[fw-db] How to assign typical Zend Db Query Object into Array

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fn:Enkhbilguun Erdenetsogt
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Hello,

I'm learning Ajax with Zend Framework, and I just want to make my
typical Zend Db Query Object (fetchAll()ed) to Json encoding ready array.

Can someone help me?

Thank you very much in advance.

Sincerely,

Enkhbilguun Erdenetsogt