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<?php $arr = [1, 2, -2]; usort($arr, fn ($a, $b) => $a - $b); print_r($arr); $arr = [0.1, 0.2, -0.2]; usort($arr, fn ($a, $b) => $a - $b); print_r($arr);

This is an error 500

Value for `_results` contains invalid data `array`


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