Turck MMCache is a free open source PHP Accelerator, Optimizer, Encoder and dynamic content cache for PHP. It increases performance of PHP scripts by caching them in compiled state, so that the overhead of compiling is almost completely eliminated. Also it uses some optimizations for speed up execution of PHP scripts. Turck MMCache typically reduces server load and increases the speed of your PHP code by 1-10 times. It is tested witn PHP 4.1.0-4.3.3 under Linux and Windows with Apache 1,3, Apache 2.0 and IIS 5. Since the version 2.3.10, Turck MMCache contains PHP encoder and loader. You can encode any PHP scripts in order to distribute them without sources. Encoded files can be run on any site which runs PHP with Turck MMCache 2.3.10 or above. Since version 2.3.15, Turck MMCache is compatible with Zend Optimizer's loader.
Morecache allows you to easily cache parts or all of your script's output. This is useful if you have slow database queries on data that is viewed more often than it is changed. Morecache works by using output buffering to capture the output when it is first generated, and storing it in files from which it is retrieved afterwards. This can result in a huge speed increase.
The PHP Accelerator provides a high performance caching/optimising solution capable of accelerating PHP scripts by typically 2 to 4 times, although over 9 times has been reported on some large sites, and rivals the best alternatives. In addition PHPA can be very effective at reducing load average and reducing file I/O because cached scripts executed from a specially designed shared memory cache. A simple code optimiser is also built in, gaining some extra performance and reducing code size. The new release is free of activation keys.
Formerly known as Bware_cache is a tool to speed up web applications written in PHP. It works by caching inside the web server compiled PHP code (just before it's executed) so that the next time the same script is called it is simply restored, already compiled, from the cache with big savings in terms of execution time. 0.14 update:/b this version is faster and supports PHP 4.0.x and 4.1.x.
PHP Code Sweeper is a PHP script optimizer that includes such features as: cleans white space, removes comments, adds certain unreadability to your code, and accelerates your script execution.
The Zend Accelerator is a server-side caching program designed to speed up PHP based Web sites dramatically. The Zend Accelerator was engineered to handle the scripts that dynamic Web sites depend on. Integrated with the Zend Engine, the ‘kernel' of PHP 4.0, the Accelerator applies a variety of optimizations and advanced caching techniques to dramatically improve the performance of PHP-based dynamic Web sites. The Zend Accelerator typically increases the number of requests that can be handled per second by a factor of 3. It also trims latency to near zero. The Zend Accelerator incorporates a built in performance monitor that enables system administrators to measure the speedup experienced by actual site visitors in real-time.
This script uses PHP4's output buffering to allow you to only cache certain parts of your page. Very useful if you want some items updated more often than others.
Toncarta Cache is an output caching system for php scripts. It cuts the load on your server(s) by caching the output of your scripts. Features: Can set a maximum age for cached data, Exclusions can be set on a per file basis, 3 different storage types: database, file and shared memory. (Only db and file currently implemented), and Data can be compressed if disk space is an issue. On a moderately complex php script (doing ~50 simple sql queries) it increased throughput by approximately 3 times. On more complicated scripts this figure can be expected to rise.