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How to draw various character verification codes using PHP language

little bottle
little bottle Original
2019-04-19 14:30:59 2103browse

Every time we log in to the website, we are always asked to fill in a random verification code. Have you ever thought about how it is implemented? This article will introduce a code that uses PHP language to draw a random verification code, which has certain reference significance. Come and learn it quickly!

The picture format is like this

How to draw various character verification codes using PHP language

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