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PHP generates GIF dynamic picture verification code_PHP tutorial
- WBOYOriginal
- 2016-07-20 10:58:34804browse
I believe many people have thought about how to use PHP to generate GIF animation to implement dynamic image verification codes. The following is the implementation process.
The PHP source code of the GIF animation implemented by the ImageCode function through the GIFEncoder class. Interested friends can study it.
The effect is as shown below:
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