PHP相关外文翻译

php近三年参考文献在过去的三年里，PHP作为一种流行的服务器端脚本语言，有许多相关的参考文献涉及到了不同方面的内容。

以下是一些可能对你有帮助的参考文献：1. "PHP 7 Programming Blueprints" by Jose Palala and Martin Helmich 这本书介绍了PHP 7的新特性和最佳实践，涵盖了Web开发、数据库集成、安全性等方面。

2. "Modern PHP: New Features and Good Practices" by Josh Lockhart 这本书详细介绍了PHP的现代开发技术，包括命名空间、自动加载、测试等方面。

3. "PHP Objects, Patterns, and Practice" by Matt Zandstra 这本书讲解了PHP面向对象编程的原理和实践，包括设计模式、SOLID原则等内容。

4. "PHP Web Services: APIs for the Modern Web" by Lorna Jane Mitchell 这本书介绍了如何使用PHP构建和消费Web服务，包括RESTful API、SOAP等方面。

5. "PHP and MySQL Web Development" by Luke Welling and Laura Thomson 这本经典的书籍涵盖了PHP和MySQL的基础知识以及如何构建动态Web应用程序。

6. "PHP Solutions: Dynamic Web Design Made Easy" by David Powers 这本书提供了许多实际的示例和解决方案，帮助读者理解和解决PHP开发中的常见问题。

7. "PHP Cookbook" by David Sklar and Adam Trachtenberg 这本书是一个实用的PHP编程指南，提供了大量的代码示例和解决方案，涵盖了各种PHP应用场景。

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php毕业设计外文翻译--通过PHP访问MySQLGetting PHP to Talk to MySQLOnce you are familiar with using MySQL client tools to manipulate data in the database。

you can start using PHP to display and modify data from the database。

PHP has standard ns for working with databases。

In this article。

we will discuss PHP's built-in database ns and how to use the PHP n and n Repository (PEAR) database.PHP'XXXPHP has several built-in XXX are easy to use and allow you to connect to a database。

execute queries。

and retrieve data。

Some of the most commonly used XXX:mysqli_connect() - This n is used to connect to a MySQL database.mysqli_query() - This n is used to execute a query on the database.mysqli_fetch_array() - This n is used to retrieve data from a query result.Using PEAR DatabasePEAR is a repository of PHP ns and ns。

It includes a database package that provides a set of classes for working with databases。

php是什么意思
PHP是超文本预处理器的英文字母的缩写形式（Hypertext Preprocessor），是一种被广泛应用的开放源代码的多用途脚本语言，它可嵌入到HTML中，尤其适合web开发。

作为全球最美、入门最快、应用最广泛的开发语言，PHP 主要用于web前端开发领域，是服务器端知行的嵌入式HTML 文档的脚本语言。

其独特的语法混合了C、Java、Perl以及PHP 自创的一些语法，能快速的执行动态网页。

用大白话来讲，就是说PHP是一种开发语言，属于IT编程技术中的一门语言，就像是我们学的英语。

但是这种语言是人与计算机进行交流的工具，通过这种语言可以告诉计算机我们应该如何去做来实现某种功能或者目的。

毕业设计（论文）外文参考资料及译文译文题目:PHP Development HistoryPHP development history—from《Programming PHP》By: ERIC Within the last few years, PHP has grown to be the most widespread web platform in the world, operational in more than a third of the web servers across the globe. PHP's growth is not only quantitative but also qualitative. More and more companies, including Fortune companies, rely on PHP to run their business-critical applications, which creates new jobs and increases the demand for PHP developers. Version 5, due to be released in the very near future, holds an even greater promise.While the complexity of starting off with PHP remains unchanged and very low, the features offered by PHP today enable developers to reach far beyond simple HTML applications. The revised object model allows for large-scale projects to be written efficiently, using standard object-oriented methodologies. New XML support makes PHP the best language available for processing XML and, coupled with new SOAP support, an ideal platform for creating and using Web Services.Many years ago, when Rasmus Lerdorf first started developing PHP/FI. He could not have imagined that his creation would eventually lead to the development of PHP as we know it today, which is being used by millions of people. The first version of “PHP/FI,” called Personal Homepage Tools/Form Interpreter, was a collection of Perl scripts in 1995.One of the basic features was a Perl-like language for handling form submissions, but it lacked many common useful language features, such as for loops.A rewrite came with PHP/FI 2 in 1997, but at that time the development was almost solely handled by Rasmus. After its release in November of that year, Andi Gutmans and Zeev Suraski bumped into PHP/FI while looking for a language to develop an e-commerce solution as a university project.They discovered that PHP/FI was not quite as powerful as it seemed, and its language was lacking many common features. One of the most interesting aspects included the way while loops were implemented. The hand-crafted lexical scanner would go through the script and when it hit the while keyword it would remember itsposition in the file. At the end of the loop, the sought back to the saved position, and the whole loop was reread and re-executed.Zeev and Andi decided to completely rewrite the scripting language. They then teamed up with Rasmus to release PHP 3, and along also came a new name: PHP:Hypertext Preprocessor, to emphasize that PHP was a different product and not only suitable for personal use. Zeev and Andi had also designed and implemented a new extension API. This new API made it possible to easily support additional extensions for performing tasks such as accessing databases, spell checkers and other technologies, which attracted many developers who were not part of the ”core” group to join and contribute to the PHP project. At the time of PHP 3’s release in June 1998, the estimated PHP installed base consisted of about 50,000 domains. PHP 3 sparked the beginning of PHP’s real breakthrough, and was the first version to have an installed base of more than one million domainsIn late 1998, Zeev and Andi looked back at their work in PHP 3 and felt they could have written the scripting language even better, so they started yet another rewrite. While PHP 3 still continuously parsed the scripts while executing them, PHP 4 came with a new paradigm of “compile first, execute later.” The compilation step does not compile PHP scripts into machine code; it instead compiles them into byte code, which is then executed by the Zend Engine(Zend stands for Zeev & Andi), the new heart of PHP 4. Because of this new way of executing scripts, the performance of PHP 4 was much better than that of PHP 3, with only a small amount of backward compatibility breakage.Among other improvements was an improved extension API for better run-time performance, a web server abstraction layer allowing PHP 4 to run on most popular web servers, and lots more. PHP 4 was officially released on May 22, 2002,and today its installed base has surpassed 15 million domains.In PHP 3, the minor version number (the middle digit) was never used, and all versions were numbered as 3.0.x. This changed in PHP 4, and the minor version number was used to denote important changes in the language. The first important change came in PHP 4.1.0,which introduced superglobals ,such as $_GET and $_POST. Superglobals can be accessed from within functions without having to usethe global keyword. This feature was added in order to allow the register_globals INI option to be turned off. register_globals is a feature in PHP which automatically converts input variables like "?foo=bar" in to a PHP variable called $foo. Because many people do not check input variables properly, many applications had security holes, which made it quite easy to circumvent security and authentication code. With the new superglobals in place, on April 22, 2002, PHP 4.2.0 was released with the register_globals turned off by default. PHP 4.3.0, the last significant PHP 4 version, was released on December 27, 2002. This version introduced the Command Line Interface(CLI), a revamped network I/O layer (called streams), and a bundled GD library. Although most of those additions have no real effect on end users, the major version was bumped due to the major changes in PHP’s core.Soon after, the demand for more common object-oriented features increased immensely, and Andi came up with the idea of rewriting the objected-oriented part of the Zend Engine. Zeev and Andi wrote the “Zend Engine II: Feature Overview and Design” document and jumpstarted heated discussions about PHP’s future. Although the basic language has stayed the same, many features were added, dropped, and changed by the time PHP 5 matured. For example, namespaces and multiple inheritance, which were mentioned in the original document, never made it into PHP 5. Multiple inheritance was dropped in favor of interfaces, and namespaces were dropped completely. You can find a full list of new features in Chapter, “What Is New in PHP 5?”PHP 5 is expected to maintain and even increase PHP’s leadership in the web development market. Not only does it revolutionizes PHP’s object-oriented support but it also contains many new features which make it the ultimate web development platform. The rewritten XML functionality in PHP 5 puts it on par with other web technologies in some areas and overtakes them in others, especially due to the new SimpleXML extension which makes it ridiculously easy to manipulate XML documents. In addition, the new SOAP, MySQLi, and variety of other extensions are significant milestones in PHP’s support for additional technologies.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 corelibraries 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 <?php and ?>, which are open and close delimiters respectively. <script language="php"> and </script> delimiters are also available. Short tags can be used to start PHP code, <? or <?= (which is used to echo back a string or variable) and the tag to end 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.PHP发展史—摘自《PHP程序设计》作者：艾瑞克在最近的几年里，PHP已经发展成为世界上最为流行的Web平台，它运行在全球超过三分之一的Web服务器。

PHP基础语言外文翻译文献(文档含中英文对照即英文原文和中文翻译)原文：PHP Language BasicsActive Server Pages (PHP) is a proven, well-established technology for building dynamic Web applications, which provides the power and flexibility you need to create anything from a personal, Web based photo gallery to a complete catalogue and shopping cart system for your next eCommerce project。

One unique feature of PHP is that it lets you chooseyour favourite scripting language, be it JavaScript or PHP ; however, PHP is by far the most popular choice. In this article, I'll bring you up to speed on the basic syntax of the PHP language, including variables, operators, and control structures.This article is the second in a series teaching PHP. Specifically, the goal of this series is to teach you all you need to know to create dynamic Web sites using PHP. This article picks up right where the previous article in the series, Getting Started with PHP, left off.VariablesHere is the listing for the first PHP script I helped you create in the previous article:1 <html>2 <head>3 <title> My First PHP Page </title>4 </head>5 <body>6 <?php7 ' Write out a simple HTML paragraph8 Echo "<p>This is a test of PHP.</p>"9 ?>10 </body>11 </html>As I admitted in that article, this is a pretty uninteresting example of an PHP script. When it comes right down to it, this script doesn't do anything a plain, old HTML page couldn't do. Oh sure, I gave a slightly more interesting example that displayed the current server time, but to be really useful a script needs to perform some form of calculation, or manipulate dynamic information to present it in some interesting way.The language used for writing most PHP programs, and which I'll be using throughout this series, is called PHP . Like most programming languages, PHP lets you store data in variables. A variable may be thought of simply as a named location in memory where data may be stored. PHP is what is known as a loosely typed language, which means that a particular variable may store any kind of information, be it a number, a piece of text, a date, or some more complicated chunk of data (as opposed to strictly typed languages where you can only store one kind of information in each variable). Before you can use a variable, though, you must declare it; that is, you must let PHP know that you want to create a variable with a particular name.Let's look at a basic example to help solidify these concepts in your mind. Say you were writing a Web page that performed conversions between Celsius and Fahrenheit temperatures. In countries where Celsius is used, 20&deg;C is commonly accepted as the value for room temperature. The following code creates a variable called intRoomTempC,and then assigns it a value of 20:New Revised 2nd Edition Out NOW!"Build Your Own Database Driven Website Using PHP & MySQL"Fully updated for PHP 4.3.Installation instructions for Mac OS XFull index providedNew wider book sizeEnhanced fontsNew cover designLay-flat spineAll content revisitedDownload the First 4 Chapters FREETell me more about this top-selling book.$ intRoomTempC ' Create a variableintRoomTempC = 20 ' Assign the variable a value of 20The keyword $ in the above is short for $ension, and is used to tell PHP to create a variable with the name specified (in this case, intRoomTempC). Why '$ension', you ask? I agree, it's not the most obvious choice, but basically it refers to what you're asking PHP to do. When creating a variable, PHP needs to assign some space in memory to store whatever value(s) will be placed in the variable, and part of thattask is to figure out the size ($ension) of the space that needs to be allocated. In any case, creating a variable is as simple as typing $ followed by the name of the variable.The second line of the above example assigns a value to the variable that was just created; specifically, it stores the number 20 in the variable. The equals sign (=) is called the assignment operator because it is used to assign values to variables. During the course of this article, you'll meet many other operators that do other weird and wonderful things to variables and the values they store.You should always create a variable before assigning it a value, and you'll usually want to assign the variable a value before putting it to use. Trying to assign a value to a variable that does not exist, however, will cause PHP to automatically create a new variable with the given name. This is called implicit declaration, because a new variable is declared implicitly as a result of your trying to assign a value to a variable that doesn't exist. Since you are free to use implicit declaration for all of your variables, you may be wondering what the point is of using the $ command to create each and every variable by hand.The answer has to do with how easy you want it to be to find typing mistakes in your code. PHP provides another command, Option Explicit, which causes PHP to disallow implicit declarations and instead display an error message whenever you try to assign a value to a non-existentvariable. Why would you want this to happen? Consider the following example:$ intRoomTempC ' Create a variableintRomTempC = 20 ' Assign the variable a value of 20If you have a keen eye, you may have noticed that the variable name is misspelled on the second line. This is the kind of mistake that even experienced programmers make all the time. With implicit declaration enabled, the second line will create another new variable called intRomTempC and will store the value in that variable instead. Now, if the rest of your script expects that value to be stored in intRoomTempC, you're going to run into trouble. In a large script, tracing such a problem back to one little typing mistake can be very time consuming. That's where Option Explicit comes in:Option Explicit ' Disable implicit declaration$ intRoomTempC ' Create a variableintRomTempC = 20 ' Assign the variable a value of 20This time, PHP will report the typing mistake as an illegal implicit declaration, displaying an error message to that effect with the exact line number where the typing mistake was made. For this reason, I tend to explicitly declare all my variables with $ and specify Option Explicit on the first line of all of my PHP scripts. It might take slightly longer to type,but it saves a lot of headaches when something goes wrong.A shortcut exists for creating several variables at once on the same line. For instance, the following line would create two variables, intRoomTempC, and intFreezingC:$ intRoomTempC, intFreezingC ' Two variables in one lineBy now you may be wondering about my naming convention for variables. The two variables created in the above snippet both begin with int. I'm using this prefix to indicate that these variables will contain integers (whole numbers). You can feel free to name your variables whatever you like and store whatever kind of data you like in them, but I prefer to use this convention as a helpful reminder of the type of information in each variable. This practice of prefixing variable names with a clue as to their type is known as Hungarian notation, and I'll introduce additional prefixes for other data types as they arise over the course of this series.The Web has grown beyond the point where an online brochure will satisfy a typical company's needs for its Web presence. If you aim to market yourself as a Webmaster these days, you need to have some skill building online applications –Web sites that users can interact with, whether to get something done (e.g. send email), get information targeted to their specific needs (e.g. a real-time stock quote), or to interact with other users (e.g. an online community).In this series of articles, I’ll guide you through the process of learning one of the most popular frameworks for creating dynamic Web sites such as these –Active Server Pages (PHP). If you can secure a strong knowledge of PHP, as well as some practical experience building Web sites with it, you should never have trouble getting work as a Web developer. A quick search of your favourite online job directory with the keyword 'PHP' should be more than enough to convince you of that.In this first article, I'll help you get your feet wet by introducing the PHP programming language, and how to use it to write dynamic Web pages with PHP. Before I get to that, I shall stop to explain how server-side scripting, and PHP in particular, differs from other Web scripting technologies that you may be familiar with, such as client-side JavaScript. This will get you armed with the proper vocabulary and ensure that we're on the same page before launching headlong into the brave, new world of PHP.Server-Side ScriptingTo understand where PHP fits into the big picture of Web development, you need to understand the concept of a server-side scripting language. If you've programmed Web pages in Perl, PHP, JSP, or Cold Fusion before, you can safely skip this section –all of those are server-side scripting languages, and PHP works in much the same way. If you're coming to PHP armed only with knowledge of HTML (andperhaps with some CSS and/or JavaScript experience) then you'll find that server-side scripting is quite a bit different.Let me begin by giving you a quick review of how standard, non-PHP Web pages work. As shown in Figure 1, the Web browser on the client computer (the computer belonging to the user) makes a request for a page, say file.html (1). Assuming the requested file exists on the Web host computer where the Web Server software can find it, that software replies to the request by sending the file back to the browser (2). Any additional files (images, for example) required to display the page are requested and received in the same way. The protocol used for this exchange, and indeed for all communication between Web browsers and Web servers is called Hypertext Transfer Protocol (HTTP).If you've ever used any JavaScript in your pages, you know that the requested Web page (file.html) can contain, in addition to plain HTML code, small programs written in JavaScript. These programs, or scripts, are read and executed by the Web browser while the page is displayed in the browser. So the Web browser must understand not only how to read HTML and display textand images, but it must also be able to run JavaScript programs appearing inside Web pages. This arrangement, where the Web browser runs the script after receiving it from the Web server, is called client-side scripting. The name makes sense –all of the script runs on the client-side –theright-hand side of Figure 1. The Web server is completely oblivious to whether the file it is sending contains a script or not; it’s all up to the browser (the client) to handle execution of the script.PHP fits into a different category of technologies, called server-side scripting, where it is no longer the browser running on the client that is responsible for running the script; instead, it is the Web server that runs the script. This process is illustrated in Figure 2. As before, the Web browser requests a file (1). In this case, however, the filename ends with .php (file.php, for example), branding it as a file containing an PHP script that needs to be processed by the server. The server recognizes this, and instead of directly sending the requested file back to the browser, it sends the file to the PHP scripting engine (2). The engine is a component of the Web server software that can interpret PHP scripts and output the results as HTML. The trick here is that any given script can output different HTML each time it is run, so what comes out of the PHP engine can be different for each client (browser) request. That dynamically generated page is then sent to the browser in response to its request (3), in exactly the same way as the static page was sent in the previous example. Just as when the page contained client-side JavaScript and the server was completely unaware of this fact, when the page contains server-side PHP script, the browser does not know this at all. The PHP code contained in the page is interpreted and converted to plain HTML by the PHP enginebefore the browser gets to see it; so as far as the browser is concerned an PHP page looks just like any normal Web page. All the work is done on the server-side; thus the name, server-side scripting.翻译：PHP基础语言PHP是构建动态网页应用的被实践证明了的技术，为你需要创建任何的东西从一个基于图片库个人网页到一个完整的目录，为你的下一个商业项目提供全面的系统提供了强大的功能和灵活性。

php 英文单词补全English answer：PHP (Hypertext Preprocessor) is a widely-used open-source general-purpose scripting language that isespecially suited for web development. It was originally created by Rasmus Lerdorf in 1994, and has since become one of the most popular programming languages in the world. PHP is a server-side scripting language, which means that it is executed on the server before the page is sent to the client. This makes it ideal for creating dynamic web pages that can interact with databases and other resources on the server.PHP is a very versatile language that can be used for a wide variety of tasks, including:Web development.Content management systems.E-commerce.Social networking.Data analysis.Machine learning.PHP is a very popular language for web development because it is easy to learn, has a large community of users, and is supported by a wide range of frameworks and tools. Some of the most popular PHP frameworks include:Laravel.CodeIgniter.Symfony.Zend Framework.PHP is also a very versatile language that can be used for a wide variety of tasks beyond web development. For example, it can be used for data analysis, machine learning, and even game development.Here are some of the advantages of using PHP:Easy to learn: PHP is a very easy language to learn, even for beginners. It has a simple syntax and a large community of users who can provide support.Versatile: PHP can be used for a wide variety of tasks, including web development, data analysis, machine learning, and even game development.Open source: PHP is an open-source language, which means that it is free to use and distribute.Community support: PHP has a large community of users who can provide support and resources.Here are some of the disadvantages of using PHP:Security: PHP can be vulnerable to security attacks,so it is important to use it carefully and follow best practices.Performance: PHP can be slower than some other languages, so it is important to optimize your code.Lack of type safety: PHP is not a type-safe language, which can lead to errors and bugs.Overall, PHP is a very versatile and powerful language that is ideal for web development and a wide range of other tasks. It is easy to learn, has a large community of users, and is supported by a wide range of frameworks and tools.中文回答：PHP（超文本预处理器）是一种广泛使用的开源通用脚本语言，特别适用于 Web 开发。

单词总汇：Linux部分：Forbidden 被禁止的；严禁的，禁用的Mkdir 建立一个新的子目录Rmdir 删除一个目录Copy 复制Touch 接触；触动；Unlink 删除一个文件More 更多；此外查看Find 发现；认为查找Type 类型User 用户Group 群的；团体的Size 大小；尺寸Tar 打包Vi 编译器HTML部分head:头title:标题body:身体，引申为页面主体background:背景width:宽height:高color:颜色font:字体align:对齐方式image:图像超级链接和列表border:边框，边界top:顶部middle:中间，一般用于垂直居中center:中央，一般用于水平居中bottom:底部left:左right:右link:链接scrolldelay:scroll delay 滚动延迟direction:方向decoration:装饰、装潢，text-decoration表示为超链接的下划线样式table:桌子，计算机英语中引申为表格caption:标题row:行column:列rowspan:row span 行跨度colspan:column span 列跨度align:使成一线，引申为水平对齐方式valign:verticalalign 垂直对齐方式cellspacing:cellspace 单元格间距cellpadding:cellpadding 单元格内部填充表单form:组成、结构、形式，引申为表单action:行动，引申为表单提交的动作method:方法target:目标post:邮局、邮寄，HTML中指表单提交的方式get:HTML中指表单提交的方式blank:空白的HTML中表示新浏览器窗口input:输入HTML中表示一个表单的输入域type:类型button:按钮checkbox:检验盒，引申为复选框radio:收音机、无线电设备，引申为单选按钮hidden:隐藏password:密码text:文本，正文，引申为单行文本框submit:提交reset:重置select:选择，引申为下拉列表option:选项，引申为下拉列表中的某一项textarea:文本域，不同于text，文本框是多行的文本框checked:被确认的selected:被选中的disabled:被禁用的value:值size:大小，尺码，引申为表单域的宽度label:标签readonly:read only 只读maxlength:max length 最大长度multiple:多个的multipart/form-data:表单的一种编码方式frameset:框架支架，引申为框架集页面，作用是将浏览器窗口分为若干个框架frame:框架frameborder:框架的边框粗细bordercolor:边框的颜色noresize:不允许调整大小scrolling:滚动HTML中表示框架中是否出现滚动条DIV+CSS部分1.(盒子)布局排版类float - 浮动：设置块元素的浮动效果。

“logo XX学院XX UNIVERSITY毕业论文（设计）外文翻译翻译题目：通过PHP访问MySQL _英文题目：Getting PHP to Talk to MySQL姓名__________________学号__________________专业班级__________________指导教师__________________提交日期__________________教务处制通过PHP访问MySQL译文：现在你已经可以熟练地使用MySQL客户端软件来操作数据库里的数据，我们也可以开始学习如何使用PHP来显示和修改数据库里的数据了。

PHP有标准的函数用来操作数据库。

我们首先学习PHP内建的数据库函数，然后会学习PHP扩展和应用程序库（PEAR，PHP Extension and Application Repository ）中的数据库函数，我们可以使用这些函数操作所有支持的数据库。

这种灵活性源自于抽象。

对于编程接口而言，抽象简化了复杂的交互过程。

它将交互过程中无关紧要的部分屏蔽起来，让你关注于重要的部分。

PEAR的DB类就是这样一种数据库接口的抽象。

你登录一个数据库所需要提供的信息被减少到最少。

这种标准的格式可以通过同一个函数来访问MySQL以及其他的数据库。

同样，一些MySQL特定的函数被更一般的、可以用在很多数据库上的函数所替代。

比如，MySQL特定的连接函数是： mysql_connect($db_host, $db_username, $db_password);而PEAR的DB提供的连接函数是：$connection =DB::connect("mysql://$db_username:$db_password@$db_host/$db_database" );两个命令都提供了同样的基本信息，但是PEAR的函数中还指定了要连接的数据库的类型。

你可以连接到MySQL或者其他支持的数据库。