3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hotels = [ ['Anika', 0, 8.0, 11728], ['Maroula', 0, 8.4, 13032], ['Paravos', 0, 8.5, 15638], ['Billis', 0, 8.5, 16289], ['Terinkas', 0, 8.1, 17918], ['Tias', 0, 8.6, 19222], ['Liristis', 0, 9.1, 20851], ['Irina', 0, 9.3, 21176], ]; $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; $price = round($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-3.12.0, 7.0.0 - 7.1.0
Comparing Anika and Maroula... 19728 VS 13032 Maroula wins! ---------- Comparing Anika and Paravos... 21728 VS 15638 Paravos wins! ---------- Comparing Anika and Billis... 21728 VS 16289 Billis wins! ---------- Comparing Anika and Terinkas... 13728 VS 17918 Anika wins! ---------- Comparing Anika and Tias... 23728 VS 19222 Tias wins! ---------- Comparing Anika and Liristis... 33728 VS 20851 Liristis wins! ---------- Comparing Anika and Irina... 37728 VS 21176 Irina wins! ---------- Comparing Maroula and Paravos... 15032 VS 15638 Maroula wins! ---------- Comparing Maroula and Billis... 15032 VS 16289 Maroula wins! ---------- Comparing Maroula and Terinkas... 7032 VS 17918 Maroula wins! ---------- Comparing Maroula and Tias... 17032 VS 19222 Maroula wins! ---------- Comparing Maroula and Liristis... 27032 VS 20851 Liristis wins! ---------- Comparing Maroula and Irina... 31032 VS 21176 Irina wins! ---------- Comparing Paravos and Billis... 15638 VS 16289 Paravos wins! ---------- Comparing Paravos and Terinkas... 7638 VS 17918 Paravos wins! ---------- Comparing Paravos and Tias... 17638 VS 19222 Paravos wins! ---------- Comparing Paravos and Liristis... 27638 VS 20851 Liristis wins! ---------- Comparing Paravos and Irina... 31638 VS 21176 Irina wins! ---------- Comparing Billis and Terinkas... 8289 VS 17918 Billis wins! ---------- Comparing Billis and Tias... 18289 VS 19222 Billis wins! ---------- Comparing Billis and Liristis... 28289 VS 20851 Liristis wins! ---------- Comparing Billis and Irina... 32289 VS 21176 Irina wins! ---------- Comparing Terinkas and Tias... 27918 VS 19222 Tias wins! ---------- Comparing Terinkas and Liristis... 37918 VS 20851 Liristis wins! ---------- Comparing Terinkas and Irina... 41918 VS 21176 Irina wins! ---------- Comparing Tias and Liristis... 29222 VS 20851 Liristis wins! ---------- Comparing Tias and Irina... 33222 VS 21176 Irina wins! ---------- Comparing Liristis and Irina... 24851 VS 21176 Irina wins! ---------- ---------- Top: Irina: 7 Liristis: 6 Maroula: 5 Paravos: 4 Billis: 3 Tias: 2 Anika: 1 Terinkas: 0 ---------- Finalists: Irina Liristis
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/b9dEg 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/b9dEg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/b9dEg on line 3
Process exited with code 255.