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# twister |
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A fast and elegant PHP micro-framework |
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Twister is a fast and light-weight micro-framework. |
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Actually, a more precise definition of this code would be; |
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`Twister is a set of fast and light-weight components around which a framework can be written` |
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At the heart of the framework, sits a very flexible, simple and elegant Inversion-of-Control (IoC) Container. |
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In fact, there are NO global variables, NO define's, NO pipeline, NO Kernel and NO App; just the Container. |
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The Container controls the entire flow of code (except routing), with a custom `execute()` function (written by you); |
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which is actually just an anonymous callback function inside the Container, called from the Front Controller (index.php); |
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even the name of that function can be changed in the config file. |
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ie. There is NO pre-programmed flow of the program or hard-coded Kernel/App. |
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Most things are handled/registered with the IoC Container, objects are pre-configured and `lazy-loaded` on request/use only! |
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Along with the Container, comes a very flexible and fast router (inside the Request class). |
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I consider this router to be THE fastest router I've tested, with the same functionality. |
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It includes the ability to filter by method (GET/POST), and optional parameters like `/user/{id}[/{name}]` |
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Another somewhat unique capability is the ability to pre-define the patterns associated with named parameters eg. `id`->`\d+` |
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So everytime you specify {id}, {date} etc. in any route, the same patterns are re-used, |
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or you can specify custom patterns with {id:[0-9]+} or {id:uuid} where 'uuid'=>'[A-F0-9-]+' etc. |
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Two design choices make the router fast: |
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1) Everything is configured/loaded from a `config` array (which is usually cached by APC/Xcode/PHP7) |
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2) The router splits the request uri by '/', doing an `isset` array lookup for the first path segment |
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3) The router only takes further action after the first segment (eg. /admin/, /login etc.) is resolved |
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Although Twister is a fully functional and useable framework (based on my personal framework), |
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it's more a proof-of-concept for me to demonstrate my capabilities and design decisions. |
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Benchmarks: |
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All tests were done with a skeleton `hello world` application on the same PC. |
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Laravel and Symfony were NOT configured to establish a database connection, while Twister WAS! |
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With a database connection, Symfony dropped to 9~12 requests per second, and Laravel 12~16 rps, |
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Twister was running about 50x~100x faster than Symfony and Laravel |
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ab -t 30 http://laravel/ |
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Complete requests: 198 |
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Requests per second: 6.59 [#/sec] (mean) |
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Time per request: 151.765 [ms] (mean) |
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memory_get_usage(): 6,621,416 |
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memory_get_usage(true): 2,097,152 |
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memory_get_peak_usage(): 6,691,272 |
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memory_get_peak_usage(true): 2,097,152 |
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ab -t 30 http://symfony/ |
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Complete requests: 95 |
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Requests per second: 3.15 [#/sec] (mean) |
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Time per request: 317.717 [ms] (mean) |
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memory_get_usage(): 10,887,352 |
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memory_get_usage(true): 4,194,304 |
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memory_get_peak_usage(): 11,168,984 |
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memory_get_peak_usage(true): 4,194,304 |
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ab -t 30 http://twister/ |
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Complete requests: 911 |
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Requests per second: 30.35 [#/sec] (mean) |
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Time per request: 32.952 [ms] (mean) |
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memory_get_usage(): 858,848 |
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memory_get_usage(true): 2,097,152 |
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memory_get_peak_usage(): 1,049,528 |
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memory_get_peak_usage(true): 2,097,152 |
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