cakephp - How to process and change output before it is sent back to the browser? -

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i want implement mechanism in cakephp shortcodes in wordpress. want save pages (in db) tokens, e.g.

[form id=12]

and then, after view got rendered , before sent browser, want search rendered view these tokens, , replace them else.

i assume i'll have use beforefilter, afterfilter or beforerender, can't find documentation (including in cakephp's own documentation!) how these overriden functions can used change output.

can help?


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