3v4l.org

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<?php $arr= [16,8,4,2,1]; $number = 13; $bin = str_split(str_pad(decbin($number),count($arr),"0",STR_PAD_LEFT)); Echo implode(",", array_intersect_key($arr,array_intersect($bin, ["1"])));
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
8,4,1
preferences:
144.07 ms | 407 KiB | 5 Q