Beginning PHP 5.3 (Wrox Programmer to Programmer) by Matt Doyle

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By Matt Doyle

This publication is meant for somebody beginning out with Hypertext Preprocessor programming. If you’ve formerly labored in one other programming language similar to Java, C#, or Perl, you’ll most likely choose up the innovations within the prior chapters fast; notwithstanding, the ebook assumes no previous event of programming or of establishing internet applications.That stated, simply because personal home page is basically an online expertise, it is going to aid when you've got at the very least a few wisdom of different internet applied sciences, quite HTML and CSS.Many internet functions utilize a database to shop facts, and this e-book comprises 3 chapters on operating with MySQL databases. once more, if you’re already accustomed to databases regularly — and MySQL specifically — you’ll be ready to fly via those chapters. even if, no matter if you’ve by no means touched a database ahead of on your lifestyles, you may still be capable of choose up a operating wisdom through examining via those chapters.What This booklet CoversThis publication offers a wide realizing of the personal home page language and its linked applied sciences. You discover quite a lot of themes, including:installing a duplicate of the Hypertext Preprocessor engine on Ubuntu Linux, home windows, and Mac OS X; other methods you could set up or use Hypertext Preprocessor; the right way to write an easy personal home page script.basic Hypertext Preprocessor language suggestions. variables, facts kinds, operators, expressions, and to alter the move of your scripts by way of developing 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; tips on how to create strings; tips on how 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 research the variation among listed and associative arrays, and how to create arrays and entry their person components; array manipulation, together with features equivalent to print_r(), array_slice(), count(), sort(), array_merge(), and list(). you furthermore may the way to create foreach loops, in addition to tips to paintings with multidimensional arrays.functions — blocks of code so that you can use many times. You examine the right way to name integrated services, and the way to paintings with variable services. you furthermore may learn how one can create your individual features, together with defining parameters, returning values, figuring out scope, and utilizing nameless services. different function-related issues comparable to references and recursion also are explored.object-oriented programming. You examine the benefits of an object-oriented technique, and find out how to construct periods, houses, and techniques, and the way to create and use gadgets. you furthermore may discover extra complex themes equivalent to overloading, inheritance, interfaces, constructors and destructors, autoloading, and to exploit personal home page to create interactive internet varieties. You the way to create HTML types, the best way to catch shape information in personal home page, and the way to exploit Hypertext Preprocessor to generate dynamic types. you furthermore mght discover dossier add kinds and web page to maintain an application’s nation among web page perspectives. You discover 3 varied ideas: question strings, cookies, and Hypertext Preprocessor classes. comprises an instance person login system.PHP’s dossier and listing dealing with capabilities. You how one can open and shut records; how to define out additional info a couple of dossier; the best way to learn from and write to records; how you can 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 typically and MySQL particularly, and the way to paintings with MySQL databases utilizing Hypertext Preprocessor. You examine a few database and SQL idea; examine the right way to hook up with MySQL from Hypertext Preprocessor; and research easy methods to retrieve, insert, replace, and delete info in a MySQL database.PEAR, the Hypertext Preprocessor Extension and alertness Repository. It’s a wide choice of reusable code modules that may rather aid to hurry up your software improvement. You examine the best way to set up and use PEAR programs, and discover 3 precious programs: Net_UserAgent_Detect, HTML_Table, and HTML_QuickForm.ways that your Hypertext Preprocessor purposes can have interaction with the surface world. A distinctive examine date and time dealing with, together with numerous priceless integrated date capabilities, in addition to the DateTime and DateTimeZone periods. additionally find out how to paintings heavily with HTTP request and reaction headers, how you can retrieve net server details, and the way to ship electronic mail from inside your scripts.using personal home page to generate photographs at the fly. You learn a few special effects basics, then examine tips on how to create new photos, in addition to adjust present pictures. alongside how you discover colours, drawing capabilities, snapshot codecs, transparency, opacity, and producing textual content inside of images.regular expressions. those smart pattern-matching instruments allow you to look for very particular styles of textual content inside of strings; commonplace expression syntax, easy methods to use PHP’s commonplace expression capabilities to go looking for and substitute styles of textual content. plenty of examples are integrated to make the strategies clear.XML — eXtensible Markup Language — and the way to control XML from inside your personal home page scripts. You know about XML and its makes use of, and consider numerous 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 to configure Hypertext Preprocessor, and the entire configuration directives available.alternative databases to MySQL which are supported by means of PHP.using Hypertext Preprocessor to put in writing command-line scripts, additional bettering the facility and adaptability of your applications.Also, as you'll think, this publication covers the hot positive factors extra to Hypertext Preprocessor in model 5.3. notwithstanding, if you are nonetheless utilizing an older model of personal home page, do not panic – the majority of the ebook applies to all types of Hypertext Preprocessor.

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What You Need to Use This Book To work through the examples in this book you’ll find it helpful to install, or have access to, a Web server running PHP. Because PHP runs happily on most operating systems, including Windows, Linux, and Mac OS X, you should have no trouble installing a Web server with the PHP engine on your setup. Chapter 2 contains easy instructions on how to install PHP and the Apache Web server on Windows, Linux, and the Mac. You can also use a remote Web server — for example, at your Web hosting provider — to run the example scripts.

You look at strategies for writing modular code; how to design and implement coding standards for consistency; ways to document your code; how to harden your applications against attack; how to handle errors gracefully; why it’s important to separate application from presentation logic; and ways to test your application code for robustness. Appendix A contains answers to the exercises found throughout the book. Appendix B looks at how to configure PHP, and lists all the configuration directives available.

Html Web page in this folder so you can browse it via your Web browser. So where is the document root folder? That depends on your setup, as follows: If you’ve installed Apache on Ubuntu Linux, the document root folder is probably /var/www. With WampServer on Windows, the document root folder is usually in C:\wamp\www. If you installed MAMP into the /Applications folder on the Mac, the document root folder is likely to be /Applications/MAMP/htdocs. html Now press Enter. If all has gone according to plan, you should see something like Figure 2-10.

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