How to generate unique colors in php

How to generate non-repeating colors in php: 1. Create a PHP sample file; 2. Generate non-repeating colors through the "function randColor($num){...}" method.

The operating environment of this article: Windows7 system, PHP7.1 version, DELL G3 computer

How does php generate non-repeating colors?

php generates multiple random non-repeating color codes

The code is as follows:

Just put the function that generates random numbers into the loop.

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