By Matt Doyle
This booklet is meant for a person beginning out with Hypertext Preprocessor programming. If you’ve formerly labored in one other programming language reminiscent of Java, C#, or Perl, you’ll most likely choose up the techniques within the past chapters quick; even if, the publication assumes no past adventure of programming or of creating internet applications.That stated, simply because Hypertext Preprocessor is basically an internet know-how, it is going to support when you've got at the very least a few wisdom of different net applied sciences, fairly HTML and CSS.Many net purposes utilize a database to shop information, and this publication includes 3 chapters on operating with MySQL databases. once more, if you’re already conversant in databases more often than not — and MySQL particularly — you’ll have the ability to fly via those chapters. despite the fact that, no matter if you’ve by no means touched a database earlier than on your existence, you may still have the ability to decide up a operating wisdom by way of examining via those chapters.What This booklet CoversThis publication provides a huge knowing of the personal home page language and its linked applied sciences. You discover a variety of subject matters, including:installing a duplicate of the personal home page engine on Ubuntu Linux, home windows, and Mac OS X; other methods you could set up or use Hypertext Preprocessor; how you can write an easy personal home page script.basic Hypertext Preprocessor language innovations. variables, facts forms, operators, expressions, and constants.how to alter the move of your scripts through growing judgements and loops. if, else, and turn statements; the ternary operator; and the do, whereas, for, holiday, and proceed statements. find out how to nest loops, and the way to combine judgements and looping with blocks of HTML.PHP’s dealing with of strings, or sequences of characters; the way to create strings; tips to retrieve characters from a string; and the way to control strings with capabilities resembling strlen(), substr(), strstr(), strpos(), str_replace(), and printf(), to call yet a few.arrays — variables that could carry a number of values. You examine the adaptation among listed and associative arrays, and tips on how to create arrays and entry their person parts; array manipulation, together with capabilities reminiscent of print_r(), array_slice(), count(), sort(), array_merge(), and list(). you furthermore mght the best way to create foreach loops, in addition to the way to paintings with multidimensional arrays.functions — blocks of code for you to use many times. You examine the best way to name integrated features, and the way to paintings with variable capabilities. you furthermore may learn how one can create your individual services, together with defining parameters, returning values, realizing scope, and utilizing nameless capabilities. different function-related subject matters similar to references and recursion also are explored.object-oriented programming. You examine some great benefits of an object-oriented technique, and tips on how to construct periods, houses, and strategies, and the way to create and use items. you furthermore may discover extra complex issues akin to overloading, inheritance, interfaces, constructors and destructors, autoloading, and namespaces.how to exploit Hypertext Preprocessor to create interactive internet types. You how to create HTML kinds, easy methods to catch shape facts in personal home page, and the way to exploit personal home page to generate dynamic kinds. you furthermore mght discover dossier add types and web page redirection.how to maintain an application’s nation among web page perspectives. You discover 3 assorted ideas: question strings, cookies, and Hypertext Preprocessor classes. contains an instance person login system.PHP’s dossier and listing dealing with capabilities. You methods to open and shut records; how to define out additional information a couple of dossier; tips on how to learn from and write to records; tips to paintings with dossier permissions; how one can reproduction, rename, and delete records; and the way to control directories. Simple textual content editor as an example.databases generally and MySQL specifically, and the way to paintings with MySQL databases utilizing Hypertext Preprocessor. You examine a few database and SQL concept; examine how you can hook up with MySQL from personal home page; and research how one can retrieve, insert, replace, and delete info in a MySQL database.PEAR, the personal home page Extension and alertness Repository. It’s a wide choice of reusable code modules that could fairly support to hurry up your software improvement. You examine the best way to set up and use PEAR applications, and discover 3 valuable programs: Net_UserAgent_Detect, HTML_Table, and HTML_QuickForm.ways that your personal home page purposes can have interaction with the surface world. A special examine date and time dealing with, together with a variety of worthwhile integrated date capabilities, in addition to the DateTime and DateTimeZone periods. additionally the best way to paintings heavily with HTTP request and reaction headers, tips on how to retrieve internet server details, and the way to ship e mail from inside of your scripts.using Hypertext Preprocessor to generate images at the fly. You research a few special effects basics, then examine easy methods to create new photographs, in addition to alter present pictures. alongside how you discover colours, drawing features, picture codecs, transparency, opacity, and producing textual content inside images.regular expressions. those shrewdpermanent pattern-matching instruments allow you to look for very particular styles of textual content inside strings; typical expression syntax, tips to use PHP’s usual expression features to go looking for and exchange styles of textual content. plenty of examples are integrated to make the recommendations clear.XML — eXtensible Markup Language — and the way to govern XML from inside of your personal home page scripts. You find out about XML and its makes use of, and view a variety of how you can learn and write XML with personal home page, together with XML Parser, the XML DOM extension, and SimpleXML. you furthermore may take a short examine XML stylesheets, together with XSL and XSLT.how to configure personal home page, and the entire configuration directives available.alternative databases to MySQL which are supported through PHP.using Hypertext Preprocessor to jot down command-line scripts, extra improving the ability and suppleness of your applications.Also, as you would think, this e-book covers the hot good points further to Hypertext Preprocessor in model 5.3. even though, if you are nonetheless utilizing an older model of Hypertext Preprocessor, do not panic – nearly all of the e-book applies to all types of Hypertext Preprocessor.
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Additional info for Beginning PHP 5.3 (Wrox Programmer to Programmer)
PHP is a programming language for building dynamic, interactive Web sites. As a general rule, PHP programs run on a Web server, and serve Web pages to visitors on request. One of the key features of PHP is that you can embed PHP code within HTML Web pages, making it very easy for you to create dynamic content quickly. What exactly does the phrase “dynamic, interactive Web sites” mean? A dynamic Web page is a page whose contents can change automatically each time the page is viewed. Contrast this with a static Web page, such as a simple HTML file, which looks the same each time it’s displayed (at least until the page is next edited).
PHP is his current language of choice when building dynamic Web sites. In 2002, deciding he’d had enough of the freezing English weather, he retreated to the sunny shores of Sydney’s Northern Beaches in Australia with his wife, Cat. They now live in the New South Wales Southern Highlands (which, ironically, has rather English weather) with their son, Isaac. Credits Executive Editor Carol Long Development Editor Ed Connor Technical Editor Ben Schupak Production Editor Rebecca Anderson Copy Editor Kim Cofer Editorial Manager Mary Beth Wakefield Production Manager Tim Tate Vice President and Executive Group Publisher Richard Swadley Vice President and Executive Publisher Barry Pruett Associate Publisher Jim Minatel Project Coordinator, Cover Lynsey Stanford Proofreader Nate Pritts, Word One Indexer J & J Indexing Cover Image � Purestock/Punchstock Acknowledgments This book would not have been possible without the help and support of my wife Cat and my ELATED partner-in-crime Simon.
Testing Your Installation Now that you’ve installed Apache, PHP, and MySQL on your computer, you’re ready to test the installation to make sure everything’s working OK. ). Testing the Web Server The first thing to do is to create a simple HTML Web page for testing. html and save it in your Web server’s document root folder on your hard drive. What’s the document root folder, you ask? When you install Apache, it comes with a default Web site. This Web site has a document root folder, which is the top-level folder into which you put the Web site’s files.