How to solve the problem that php onethink CAPTCHA is not displayed

This article mainly explains "how to solve the problem that the php onethink CAPTCHA does not display", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to solve the problem that the php onethink CAPTCHA does not display".

Analyze the causes and solutions:

1. Non-php configuration problems are related to the encoding of the file itself. Utf-8, I have had this phenomenon because the file modified by notepad used directly on the server will not be found after that, and the problem can not be found. After that, all the changes and CAPTCHA files have been re-covered to one side before they are solved.

2. Php GD does not support freetype.

3. The path is wrong.

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