3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $priorities = array( 6=> 10, 5=> 40, 4=> 35, 3=> 5, 2=> 5 ); # you put each of the values N times, based on N being the probability # each occurrence of the number in the array is a change it will get picked up # same is with lotteries $numbers = array(); foreach($priorities as $k=>$v){ for($i=0; $i<$v; $i++) $numbers[] = $k; } # then you just pick a random value from the array # the more occurrences, the more chances, and the occurrences are based on "priority" $entry = $numbers[array_rand($numbers)]; echo "x: ".$entry;
Output for 4.4.0, 4.4.9 - 5.0.0, 5.2.14, 5.3.6 - 5.3.7, 5.3.20, 5.4.9, 5.4.12 - 5.4.13, 5.4.24, 5.4.28, 5.5.12, 5.5.25, 5.5.33, 5.6.10 - 5.6.11, 7.0.1, 7.0.3, 7.1.0
x: 6
Output for 4.3.0, 4.3.7, 4.3.9 - 4.3.11, 4.4.4 - 4.4.5, 4.4.7 - 4.4.8, 5.0.1 - 5.0.2, 5.0.4 - 5.1.1, 5.1.3, 5.1.5, 5.2.2, 5.2.6, 5.2.8 - 5.2.9, 5.2.11, 5.2.13, 5.2.15, 5.2.17, 5.3.4 - 5.3.5, 5.3.12 - 5.3.13, 5.3.17, 5.3.19, 5.3.22 - 5.3.23, 5.3.25 - 5.3.26, 5.4.5 - 5.4.8, 5.4.10, 5.4.17, 5.4.19 - 5.4.22, 5.4.27, 5.4.29 - 5.4.30, 5.4.36 - 5.4.37, 5.4.42 - 5.4.44, 5.5.3, 5.5.6 - 5.5.11, 5.5.13, 5.5.15 - 5.5.18, 5.5.20, 5.5.23, 5.5.27 - 5.5.31, 5.5.35 - 5.5.36, 5.5.38 - 5.6.1, 5.6.3, 5.6.6, 5.6.13 - 5.6.14, 5.6.18, 5.6.20, 5.6.23, 5.6.25, hhvm-3.12.0, 7.0.0, 7.0.4 - 7.0.7, 7.0.14
x: 5
Output for 4.3.1 - 4.3.6, 4.3.8, 4.4.1 - 4.4.3, 4.4.6, 5.0.3, 5.1.4, 5.2.0 - 5.2.1, 5.2.3 - 5.2.5, 5.2.7, 5.2.10, 5.2.12, 5.2.16, 5.3.0 - 5.3.1, 5.3.3, 5.3.8 - 5.3.10, 5.3.14 - 5.3.16, 5.3.18, 5.3.21, 5.3.24, 5.3.27 - 5.4.1, 5.4.4, 5.4.11, 5.4.14 - 5.4.15, 5.4.25 - 5.4.26, 5.4.31 - 5.4.34, 5.4.39 - 5.4.41, 5.4.45 - 5.5.2, 5.5.4 - 5.5.5, 5.5.19, 5.5.21, 5.5.24, 5.5.26, 5.5.34, 5.5.37, 5.6.2, 5.6.4, 5.6.7, 5.6.9, 5.6.12, 5.6.15 - 5.6.17, 5.6.19, 5.6.21, 5.6.28, 7.0.2, 7.0.9 - 7.0.10
x: 4
Output for 5.4.2, 5.4.23, 5.4.35, 5.5.22, 5.6.5, 5.6.8, 5.6.24, hhvm-3.10.0, 7.0.8
x: 3
Output for 5.1.2, 5.1.6, 5.3.2, 5.3.11, 5.4.3, 5.4.16, 5.4.18, 5.4.38, 5.5.14, 5.5.32, 5.6.22
x: 2