after months of beta testing. Afterwards, public testing of PHP 3 began, and the official launch came in June 1998. Suraski and Gutmans then started a new rewrite of PHP's core, producing the Zend Engine in 1999. They also founded Zend Technologies in Ramat Gan, Israel.

On May 22, 2000, PHP 4, powered by the Zend Engine 1.0, was released. On July 13, 2004, PHP 5 was released, powered by the new Zend Engine II. PHP 5 included new features such as improved support for object-oriented programming, the PHP Data Objects extension (which defines a lightweight and consistent interface for accessing

databases), and numerous performance enhancements. The most recent update released by The PHP Group is for the older PHP version 4 code branch. As of August, 2008 this branch is up to version 4.4.9. PHP 4 is no longer under development nor will any security updates be released.

In 2008, PHP 5 became the only stable version under development. Late static binding has been missing from PHP and will be added in version 5.3. PHP 6 is under development alongside PHP 5. Major changes include the removal of register_globals, magic quotes, and safe mode. The reason for the removals was because register_globals had given way to security holes, and magic quotes had an unpredictable nature, and was best avoided. Instead, to escape characters, magic quotes may be substituted with the addslashes() function, or more appropriately an escape mechanism specific to the database vendor itself like mysql_real_escape_string() for MySQL.

PHP does not have complete native support for Unicode or multibyte strings; Unicode support will be included in PHP 6. Many high pro source projects ceased to support PHP 4 in new code as of February 5, 2008, due to the GoPHP5 initiative, provided by a consortium of PHP developers promoting the transition from PHP 4 to PHP 1397 It runs in both 32-bit and 64-bit environments, but on Windows the only official distribution is 32-bit, requiring Windows 32-bit compatibility mode to be enabled while using IIS in a 64-bit Windows environment. There is a third-party distribution available for 64-bit Windows.

PHP is a general-purpose scripting language that is especially suited for web development. PHP generally runs on a web server, taking PHP code as its input and creating web pages as output. It can also be used for command-line scripting and client-side GUI applications. PHP can be deployed on most web servers, many operating systems and platforms, and can be used with many relational database management systems. It is available free of charge, and the PHP Group provides the complete source code for users to build, customize and extend for their own use.

PHP primarily acts as a filter, taking input from a stream containing text and/or PHP instructions and outputs another stream of data; most commonly the output will be HTML. It can automatically detect the language of the user. From PHP 4, the PHP parser compiles input to produce bytecode for processing by the Zend Engine, giving improved performance over its interpreter predecessor.

Originally designed to create dynamic web pages, PHP's principal focus is server-side scripting, and it is similar to other server-side scripting languages that provide dynamic content from a web server to a client, such as Microsoft's Active Server Pages, Sun Microsystems' JavaServer Pages, and mod_perl. PHP has also attracted the development of many frameworks that provide building blocks and a design structure to promote rapid application development (RAD). Some of these include CakePHP, Symfony, CodeIgniter, and Zend Framework, offering features similar to other web application frameworks.

The LAMP architecture has become popular in the web industry as a way of deploying web applications. PHP is commonly used as the P in this bundle alongside Linux, Apache and MySQL, although the P may also refer to Python or Perl.

As of April 2007, over 20 million Internet domains were hosted on servers with PHP installed, and PHP was recorded as the most popular Apache module. Significant websites are written in PHP including the user-facing portion of Facebook, Wikipedia , PHP can be used to create stand-alone, compiled applications and libraries, it can be used for shell scripting, and the PHP binaries can be called from the command line.

As with many scripting languages, PHP scripts are normally kept as human-readable source code, even on production web servers. In this case, PHP scripts will be compiled at runtime by the PHP engine, which increases their execution time. PHP scripts are able to be compiled before runtime using PHP compilers as with other programming languages such as C (the language PHP and its extensions are written in).

Code optimizers aim to reduce the computational complexity of the compiled code by reducing its size and making other changes that can reduce the execution time with the overall goal of improving performance. The nature of the PHP compiler is such that there are often opportunities for code optimization, and an example of a code optimizer is the Zend Optimizer PHP extension.

Another approach for reducing overhead for high load PHP servers is using PHP accelerators. These can offer significant performance gains by caching the compiled form of a PHP script in shared memory to avoid the overhead of parsing and compiling the code every time the script runs.

The National Vulnerability Database stores all vulnerabilities found in computer software. The overall proportion of PHP-related vulnerabilities on the database amounted to: 12% in 2003, 20% in 2004, 28% in 2005, 43% in 2006, 36% in 2007, and 35% in 2008. Most of these PHP-related vulnerabilities can be exploited remotely: they allow hackers to steal or destroy data from data sources linked to the webserver (such as an SQL database), send spam or contribute to DOS attacks using malware, which itself can be installed on the vulnerable servers.

These vulnerabilities are caused mostly by not following best practice programming rules: technical security flaws of the language itself or of its core libraries are not frequent. Recognizing that programmers cannot be trusted, some languages include taint checking to detect automatically the lack of input validation which induces many issues. Such a feature is being developed for PHP. Although it may be included in mainstream PHP in a future release, its inclusion has been rejected several times in the past.

Hosting PHP applications on a server requires a careful and constant attention to deal with these security risks. There are advanced protection patches such as Suhosin and Hardening-Patch, especially designed for web hosting environments. Installing PHP as a CGI binary rather than as an Apache module is the preferred method for added security.

With respect to securing the code itself, PHP code can be obfuscated to make it difficult to read while remaining functional.

Syntax-highlighted PHP code embedded within HTMLPHP only parses code within its delimiters. Anything outside its delimiters is sent directly to the output and is not parsed by PHP. The most common delimiters are , which are open and

close delimiters respectively. delimiters are also available. Short tags can be used to start PHP code, . These tags are commonly used, but like ASP-style tags (<% or <%= and %>), they are less portable as they can be disabled in the PHP configuration. For this reason, the use of short tags and ASP-style tags is discouraged. The purpose of these delimiters is to separate PHP code from non-PHP code, including HTML.

Variables are prefixed with a dollar symbol and a type does not need to be specified in advance. Unlike function and class names, variable names are case sensitive. Both double-quoted ("") and heredoc strings allow the ability to embed a variable's value into the string. PHP treats newlines as whitespace in the manner of a free-form language (except when inside string quotes), and statements are terminated by a semicolon. PHP has three types of comment syntax: /* */ serves as block comments, and // as well as # are used for inline comments. The echo statement is one of several facilities PHP provides to output text (e.g. to a web browser).

In terms of keywords and language syntax, PHP is similar to most high level languages that follow the C style syntax. If conditions, for and while loops, and function returns are similar in syntax to languages such as C, C++, Java and Perl. PHP stores whole numbers in a platform-dependent range. This range is typically that of 32-bit signed integers. Unsigned integers are converted values in certain situations; this behavior is different from other programming languages.Integer variables can be assigned using decimal (positive and negative), octal, and hexadecimal notations. Floating point numbers are also stored in a platform-specific range. They can be specified using floating point notation, or two forms of scientific notation. PHP has a native Boolean type that is similar to the native Boolean types in Java and C++. Using the Boolean type conversion rules, non-zero values are interpreted as true and zero as false, as in Perl and C++.The null data type represents a variable that has no value. The only value in the null data type is NULL. Variables of the "resource" type represent references to resources from external sources. These are typically created by functions from a particular extension, and can only be processed by functions from the same extension; examples include file, image, and database resources. Arrays can contain elements of any type that PHP can handle, including resources, objects, and even other arrays. Order is preserved in lists of values and in hashes with both keys and values, and the two can be intermingled. PHP also supports strings, which can be used with single quotes, double quotes, or heredoc syntax.

The Standard PHP Library (SPL) attempts to solve standard problems and implements efficient data access interfaces and classes.

PHP has hundreds of base functions and thousands more via extensions. These functions are well documented on the PHP site, but unfortunately, the built-in library has a wide variety of naming conventions and inconsistencies. PHP currently has no functions for thread programming.

Functions are not first-class functions and can only be referenced by their name--directly or dynamically by a variable containing the name of the function. User-defined functions can be created at any time without being prototyped.

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C、Non Thread Safe是非线程安全的意思,不建议应用于生产环境;Thread Safe 是线程安全,选择线程安全的php版本使用。 D、Php核心包的安装就是解压即可, 2、在linux系统下搭建:linux+apache+php+mysql=》lamp ★将apache和php整合的步骤(即让apache服务器来处理php文件):(1)在apache的conf目录下的httpd.conf加入如下代码: LoadModule php5_module "D:/php-5.3.5/php5apache2_2.dll" #用于指定php的ini文件,该文件是对php的一些配置 PHPIniDir "D:/php-5.3.5" #此配置表示当有一个资源是*.php的时候就有php来处理 AddType application/x-httpd-php .php .phtml 注:黄色部分为php的安装路径 (2)把php.ini-development文件改成php.ini(原因:php的设置也需要在php.ini中修改) (3)在php.ini中可以指定对应的功能模块, ; extension_dir = "./" ; On windows: ;这里要指定php的扩展库路径 extension_dir = "D:/php-5.3.5/ext" 测试apache和php整合成功的步骤:用下面一段代码, 建立.php文件,放在apache的根目录下,重启apache后,访问http://localhost/test.php看是否成功。

基于PHP+MySQL的网络购物系统 精品

摘要 近些年,Internet的发展迅速,互联网迈入流通领域并逐渐成为提供收集信息的最优方式。电子商务因此家喻户晓,成为一个很热门的话题。而网上购物已经成为当今社会一种比较流行的购物方式,大家可以迅速在购物网站上找到想要的商品,购物变得更加轻松、快捷和方便,因此网上商城取得了巨大的成功。例如大家都比较熟悉的淘宝和京东商城。 目前在国内较为常用的购物系统开发语言有PHP,JSP,https://www.wendangku.net/doc/6915994549.html,,ASP。而PHP作为一个开源产品,在短短的几年时间里,已倍受广大网页程序员的喜爱。PHP与MYSQL的组合,已成为各企业、公司的一种普遍采用的技术方案。一些中小企业由于技术成本等问题,一直采用老旧的系统,而出现的PHP与MYSQL 组合对于构建网上购物系统而言已成为理想的解决方案。 关键字:网上购物;电子商务;PHP;MySQL

Abstract The past recent years, with the rapid rise of the Internet, the Internet has increasingly become the best channels for collecting information and gradually into the traditional circulation. So e-commerce began to pop up, e-commerce has become a very popular topic. The online shopping has become today's society a more popular way of shopping, users can quickly find their favorite goods, making shopping easier, faster and convenient online store has achieved great success. For example, we are more familiar with Taobao and Jingdong Mall. More commonly used in domestic shopping system development language PHP, JSP, https://www.wendangku.net/doc/6915994549.html,, ASP. PHP as an open source product in just a few years time, much of our web programmers alike. PHP and MySQL combination has become all business, the company is a general technical solution adopted. Some SMEs due to the cost of technology and other issues, has been using the old system, the emergence of PHP and MYSQL combination has become the ideal solution for building online shopping system. Key words:Online Shopping;Electronic commerce;PHP;MySQL

Windows Apache Mysql PHP环境的安装与配置 图文教程 经典整合版

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单击“Next”。 单击“I accept the terms in the license agreement”之后再单击“Next”。

单击“Next”。 服务器信息可以按照默认配置,如果服务器的80端口没被其他服务器程序占据。可选“for All Users,on Port 80, as a

Service—Recommended.”如果仅为当前用户使用,使用8080端口,手动启动,选择“only for the Current User, on Port 8080, when started Manually.”。单击“Next”。 “Typical”为默认安装,“Custom”为用户自定义安装。 选择“Custom”,单击“Next”。

单击“Build Headers and libraries”,选择“This feature will be installed on local dirive.” 单击“Change…”

计算机外文翻译---基于PHP和MYSQL的网站设计和实现

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VC6 是为了其他WEB服务软件提供的,如 Apache。我下载的是ZIP包,下载地址 Mysql版本:mysql-essential-5.1.45-win32,即MySQL Community Server 5.1.45,下载地址 Apache版本:httpd-2.2.15-win32-x86-openssl-0.9.8m-r2,openssl表示带有openssl模块,利用openssl可给Apache配置SSL 安全链接。下载地址 下载地址: php:https://www.wendangku.net/doc/6915994549.html,/download/ (https://www.wendangku.net/doc/6915994549.html,/downloads/releases/php-5.3.2-Win32-V C9-x86.msi) mysql:https://www.wendangku.net/doc/6915994549.html,/downloads/mysql/ (https://www.wendangku.net/doc/6915994549.html,/get/Downloads/MySQL-5.1/mysql-5.1.46-w in32.msi/from/ftp://https://www.wendangku.net/doc/6915994549.html,.tw/pub/MySQL/ 或者 https://www.wendangku.net/doc/6915994549.html,/get/Downloads/MySQL-5.1/mysql-5.1.46-win 32.msi/from/https://www.wendangku.net/doc/6915994549.html,.tw/) PHP环境搭建第一步:Windows 7下安装Apache服务。

windows 7 下快速搭建php环境

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出现如上界面说明成功安装IIS v7.0 新建站点:(默认的站点用作asp/https://www.wendangku.net/doc/6915994549.html,/,启动8080端口,即访问使用http://localhost:8080/) 2.配置PHP环境 采用php v5.2.5。下载php v5.2.5之后解压到G:\php 在IIS中如下操作: 添加ISAPI筛选器: 添加脚本映射:

php和mysql web开发外文翻译 (2)

外文翻译-原文部分 Laura Thomson php and mysql web develop PHP is a scripting language originally designed for producing dynamic web pages It has evolved to include a command line interface capability and can be used in standalone graphical applications. While PHP was originally created by Rasmus Lerdorf in 1995, the main implementation of PHP is now produced by The PHP Group and serves as the de facto standiird for PHP as there is no formal specification. PHP is free software released under the PHP License, however it is incompatible with the GNU General Public License (GPL), due to restrictions on the usage of the term PHP. PHP is a widely-used general-purpose scripting language that is especially suited for web development and can be embedded into HTML. It generally runs on a web server, taking PHP code as its input and creating web pages as output. It can be million websites and 1 million web servers. PHP originally stood for Personal Home Page, It began in 1994 as a set of Common Gateway Interface binaries written in the C programming language by the Danish/Greenlandic programmer Rasmus Lerdorf. Lerdorf initially created these Personal Home Page Tools to replace a small set of Perl scripts he had been using to maintain his personal homepage. The tools were used to perform tasks such as displaying his rdsum^ and recording how much traffic his page was receiving. He combined these binaries with his Fonn Interpreter to create PHP/FI, which had more functionality. PHP/FI included a larger implementation for the C programming language and could communicate with databases, enabling the building of simple, dynamic web applications. lerdorf released PHP publicly on June 8,1995 to accelerate bug location and improve the code.This release was named PHP version 2 and already had the basic functionality that PHP has today. This included Perl-like variables, form handling, and the ability to embed HTML. The syntax was similar to Perl but was more limited, simpler, and less consistent. Zeev Suraski and Andi Gutmans,two Israeli developers at the Technion IIT,

php+mysql 环境搭建的图文教程

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选择安装类型,有“Typical(默认)”、“Complete(完全)”、“Custom(用户自定义)”三个选项,我们选择“Custom”,有更多的选项,也方便熟悉安装过程

在“Developer Compo nents(开发者部分)”上左键单击,选择“This feature, and all subfeatures, will be installed on local hard drive.”,即“此部分,及下属子部分内容,全部安装在本地硬盘上”。在上面的“MySQL Server(mysql服务器)”、“Client Programs(mysql客户端程序)”、“Documentation(文档)”也如此操作,以保证安装所有文件。点选“Change...”,手动指定安装目录。 填上安装目录,我的是“F:ServerMySQLMySQL Server 5.0”,也建议不要放在与操作系统同一分区,这样可以防止系统备份还原的时 候,数据被清空。按“OK”继续。 返回刚才的界面,按“Next”继续。

《PHP和MySQL Web应用开发》练习题参考答案

第1章Web应用程序设计与开发概述 一、选择题 1.A 2.D 3.C 二、填空题 1.主机/哑终端;客户机/服务器(C/S);浏览器/服务器(B/S) 2.Web 3.HTML;脚本;资源 4.HTTP 三、简答题 1.答: 客户机必须安装操作系统和必要的客户端应用软件,客户机上的任务主要如下: ●建立和断开与服务器的连接。 ●提交数据访问请求。 ●等待服务通告,接受请求结果或错误。 ●处理数据库访问结果或错误,包括重发请求和终止请求。 ●提供应用程序的友好用户界面。 ●数据输入/输出及验证。 同样,服务器也必须安装操作系统和必要的服务器端应用软件,服务器上的任务主要如下: ●为多用户管理一个独立的数据库。 ●管理和处理接收到的数据访问请求,包括管理请求队列、管理缓存、响应服务、管理结果和通知服务完成等。 ●管理用户账号、控制数据库访问权限和其他安全性。 ●维护数据库,包括数据库备份和恢复等。 ●保证数据库数据的完整或为客户提供完整性控制手段。 2.答: 3.答: 国字型、拐角型、标题正文型、框架型、封面型、Flash型。 4.答:

5.答: 项目组长、数据库设计人员、美工、网页设计人员、程序设计人员、测试人员第2章搭建PHP服务器 一、选择题 1.C 2.B 3.A 二、填空题 1.htdocs 2.conf;httpd.conf。 3.ErrorLog 4.Listen 5.php.ini 6.extension_dir 三、操作题(略) 第3章PHP语言基础 一、选择题 1.C 2.B 3.A 4.C 二、填空题 1..php 2.string 3.continue

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