Codebase
Last updated:
Validate MIME types with PHP Fileinfo
How to check the file type in PHP and secure file uploads: validate MIME types with the PHP Fileinfo extension, not by file extension.
PHP Runtime Optimization, Cross-Platform Architecture & Hardening
Welcome to the PHP infrastructure and runtime optimization hub on saotn.org. In modern enterprise environments, PHP serves as the execution engine for critical web applications and content management systems like WordPress. However, achieving maximum request throughput and absolute stability requires deep server-side configuration, efficient process allocation, and tight security controls-whether you are deploying on open-source infrastructure or integrated Windows stacks.
This section delivers practical, hands-on administration blueprints for managing PHP environments across both GNU/Linux and Windows Server hosts. From fine-tuning process managers and setting up caching engines to executing secure version upgrades, these guides provide verified solutions to eliminate performance bottlenecks and harden your application layer.
Core PHP Infrastructure & Performance Pillars
To help you architect a high-availability deployment, our technical PHP documentation is structured around key operational areas:
Linux PHP-FPM Process Tuning: Maximize your server's request capacity under heavy traffic. Learn how to audit and optimize PHP-FPM pool configurations (www.conf), balance dynamic vs. on-demand process managers, and eliminate gateway timeouts.
Windows & IIS FastCGI Architecture: Bridge the gap between the Windows ecosystem and the PHP engine. Master the nuances of high-performance FastCGI handler settings, environment path variables, and reliable process recycling.
Advanced Caching & Extensions: Slash execution latency and resource consumption. Discover how to leverage object caching bridges, fine-tune Zend OPcache configurations, and implement specialized windows extensions like WinCache to dramatically improve database delivery.
Runtime Hardening & Security (php.ini): Protect your execution environment from web-borne attack vectors. Implement strict server-side boundaries by disabling high-risk functions, isolating open base directories, and optimizing execution limits.
Browse the chronological feed below for concrete walk-throughs on PHP memory optimization, real-path cache sizing, and real-world application layer performance tuning.
Codebase
Last updated:
How to check the file type in PHP and secure file uploads: validate MIME types with the PHP Fileinfo extension, not by file extension.
Web applications
Last updated:
PHP script to make your MySQL database smaller, leaner and faster by optimizing all tables with mysqli multi_query().
WordPress
Last updated:
Load syntax highlighting JavaScript and CSS in WordPress only on posts that need it, from functions.php instead of a plugin.
Codebase
Last updated:
Check the connectivity of multiple MySQL servers, and connect to the servers in a loop. Here are two example code snippets
Codebase
Last updated:
Async PHP calls with XMLHttpRequest
Codebase
Last updated:
PHP MySQLi extension supports multiple queries which are concatenated by a semicolon. We can use this to optimize all MySQL tables in one single multi_query statement.
Web applications
Last updated:
Here is how to resolve Joomla HTTP 500 errors (0x8007000d) on IIS after applying Joomla updates, by fixing the database from the back-end.
WordPress
Last updated:
Lost or forgotten your WordPress admin password? Reset it with a MySQL query, through functions.php over FTP, or with the lost password feature.
Useful
Last updated:
Learn how to fix your PHP config instead of turning off CURLOPT_SSL_VERIFYPEER in php.ini and overcome certificate validation errors with cURL and PHP.
Codebase
Last updated:
As of PHP 5.3.2 you have to use the SQLSRV API functions to connect to an Microsoft SQL Server database from PHP. For example, use sqlsrv_connect() to create a connection resource and open a connection. Learn how to connect to a Microsoft SQL Server database using PHP 5.3+ and SQLSRV.
Web applications
Last updated:
The advantage of having your website content hosted on a Content Delivery Network (CDN) is having your content distributed and stored across the Globe. Utilizing the network of the Content Delivery Network provider.
Web applications
Last updated:
Learn how to cache and store MySQL query results in your web server's RAM, utilizing the PHP WinCache user cache.
Web applications
Last updated:
Use PHP, or a pure MySQL query on information_schema, to calculate the size of a MySQL database.
Windows Server
Last updated:
In this article you'll learn how to install and set up PHP with the Windows Cache Extension (WinCache) on windows IIS web servers. WinCache enabled PHP gives a great PHP performance boost for your WordPress-, Drupal or Joomla website. This post will show you it's not hard to set up high performance PHP hosting on IIS.
Windows Server
Last updated:
Multiple vulnerabilities in IIS 6.0 and 7.5 web servers were reported to the Full-Disclosure mailing list by Kingcope. I tested them, and here are the workarounds.
Web applications
Last updated:
HTTP blacklist for your website: block and filter unwanted web traffic with blacklists, on both IIS and Apache. Protect your website easily and learn how to create your own HTTP web blacklist filter.
Windows Server
Last updated:
When you host your PHP website on Windows Server IIS, you may receive an "No input file specified" error message, when a HTTP request is made to non-existing .php files. When this happens you probably have no Request Restrictions configured in IIS PHP handler settings. Here is how to fix the "no input file specified error" with PHP and IIS.