3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hotels = [ ['Cala', 3, 8.7, 6000], ['Ocean', 3, 8.2, 6150], ['Orchid', 3, 8.0, 7200], ['Ya', 4, 8.7, 6950], ['Chaba', 3, 8.2, 7120], ]; $totalHotelsNumber = 2; $starCoef = 0.2; $ratingCoef = 2000; for ( $i=0; $i<count($hotels); $i++ ) { $hotels[$i][4] = 0; } for ( $i=0; $i<count($hotels); $i++ ) { for ( $j=$i+1; $j<count($hotels); $j++ ) { echo 'Comparing '.$hotels[$i][0].' and '.$hotels[$j][0].'...'."\r\n"; $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 = $hotels[$i][3]-$priceToCompensate; echo $price.' VS '.$hotels[$j][3]."\r\n"; if ( $price > $hotels[$j][3] ) { echo $hotels[$i][0].' wins!'."\r\n"; $hotels[$i][4]++; } else { echo $hotels[$j][0].' wins!'."\r\n"; $hotels[$j][4]++; } echo "\r\n".'----------'."\r\n"; } } usort($hotels, function($hotelA, $hotelB){ return $hotelB[4]-$hotelA[4]; }); echo "\r\n".'----------'."\r\n"; echo 'Top:'."\r\n\r\n"; for ( $i=0; $i<count($hotels); $i++ ) { echo $hotels[$i][0].': '.$hotels[$i][4]."\r\n"; } echo "\r\n".'----------'."\r\n"; echo 'Finalists:'."\r\n\r\n"; for ( $i=0; $i<=1; $i++ ) { echo $hotels[$i][0]."\r\n"; }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Comparing Cala and Ocean... -4000 VS 6150 Ocean wins! ---------- Comparing Cala and Orchid... -8000 VS 7200 Orchid wins! ---------- Comparing Cala and Ya... 10000 VS 6950 Cala wins! ---------- Comparing Cala and Chaba... -4000 VS 7120 Chaba wins! ---------- Comparing Ocean and Orchid... 2150 VS 7200 Orchid wins! ---------- Comparing Ocean and Ya... 20150 VS 6950 Ocean wins! ---------- Comparing Ocean and Chaba... 6150 VS 7120 Chaba wins! ---------- Comparing Orchid and Ya... 25200 VS 6950 Orchid wins! ---------- Comparing Orchid and Chaba... 11200 VS 7120 Orchid wins! ---------- Comparing Ya and Chaba... -7050 VS 7120 Chaba wins! ---------- ---------- Top: Orchid: 4 Chaba: 3 Ocean: 2 Cala: 1 Ya: 0 ---------- Finalists: Orchid Chaba
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/YWYa6 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/YWYa6 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YWYa6 on line 3
Process exited with code 255.