File upload size (copy by value)

Hi,

I recently implemented a file upload feature in one of my cakephp
project following the guidelines in:

http://cakebaker.42dh.com/2006/04/15/file-upload-with-cakephp/

The upload feature is working nice but the only problem is that it
requires a huge amount of memory because cakephp save function and DB
function pass their argument by copy so for a 42 megabyte file, for
example, I get:

5 0.6854 9126724 ApplicantdataController->attachment( ) ../object.php:
118
6 0.6855 9126724 ApplicantdataController->saveAttachments( ) ../
applicantdata_controller.php:195
7 0.7750 49591836 Model->save( ) ../applicantdata_controller.php:398
8 0.7761 49602268 DboSource->create( ) ../model.php:1253
9 0.7767 49602220 DboMysql->value( ) ../dbo_source.php:571

requiring a >120mega PHP request.

I was wondering if it makes sense to create my own version of the save
function passing by reference or maybe there is a better way to
implement the file upload feature. Passing by reference should allow
me to not have the 49mega copied twice.

Thanks for your help,
Nargiza

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