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<?php $a = [ 0 => 2, 1 => 7, 2 => 5, 3 => 2, 4 => 2, 5 => 3 ]; echo array_rand(array_flip(array_keys ($a, min($a))));
Output for 7.1.2, 7.1.5, 7.1.10, 7.1.12, 7.1.14, 7.1.23, 7.1.25, 7.1.27, 7.1.29, 7.1.33, 7.2.0, 7.2.2, 7.2.8, 7.2.10 - 7.2.11, 7.2.20, 7.2.25, 7.2.27 - 7.2.28, 7.2.31 - 7.2.32, 7.2.34, 7.3.2 - 7.3.4, 7.3.7, 7.3.9, 7.3.13, 7.3.15, 7.3.17, 7.3.20, 7.3.23, 7.3.27, 7.4.2 - 7.4.3, 7.4.5 - 7.4.6, 7.4.9, 7.4.12, 7.4.15, 8.0.3
3
Output for 7.1.1, 7.1.3, 7.1.6 - 7.1.7, 7.1.9, 7.1.11, 7.1.13, 7.1.16 - 7.1.18, 7.1.21 - 7.1.22, 7.1.24, 7.1.26, 7.1.28, 7.1.30, 7.1.32, 7.2.3 - 7.2.4, 7.2.6 - 7.2.7, 7.2.9, 7.2.13, 7.2.15, 7.2.19, 7.2.22, 7.3.0 - 7.3.1, 7.3.5 - 7.3.6, 7.3.8, 7.3.16, 7.3.18 - 7.3.19, 7.3.22, 7.3.24, 7.3.28, 7.4.0 - 7.4.1, 7.4.7 - 7.4.8, 7.4.10 - 7.4.11, 7.4.13 - 7.4.14, 8.0.1 - 8.0.2
4
Output for 7.1.0, 7.1.4, 7.1.8, 7.1.15, 7.1.19 - 7.1.20, 7.1.31, 7.2.1, 7.2.5, 7.2.12, 7.2.14, 7.2.16 - 7.2.18, 7.2.21, 7.2.23 - 7.2.24, 7.2.26, 7.2.29 - 7.2.30, 7.2.33, 7.3.10 - 7.3.12, 7.3.14, 7.3.21, 7.3.25 - 7.3.26, 7.4.4, 7.4.16, 8.0.0
0

preferences:
59.32 ms | 411 KiB | 5 Q