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<?php $ar[0]=1; $ar[1]=2; $ar[2]=3; $ar2=$ar; print_r($ar2); some_func('arg',...$ar); print_r($ar2); // same as in $ar function some_func($a, &...$arr){ $arr[0]='one'; $arr[1]='two'; $arr[2]='three'; }

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