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PHP generates image verification code and click switching code

不言
不言 Original
2018-06-21 10:17:55 3013browse

This article mainly introduces the example of PHP generating image verification code, and also introduces the method to achieve the effect of clicking to switch (can't see clearly? Change one). Friends in need can refer to it

Here to take a look Effect:

Now let us take a look at the PHP code

Then just call it in the page:

If you want to achieve "cannot see Clear? Change one" effect, add the following JS to the page

function changing(){ document.getElementById('checkpic').src="//m.sbmmt.com/m/images/checkcode.php?"+Math.random(); }

The above is the entire content of this article, I hope it will be helpful to everyone's learning, please pay attention to PHP for more related content Chinese website!

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