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| author | Joël Cox <joel@joelcox.nl> | 2011-10-09 18:45:09 +0200 |
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| committer | Joël Cox <joel@joelcox.nl> | 2011-10-09 18:45:09 +0200 |
| commit | 8ffcb2c8c7ef3da54d7e46c29d502533e413c820 (patch) | |
| tree | 1f94e2e81b4d20f2df827b8a84eeda27032161a1 /user_guide_src/source/overview/appflow.rst | |
| parent | f4fb1db458fab52d0493ead52c9ea7e01206eaa7 (diff) | |
| parent | 6858c0753a7221796d6a5a1d7fea93cc2f9feb2e (diff) | |
Merged develop branch in tutorial.
Diffstat (limited to 'user_guide_src/source/overview/appflow.rst')
| -rw-r--r-- | user_guide_src/source/overview/appflow.rst | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/user_guide_src/source/overview/appflow.rst b/user_guide_src/source/overview/appflow.rst new file mode 100644 index 000000000..bb15130d2 --- /dev/null +++ b/user_guide_src/source/overview/appflow.rst @@ -0,0 +1,23 @@ +###################### +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 |