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<?php $hotels = [ ['Cala', 3, 8.7, 6000], ['Ocean', 3, 8.2, 6150], ['Orchid', 3, 8.0, 7200], ['Ya', 4, 8.3, 6950], ['Chaba', 3, 8.2, 7120], ]; $top = [ 'Cala', 'Ocean', ]; for ( $i=0; $i<count($hotels); $i++ ) { $hotels[$i][4] = 0; } $starCoefOptions = range(0.02, 5, 0.02); $ratingCoefOptions = range(50, 10000, 50); foreach ( $starCoefOptions as $starCoef ) { foreach ( $ratingCoefOptions as $ratingCoef ) { $topGenerated = buildTop($hotels, $starCoef, $ratingCoef); $topGenerated = array_slice($topGenerated, 0, count($top)); if ( $topGenerated === $top ) { echo '$starCoef = '.$starCoef."\r\n"; echo '$ratingCoef = '.$ratingCoef."\r\n"; echo "\r\n"; } } } function buildTop($hotels, $starCoef, $ratingCoef) { for ( $i=0; $i<count($hotels); $i++ ) { for ( $j=$i+1; $j<count($hotels); $j++ ) { $starDifference = $hotels[$i][1]-$hotels[$j][1]; $ratingToCompensate = $starDifference*$starCoef; $rating = $hotels[$i][2]+$ratingToCompensate; $ratingDifference = ($rating-$hotels[$j][2])*10; $priceToCompensate = $ratingDifference*$ratingCoef; $price = round($hotels[$i][3]-$priceToCompensate); if ( $price < $hotels[$j][3] ) { $hotels[$i][4]++; } else { $hotels[$j][4]++; } } } usort($hotels, function($hotelA, $hotelB){ return $hotelB[4]-$hotelA[4]; }); return array_map(function($hotel){ return $hotel[0]; }, $hotels); }
Output for 5.4.43 - 5.4.45, 5.5.27 - 5.5.38, 5.6.10 - 5.6.30, 7.0.0 - 7.0.31, 7.1.0 - 7.1.21, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
$starCoef = 0.02 $ratingCoef = 50 $starCoef = 0.02 $ratingCoef = 100 $starCoef = 0.02 $ratingCoef = 150 $starCoef = 0.02 $ratingCoef = 200 $starCoef = 0.02 $ratingCoef = 250 $starCoef = 0.02 $ratingCoef = 300 $starCoef = 0.02 $ratingCoef = 350 $starCoef = 0.02 $ratingCoef = 400 $starCoef = 0.02 $ratingCoef = 450 $starCoef = 0.02 $ratingCoef = 500 $starCoef = 0.02 $ratingCoef = 550 $starCoef = 0.02 $ratingCoef = 600 $starCoef = 0.02 $ratingCoef = 650 $starCoef = 0.04 $ratingCoef = 50 $starCoef = 0.04 $ratingCoef = 100 $starCoef = 0.04 $ratingCoef = 150 $starCoef = 0.04 $ratingCoef = 200 $starCoef = 0.04 $ratingCoef = 250 $starCoef = 0.04 $ratingCoef = 300 $starCoef = 0.04 $ratingCoef = 350 $starCoef = 0.04 $ratingCoef = 400 $starCoef = 0.04 $ratingCoef = 450 $starCoef = 0.04 $ratingCoef = 500 $starCoef = 0.04 $ratingCoef = 550 $starCoef = 0.06 $ratingCoef = 50 $starCoef = 0.06 $ratingCoef = 100 $starCoef = 0.06 $ratingCoef = 150 $starCoef = 0.06 $ratingCoef = 200 $starCoef = 0.06 $ratingCoef = 250 $starCoef = 0.06 $ratingCoef = 300 $starCoef = 0.06 $ratingCoef = 350 $starCoef = 0.06 $ratingCoef = 400 $starCoef = 0.06 $ratingCoef = 450 $starCoef = 0.08 $ratingCoef = 50 $starCoef = 0.08 $ratingCoef = 100 $starCoef = 0.08 $ratingCoef = 150 $starCoef = 0.08 $ratingCoef = 200 $starCoef = 0.08 $ratingCoef = 250 $starCoef = 0.08 $ratingCoef = 300 $starCoef = 0.08 $ratingCoef = 350 $starCoef = 0.08 $ratingCoef = 400 $starCoef = 0.1 $ratingCoef = 50 $starCoef = 0.1 $ratingCoef = 100 $starCoef = 0.1 $ratingCoef = 150 $starCoef = 0.1 $ratingCoef = 200 $starCoef = 0.1 $ratingCoef = 250 $starCoef = 0.1 $ratingCoef = 300 $starCoef = 0.1 $ratingCoef = 350 $starCoef = 0.12 $ratingCoef = 50 $starCoef = 0.12 $ratingCoef = 100 $starCoef = 0.12 $ratingCoef = 150 $starCoef = 0.12 $ratingCoef = 200 $starCoef = 0.12 $ratingCoef = 250 $starCoef = 0.12 $ratingCoef = 300 $starCoef = 0.12 $ratingCoef = 350 $starCoef = 0.14 $ratingCoef = 50 $starCoef = 0.14 $ratingCoef = 100 $starCoef = 0.14 $ratingCoef = 150 $starCoef = 0.14 $ratingCoef = 200 $starCoef = 0.14 $ratingCoef = 250 $starCoef = 0.14 $ratingCoef = 300 $starCoef = 0.16 $ratingCoef = 50 $starCoef = 0.16 $ratingCoef = 100 $starCoef = 0.16 $ratingCoef = 150 $starCoef = 0.16 $ratingCoef = 200 $starCoef = 0.16 $ratingCoef = 250 $starCoef = 0.16 $ratingCoef = 300 $starCoef = 0.18 $ratingCoef = 50 $starCoef = 0.18 $ratingCoef = 100 $starCoef = 0.18 $ratingCoef = 150 $starCoef = 0.18 $ratingCoef = 200 $starCoef = 0.18 $ratingCoef = 250 $starCoef = 0.2 $ratingCoef = 50 $starCoef = 0.2 $ratingCoef = 100 $starCoef = 0.2 $ratingCoef = 150 $starCoef = 0.2 $ratingCoef = 200 $starCoef = 0.2 $ratingCoef = 250 $starCoef = 0.22 $ratingCoef = 50 $starCoef = 0.22 $ratingCoef = 100 $starCoef = 0.22 $ratingCoef = 150 $starCoef = 0.22 $ratingCoef = 200 $starCoef = 0.24 $ratingCoef = 50 $starCoef = 0.24 $ratingCoef = 100 $starCoef = 0.24 $ratingCoef = 150 $starCoef = 0.24 $ratingCoef = 200 $starCoef = 0.26 $ratingCoef = 50 $starCoef = 0.26 $ratingCoef = 100 $starCoef = 0.26 $ratingCoef = 150 $starCoef = 0.26 $ratingCoef = 200 $starCoef = 0.28 $ratingCoef = 50 $starCoef = 0.28 $ratingCoef = 100 $starCoef = 0.28 $ratingCoef = 150 $starCoef = 0.28 $ratingCoef = 200 $starCoef = 0.3 $ratingCoef = 50 $starCoef = 0.3 $ratingCoef = 100 $starCoef = 0.3 $ratingCoef = 150 $starCoef = 0.32 $ratingCoef = 50 $starCoef = 0.32 $ratingCoef = 100 $starCoef = 0.32 $ratingCoef = 150 $starCoef = 0.34 $ratingCoef = 50 $starCoef = 0.34 $ratingCoef = 100 $starCoef = 0.34 $ratingCoef = 150 $starCoef = 0.36 $ratingCoef = 50 $starCoef = 0.36 $ratingCoef = 100 $starCoef = 0.36 $ratingCoef = 150 $starCoef = 0.38 $ratingCoef = 50 $starCoef = 0.38 $ratingCoef = 100 $starCoef = 0.38 $ratingCoef = 150 $starCoef = 0.4 $ratingCoef = 50 $starCoef = 0.4 $ratingCoef = 100 $starCoef = 0.4 $ratingCoef = 150 $starCoef = 0.42 $ratingCoef = 50 $starCoef = 0.42 $ratingCoef = 100 $starCoef = 0.42 $ratingCoef = 150 $starCoef = 0.44 $ratingCoef = 50 $starCoef = 0.44 $ratingCoef = 100 $starCoef = 0.46 $ratingCoef = 50 $starCoef = 0.46 $ratingCoef = 100 $starCoef = 0.48 $ratingCoef = 50 $starCoef = 0.48 $ratingCoef = 100 $starCoef = 0.5 $ratingCoef = 50 $starCoef = 0.5 $ratingCoef = 100 $starCoef = 0.52 $ratingCoef = 50 $starCoef = 0.52 $ratingCoef = 100 $starCoef = 0.54 $ratingCoef = 50 $starCoef = 0.54 $ratingCoef = 100 $starCoef = 0.56 $ratingCoef = 50 $starCoef = 0.56 $ratingCoef = 100 $starCoef = 0.58 $ratingCoef = 50 $starCoef = 0.58 $ratingCoef = 100 $starCoef = 0.6 $ratingCoef = 50 $starCoef = 0.6 $ratingCoef = 100 $starCoef = 0.62 $ratingCoef = 50 $starCoef = 0.62 $ratingCoef = 100 $starCoef = 0.64 $ratingCoef = 50 $starCoef = 0.64 $ratingCoef = 100 $starCoef = 0.66 $ratingCoef = 50 $starCoef = 0.66 $ratingCoef = 100 $starCoef = 0.68 $ratingCoef = 50 $starCoef = 0.68 $ratingCoef = 100 $starCoef = 0.7 $ratingCoef = 50 $starCoef = 0.72 $ratingCoef = 50 $starCoef = 0.74 $ratingCoef = 50 $starCoef = 0.76 $ratingCoef = 50 $starCoef = 0.78 $ratingCoef = 50 $starCoef = 0.8 $ratingCoef = 50 $starCoef = 0.82 $ratingCoef = 50 $starCoef = 0.84 $ratingCoef = 50 $starCoef = 0.86 $ratingCoef = 50 $starCoef = 0.88 $ratingCoef = 50 $starCoef = 0.9 $ratingCoef = 50 $starCoef = 0.92 $ratingCoef = 50 $starCoef = 0.94 $ratingCoef = 50 $starCoef = 0.96 $ratingCoef = 50 $starCoef = 0.98 $ratingCoef = 50 $starCoef = 1 $ratingCoef = 50 $starCoef = 1.02 $ratingCoef = 50 $starCoef = 1.04 $ratingCoef = 50 $starCoef = 1.06 $ratingCoef = 50 $starCoef = 1.08 $ratingCoef = 50 $starCoef = 1.1 $ratingCoef = 50 $starCoef = 1.12 $ratingCoef = 50 $starCoef = 1.14 $ratingCoef = 50 $starCoef = 1.16 $ratingCoef = 50 $starCoef = 1.18 $ratingCoef = 50 $starCoef = 1.2 $ratingCoef = 50 $starCoef = 1.22 $ratingCoef = 50 $starCoef = 1.24 $ratingCoef = 50 $starCoef = 1.26 $ratingCoef = 50 $starCoef = 1.28 $ratingCoef = 50 $starCoef = 1.3 $ratingCoef = 50 $starCoef = 1.32 $ratingCoef = 50 $starCoef = 1.34 $ratingCoef = 50 $starCoef = 1.36 $ratingCoef = 50 $starCoef = 1.38 $ratingCoef = 50 $starCoef = 1.4 $ratingCoef = 50 $starCoef = 1.42 $ratingCoef = 50 $starCoef = 1.44 $ratingCoef = 50 $starCoef = 1.46 $ratingCoef = 50 $starCoef = 1.48 $ratingCoef = 50
Output for 5.5.26
$starCoef = 0.02 $ratingCoef = 50 $starCoef = 0.02 $ratingCoef = 100 $starCoef = 0.02 $ratingCoef = 150 $starCoef = 0.02 $ratingCoef = 200 $starCoef = 0.02 $ratingCoef = 250 $starCoef = 0.02 $ratingCoef = 300 $starCoef = 0.02 $ratingCoef = 350 $starCoef = 0.02 $ratingCoef = 400 $starCoef = 0.02 $ratingCoef = 450 $starCoef = 0.02 $ratingCoef = 500 $starCoef = 0.02 $ratingCoef = 550 $starCoef = 0.02 $ratingCoef = 600 $starCoef = 0.02 $ratingCoef = 650 $starCoef = 0.04 $ratingCoef = 50 $starCoef = 0.04 $ratingCoef = 100 $starCoef = 0.04 $ratingCoef = 150 $starCoef = 0.04 $ratingCoef = 200 $starCoef = 0.04 $ratingCoef = 250 $starCoef = 0.04 $ratingCoef = 300 $starCoef = 0.04 $ratingCoef = 350 $starCoef = 0.04 $ratingCoef = 400 $starCoef = 0.04 $ratingCoef = 450 $starCoef = 0.04 $ratingCoef = 500 $starCoef = 0.04 $ratingCoef = 550 $starCoef = 0.06 $ratingCoef = 50 $starCoef = 0.06 $ratingCoef = 100 $starCoef = 0.06 $ratingCoef = 150 $starCoef = 0.06 $ratingCoef = 200 $starCoef = 0.06 $ratingCoef = 250 $starCoef = 0.06 $ratingCoef = 300 $starCoef = 0.06 $ratingCoef = 350 $starCoef = 0.06 $ratingCoef = 400 $starCoef = 0.06 $ratingCoef = 450 $starCoef = 0.08 $ratingCoef = 50 $starCoef = 0.08 $ratingCoef = 100 $starCoef = 0.08 $ratingCoef = 150 $starCoef = 0.08 $ratingCoef = 200 $starCoef = 0.08 $ratingCoef = 250 $starCoef = 0.08 $ratingCoef = 300 $starCoef = 0.08 $ratingCoef = 350 $starCoef = 0.08 $ratingCoef = 400 $starCoef = 0.1 $ratingCoef = 50 $starCoef = 0.1 $ratingCoef = 100 $starCoef = 0.1 $ratingCoef = 150 $starCoef = 0.1 $ratingCoef = 200 $starCoef = 0.1 $ratingCoef = 250 $starCoef = 0.1 $ratingCoef = 300 $starCoef = 0.1 $ratingCoef = 350 $starCoef = 0.12 $ratingCoef = 50 $starCoef = 0.12 $ratingCoef = 100 $starCoef = 0.12 $ratingCoef = 150 $starCoef = 0.12 $ratingCoef = 200 $starCoef = 0.12 $ratingCoef = 250 $starCoef = 0.12 $ratingCoef = 300 $starCoef = 0.12 $ratingCoef = 350 $starCoef = 0.14 $ratingCoef = 50 $starCoef = 0.14 $ratingCoef = 100 $starCoef = 0.14 $ratingCoef = 150 $starCoef = 0.14 $ratingCoef = 200 $starCoef = 0.14 $ratingCoef = 250 $starCoef = 0.14 $ratingCoef = 300 $starCoef = 0.16 $ratingCoef = 50 $starCoef = 0.16 $ratingCoef = 100 $starCoef = 0.16 $ratingCoef = 150 $starCoef = 0.16 $ratingCoef = 200 $starCoef = 0.16 $ratingCoef = 250 $starCoef = 0.16 $ratingCoef = 300 $starCoef = 0.18 $ratingCoef = 50 $starCoef = 0.18 $ratingCoef = 100 $starCoef = 0.18 $ratingCoef = 150 $starCoef = 0.18 $ratingCoef = 200 $starCoef = 0.18 $ratingCoef = 250 $starCoef = 0.2 $ratingCoef = 50 $starCoef = 0.2 $ratingCoef = 100 $starCoef = 0.2 $ratingCoef = 150 $starCoef = 0.2 $ratingCoef = 200 $starCoef = 0.2 $ratingCoef = 250 $starCoef = 0.22 $ratingCoef = 50 $starCoef = 0.22 $ratingCoef = 100 $starCoef = 0.22 $ratingCoef = 150 $starCoef = 0.22 $ratingCoef = 200 $starCoef = 0.24 $ratingCoef = 50 $starCoef = 0.24 $ratingCoef = 100 $starCoef = 0.24 $ratingCoef = 150 $starCoef = 0.24 $ratingCoef = 200 $starCoef = 0.26 $ratingCoef = 50 $starCoef = 0.26 $ratingCoef = 100 $starCoef = 0.26 $ratingCoef = 150 $starCoef = 0.26 $ratingCoef = 200 $starCoef = 0.28 $ratingCoef = 50 $starCoef = 0.28 $ratingCoef = 100 $starCoef = 0.28 $ratingCoef = 150 $starCoef = 0.28 $ratingCoef = 200 $starCoef = 0.3 $ratingCoef = 50 $starCoef = 0.3 $ratingCoef = 100 $starCoef = 0.3 $ratingCoef = 150 $starCoef = 0.32 $ratingCoef = 50 $starCoef = 0.32 $ratingCoef = 100 $starCoef = 0.32 $ratingCoef = 150 $starCoef = 0.34 $ratingCoef = 50 $starCoef = 0.34 $ratingCoef = 100 $starCoef = 0.34 $ratingCoef = 150 $starCoef = 0.36 $ratingCoef = 50 $starCoef = 0.36 $ratingCoef = 100 $starCoef = 0.36 $ratingCoef = 150 $starCoef = 0.38 $ratingCoef = 50 $starCoef = 0.38 $ratingCoef = 100 $starCoef = 0.38 $ratingCoef = 150 $starCoef = 0.4 $ratingCoef = 50 $starCoef = 0.4 $ratingCoef = 100 $starCoef = 0.4 $ratingCoef = 150 $starCoef = 0.42 $ratingCoef = 50 $starCoef = 0.42 $ratingCoef = 100 $starCoef = 0.42 $ratingCoef = 150 $starCoef = 0.44 $ratingCoef = 50 $starCoef = 0.44 $ratingCoef = 100 $starCoef = 0.46 $ratingCoef = 50 $starCoef = 0.46 $ratingCoef = 100 $starCoef = 0.48 $ratingCoef = 50 $starCoef = 0.48 $ratingCoef = 100 $starCoef = 0.5 $ratingCoef = 50 $starCoef = 0.5 $ratingCoef = 100 $starCoef = 0.52 $ratingCoef = 50 $starCoef = 0.52 $ratingCoef = 100 $starCoef = 0.54 $ratingCoef = 50 $starCoef = 0.54 $ratingCoef = 100 $starCoef = 0.56 $ratingCoef = 50 $starCoef = 0.56 $ratingCoef = 100 $starCoef = 0.58 $ratingCoef = 50 $starCoef = 0.58 $ratingCoef = 100 $starCoef = 0.6 $ratingCoef = 50 $starCoef = 0.6 $ratingCoef = 100 $starCoef = 0.62 $ratingCoef = 50 $starCoef = 0.62 $ratingCoef = 100 $starCoef = 0.64 $ratingCoef = 50 $starCoef = 0.64 $ratingCoef = 100 $starCoef = 0.66 $ratingCoef = 50 $starCoef = 0.66 $ratingCoef = 100 $starCoef = 0.68 $ratingCoef = 50 $starCoef = 0.68 $ratingCoef = 100 $starCoef = 0.7 $ratingCoef = 50 $starCoef = 0.72 $ratingCoef = 50 $starCoef = 0.74 $ratingCoef = 50 $starCoef = 0.76 $ratingCoef = 50 $starCoef = 0.78 $ratingCoef = 50 $starCoef = 0.8 $ratingCoef = 50 $starCoef = 0.82 $ratingCoef = 50 $starCoef = 0.84 $ratingCoef = 50 $starCoef = 0.86 $ratingCoef = 50 $starCoef = 0.88 $ratingCoef = 50 $starCoef = 0.9 $ratingCoef = 50 $starCoef = 0.92 $ratingCoef = 50 $starCoef = 0.94 $ratingCoef = 50 $starCoef = 0.96 $ratingCoef = 50 $starCoef = 0.98 $ratingCoef = 50 $starCoef = 1 $ratingCoef = 50 $starCoef = 1.02 $ratingCoef = 50 $starCoef = 1.04 $ratingCoef = 50 $starCoef = 1.06 $ratingCoef = 50 $starCoef = 1.08 $ratingCoef = 50 $starCoef = 1.1 $ratingCoef = 50 $starCoef = 1.12 $ratingCoef = 50 $starCoef = 1.14 $ratingCoef = 50 $starCoef = 1.16 $ratingCoef = 50 $starCoef = 1.18 $ratingCoef = 50 $starCoef = 1.2 $ratingCoef = 50 $starCoef = 1.22 $ratingCoef = 50 $starCoef = 1.24 $ratingCoef = 50 $starCoef = 1.26 $ratingCoef = 50 $starCoef = 1.28 $ratingCoef = 50 $starCoef = 1.3 $ratingCoef = 50 $starCoef = 1.32 $ratingCoef = 50 $starCoef = 1.34 $ratingCoef = 50 $starCoef = 1.36 $ratingCoef = 50 $starCoef = 1.38 $ratingCoef = 50 $starCoef = 1.4 $ratingCoef = 50 $starCoef = 1.42 $ratingCoef = 50 $starCoef = 1.44 $ratingCoef = 50 $starCoef = 1.46 $ratingCoef = 50 $starCoef = 1.48 $ratingCoef = 50
Process exited with code 137.

preferences:
214.2 ms | 409 KiB | 237 Q