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run code in 200+ php & hhvm versions
Bugs & Features
<?php function weightedRand($min, $max, $gamma) { $offset = $max - $min + 1; return floor($min + pow(lcg_value(), $gamma) * $offset); } $ola = weightedRand(1, 5, 5); print_r($ola);
Output for 4.3.2, 5.1.4, 5.2.0, 5.2.7, 5.2.13 - 5.2.17, 5.3.2 - 5.3.5, 5.3.8 - 5.3.9, 5.3.11 - 5.3.14, 5.3.17, 5.3.19 - 5.3.22, 5.3.24 - 5.3.25, 5.3.27 - 5.4.0, 5.4.2 - 5.4.4, 5.4.7, 5.4.9 - 5.4.14, 5.4.16 - 5.4.21, 5.4.23 - 5.4.28, 5.4.31 - 5.4.39, 5.4.42, 5.4.44, 5.5.24 - 5.5.29, 5.5.31 - 5.5.33, 5.6.8 - 5.6.9, 5.6.11 - 5.6.13, 5.6.15 - 5.6.28, 7.0.1 - 7.0.2, 7.0.5 - 7.0.6, 7.1.0 - 7.2.0
1
Output for 4.3.0, 5.3.15 - 5.3.16, 5.3.18, 5.3.23, 5.4.1, 5.4.5, 5.4.15, 5.4.40 - 5.4.41, 5.4.45, 5.5.35, 5.6.10, 5.6.14, 7.0.0, 7.0.20
2
Output for 5.1.3, 5.2.2, 5.2.5, 5.2.10 - 5.2.12, 5.3.0 - 5.3.1, 5.3.7, 5.3.26, 5.4.6, 5.4.22, 5.4.30, 7.0.3, 7.0.14
4
Output for 5.4.43, 5.5.34, 7.0.4
3
Output for 4.3.1, 4.3.3 - 5.1.2, 5.1.5 - 5.1.6, 5.2.1, 5.2.3 - 5.2.4, 5.2.6, 5.2.8 - 5.2.9, 5.3.6, 5.3.10, 5.4.8, 5.4.29, 5.5.30, 5.6.7
5