Which cases should be used _redirect() or _forward() in Zend Framework [duplicate]

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What is the difference between redirect and forward in Zend framework

Please provide real and practical examples.

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both are totally different things _forward is internal redirection of zf , i.e practically user browser even dont know about this redirection , but inside zf all the hooks after predispatch gets invoked . Whereas in _redirect case user browser takes control of redirection and make second request hence everthing inside zf gets invoked once age (bootstrap , routing etc) .

clearely _forward is less resource intensive then _redirect but if you need the code inside bootstrap to be called (in case you have made changes in config and want it to reload) then you should do _redirect .