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authorAndrey Andreev <narf@devilix.net>2018-06-12 15:45:46 +0200
committerAndrey Andreev <narf@devilix.net>2018-06-12 15:45:46 +0200
commit30e2eafa86c4c7b6b39cea3e7089a90df9f603fb (patch)
tree391bc1e62d8d0ad045e18a6da72e3e2a59e91503 /user_guide_src/source/overview/appflow.rst
parenta9da3dd2f16a8f97d7bc4ff5572b28e4bb84c813 (diff)
[ci skip] 3.1.9 release
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-######################
-Application Flow Chart
-######################
-
-The following graphic illustrates how data flows throughout the system:
-
-|CodeIgniter application flow|
-
-#. The index.php serves as the front controller, initializing the base
- resources needed to run CodeIgniter.
-#. The Router examines the HTTP request to determine what should be done
- with it.
-#. If a cache file exists, it is sent directly to the browser, bypassing
- the normal system execution.
-#. Security. Before the application controller is loaded, the HTTP
- request and any user submitted data is filtered for security.
-#. The Controller loads the model, core libraries, helpers, and any
- other resources needed to process the specific request.
-#. The finalized View is rendered then sent to the web browser to be
- seen. If caching is enabled, the view is cached first so that on
- subsequent requests it can be served.
-
-.. |CodeIgniter application flow| image:: ../images/appflowchart.gif