Description:
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According to the doc, the class is public but I can't instantiate it, probably a documentation problem

Test script:
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<?php

$m = new mysqli_warning();

Expected result:
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No error

Actual result:
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Fatal error: Uncaught Error: Call to protected mysqli_warning::__construct() fro
m invalid context in D:\fms\matatetete-master\mysql.php:3