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Securing Forms with Random Noisy Images

in PHP added by goodphptutorials, on 21/1/2006 capatcha form image process security user validation

This tutorial is intended for those who want to ensure that the data retrieved by a form processor PHP is sent by the expected form, not another application or by hand. An understanding form data processing is assumed. A basic knowledge of image creation and manipulation functions is also required.

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Sat, Jan 21st 2006, 19:58
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