<?php $array = [ [0.5278533158407, 0.4080014506744, 0.5086879008467, 0.3950042642736, 1], [1, 0.52873390443395, 0.52518076782133, 0.52983621494599, 0.54392829322042, 0.53636363636364] ]; foreach($array as &$arr){ rsort($arr); $start = $arr[0] == 1 ? 1 : 0; $arr = array_slice($arr,$start,3); } var_export($array);
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