3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hotels = [ ['Cala', 3, 8.7, 6], ['Ocean', 3, 8.2, 6], ['Orchid', 3, 8.0, 7], ['Ya', 3, 8.7, 7], ['Chaba', 3, 8.2, 7], ]; $totalHotelsNumber = 2; $starCoef = 0.2; $ratingCoef = 2; for ( $i=0; $i<count($hotels); $i++ ) { for ( $j=$i; $j<count($hotels); $j++ ) { echo 'Comparing '.$i.' and '.$j."\r\n"; } }
Output for git.master, git.master_jit, rfc.property-hooks
Comparing 0 and 0 Comparing 0 and 1 Comparing 0 and 2 Comparing 0 and 3 Comparing 0 and 4 Comparing 1 and 1 Comparing 1 and 2 Comparing 1 and 3 Comparing 1 and 4 Comparing 2 and 2 Comparing 2 and 3 Comparing 2 and 4 Comparing 3 and 3 Comparing 3 and 4 Comparing 4 and 4

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