Learning PHP 5

Learning PHP 5

David Sklar

Language: English

Pages: 370

ISBN: 0596005601

Format: PDF / Kindle (mobi) / ePub


PHP has gained a following among non-technical web designers who need to add interactive aspects to their sites. Offering a gentle learning curve, PHP is an accessible yet powerful language for creating dynamic web pages. As its popularity has grown, PHP's basic feature set has become increasingly more sophisticated. Now PHP 5 boasts advanced features--such as new object-oriented capabilities and support for XML and Web Services--that will please even the most experienced web professionals while still remaining user-friendly enough for those with a lower tolerance for technical jargon.

If you've wanted to try your hand at PHP but haven't known where to start, then Learning PHP 5 is the book you need. If you've wanted to try your hand at PHP but haven't known where to start, then Learning PHP 5 is the book you need. With attention to both PHP 4 and the new PHP version 5, it provides everything from a explanation of how PHP works with your web server and web browser to the ins and outs of working with databases and HTML forms. Written by the co-author of the popular PHP Cookbook, this book is for intelligent (but not necessarily highly-technical) readers. Learning PHP 5 guides you through every aspect of the language you'll need to master for professional web programming results. This book provides a hands-on learning experience complete with exercises to make sure the lessons stick.

Learning PHP 5 covers the following topics, and more:

  • How PHP works with your web browser and web server
  • PHP language basics, including data, variables, logic and looping
  • Working with arrays and functions
  • Making web forms
  • Working with databases like MySQL
  • Remembering users with sessions
  • Parsing and generating XML
  • Debugging

Written by David Sklar, coauthor of the PHP Cookbook and an instructor in PHP, this book offers the ideal classroom learning experience whether you're in a classroom or on your own. From learning how to install PHP to designing database-backed web applications, Learning PHP 5 will guide you through every aspect of the language you'll need to master to achieve professional web programming results.

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Http://www.php.net/com). IMAP, POP3, and NNTP You can write a full-featured mail or news client in PHP. (In fact, some people already have—check out http://www.horde.org/imp/ and http://www.squirrelmail.org/). The imap extension gives your PHP programs the ability to talk with IMAP, POP3, and NNTP servers. Example 13-20 uses some of the imap extension functions to connect to the news.php.net news server and retrieve information about 10 most recent messages from the php.announce newsgroup.

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Exercise so that the table also contains rows that hold state population totals for each state represented in the list of cities. For each of the following kinds of information, state how you would store it in an array and then give sample code that creates such an array with a few elements. For example, for the first item, you might say, "An associative array whose key is the student's name and whose value is an associative array of grade and ID number," as in the following:$students =.

(($_POST['delivery'] = = 'yes') && (! strlen(trim($_POST['comments'])))) { $errors[ ] = 'Please enter your address for delivery.'; } return $errors; } function process_form( ) { // look up the full names of the sweet and the main dishes in // the $GLOBALS['sweets'] and $GLOBALS['main_dishes'] arrays $sweet = $GLOBALS['sweets'][ $_POST['sweet'] ]; $main_dish_1 = $GLOBALS['main_dishes'][ $_POST['main_dish'][0] ]; $main_dish_2 = $GLOBALS['main_dishes'][ $_POST['main_dish'][1] ]; if.

Element isn't included in the saved data. The next time that session's data is loaded into $_SESSION, there is no username element, and the user is once again anonymous. Why setcookie( ) and session_start( ) Want to Be at the Top of the Page When a web server sends a response to a web client, most of that response is the HTML document that the browser renders into a web page on your screen: the soup of tags and text that Internet Explorer or Mozilla formats into tables or changes the color.

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