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This article introduces the relevant knowledge of "how to solve the garbled code of php composite pictures". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Php composite picture garbled solutions: 1, open the corresponding PHP to generate picture code; 2, by adding "ob_end_clean ()" in the header function before emptying the cache data.

This article operating environment: Windows7 system, PHP7.1 version, Dell G3 computer.

What if there is garbled code in the php composite picture?

Generate pictures or garbled files under php

Foreword:

There are always garbled codes when we use php to generate excel or pictures. Most people on the Internet say setting header, but it still has no effect after setting it. As follows:

Code

Effect.

Solution:

Ob_end_clean ()-clears the cached data before the header function.

Clear the cache and then output

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