3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = [1 => 2, 2 => 3]; for ($i = 0; $i < 5; $i++) echo array_rand($x);
based on 7mu2X
Output for 7.0.7, 7.0.16, 7.2.6
12121
Output for 5.6.3, 7.1.3, 7.2.0
21211
Output for 5.6.1, 5.6.7, 7.1.10
22211
Output for 5.6.25, 7.0.0, 7.1.7
21112
Output for 5.6.10, 5.6.13, 7.0.5, 7.0.12, 7.1.6
11121
Output for 5.6.16, 5.6.27, 7.0.14, 7.1.0, 7.1.5
12122
Output for 7.0.18, 7.1.4
11111
Output for 5.6.12, 7.1.2
11221
Output for 7.1.1
11122
Output for 7.0.9, 7.0.20
12212
Output for 5.6.15, 5.6.18, 5.6.26, 7.0.19
11112
Output for 7.0.17
21221
Output for 7.0.10, 7.0.15
22122
Output for 5.6.6, 5.6.9, 5.6.22, 7.0.6, 7.0.13
22212
Output for 7.0.11
22221
Output for 7.0.8
11211
Output for 5.6.0, 5.6.14, 5.6.28, 7.0.4
12221
Output for 5.6.8, 7.0.3
21121
Output for 5.6.5, 7.0.2
22112
Output for 5.6.21, 5.6.30, 7.0.1
12211
Output for 5.6.17, 5.6.24, hhvm-3.15.4
11212
Output for 5.6.29
21222
Output for 5.6.23
21111
Output for 5.6.20
12222
Output for 5.6.19
12112
Output for 5.6.11
22222
Output for 5.6.4
21212
Output for 5.6.2
22121