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Author: hutuworm Source: Confused greedy templeAt present, many websites in order to prevent users to use robot automatic registration, login, irrigation, have adoptedVerification code technology. The so-called verification code, is a string of

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This article is a detailed analysis of php verification code (tilt, sine interference line, pasting, rotating). If you need a friend, I haven't written a post for a long time. I have been busy with new projects. Recently, I have been trying to