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Articles to teach about PHP matters and related topics

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65. 8 defensive programming best practices to prevent breaking your sites

Updated on: 2015-01-18

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This article describes software development practices that have been used to prevent problems that can break Web sites.

This message also explains recent changes that were made to the site newsletter user options to reduce the site bandwidth usage to keep the hosting costs on budget.


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61. File upload progress meter for PHP 4, at last!

Updated on: 2011-11-22

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This post explains how to implement a upload progress meter for PHP sites, including those that still run PHP 4.

It also explains how to use a new plug-in of the Form Generation and Validation class to show an upload progress bar and live upload statistics using AJAX COMET requests.

The Forms Generation and Validation class is very important to the PHPClasses site since its beginning. This post tells about the story of the site and how this class motivated its creation.


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58. Responsive AJAX applications with COMET

Updated on: 2009-06-14

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This post describes an approach used to implement highly responsive AJAX applications using the COMET approach.

It describes in detail how the AJAX COMET approach can be implemented in PHP.

It also discusses how HTTP compression and chunking affect AJAX response delays, as well aspects that may influence the choice between Apache 1.3.x with mod_gzip versus Apache 2.x with mod_deflate for AJAX COMET applications.


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