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Understanding PHP Request Handling in an Apache Web Server Environment

This article explains how an Apache web server processes requests for PHP scripts, with a focus on the interaction between the PHP interpreter, MySQL database, and the client's browser. We discuss the flow of a request: from a PHP code request in links.php to execution, generating HTML output, and handling SQL queries. We highlight the roles of each component and how they collaborate to deliver dynamic web content.

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Understanding PHP Request Handling in an Apache Web Server Environment

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Presentation Transcript

  1. webserver/apache • brown-snout.com • receives request for links.php • php code is sent to php interpreter • returns html back when php is completed • php interpreter • handles: • <?php • … php code … • ?> • sends embedded SQL queries to mysql • mysql database • handles SQL requests http request • browser/client • requests links.php • executes javascript locally

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