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Now in its second year, the Codewalkers.com PHP Coding Contest is still going strong. The contest features a new challenge every month or so to help sharpen your programming skills. The latest challenge is to create a script that will compete head to head with other scripts in a game of Risk. Prizes for the contest include Zend Studio, Macromedia Studio MX, Sourceguardian Pro, PHPEd, and varied other prizes. You can read complete rules for the contests by visiting the site.