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Fix array_walk_recursive callback sugnature in PHP 8.0 #163

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Fix array_walk_recursive callback sugnature in PHP 8.0 #163

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@the-csaba the-csaba commented May 11, 2023

In PHP 8.0 the array_walk and the array_walk_recursive functions callback signature changed.
They does not accept reference for the second (or third) parameter anymore.
Unfortunately this fact only documented for the array_walk function.
See here: https://www.php.net/manual/en/function.array-walk.php#refsect1-function.array-walk-changelog
@the-csaba
Fix array_walk_recursive callback sugnature in PHP 8.0
694e173 
In PHP 8.0 the `array_walk` and the `array_walk_recursive` functions callback signature changed. They does not accept reference for the second (or third) parameter. Unfortunately this fact only documented for the `array_walk` function. See here: https://www.php.net/manual/en/function.array-walk.php#refsect1-function.array-walk-changelog
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