Titlebook: Essential PHP Tools; Modules, Extensions, David Sklar Book 2004 David Sklar 2004 Community.Debugging.Open Source.PHP.Web Services.XML.progr

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https://doi.org/10.1007/978-3-031-34698-9. a way to track user behavior on your Web site. Once a user logs in, you can attach their name to a particular message in a forum or other uploaded content. Plus, authentication is a way to restrict access to parts of your site. Making users log in with a username and password prevents random surfers from stumbling upon sensitive data.

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https://doi.org/10.1007/978-3-319-31885-1. out of the debugger and code cache chapters that follow, you should understand what happens under the hood when a PHP program runs and generates a Web page. This chapter provides a look inside PHP and explains what happens when a PHP script executes.

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Problem Definition and Conflict Management. optimize your PHP programs with the Xdebug extension. With it, you can examine the flow of function calls in your programs and get detailed statistics about how long it takes for each function to execute. By focusing your efforts on the slowest parts of your program, you get the most out of the time spent optimizing and debugging.

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Templating with Smarty., PHP itself is a template engine. Text outside the tags is displayed unmodified, and commands inside those tags are parsed and executed. A PHP page that displays a static header, retrieves some rows from a database, formats them in an HTML table, and displays a static footer is plugging dynamic data into a static template.

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Performing Easier XML Parsing with SimpleXML. extension that uses new features of PHP 5 to provide an interface to reading and writing XML documents in which an XML document acts like a PHP object. By getting and setting properties of the object, you read and write elements of the XML document.

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Working with Authentication, Users, and Passwords. a way to track user behavior on your Web site. Once a user logs in, you can attach their name to a particular message in a forum or other uploaded content. Plus, authentication is a way to restrict access to parts of your site. Making users log in with a username and password prevents random surfers from stumbling upon sensitive data.

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Understanding PHP Internals. out of the debugger and code cache chapters that follow, you should understand what happens under the hood when a PHP program runs and generates a Web page. This chapter provides a look inside PHP and explains what happens when a PHP script executes.

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