3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = [1, 2, 3]; $bar = [4, 5, 6]; print_r(array_rand($foo, 2));
Output for 5.4.1, 5.4.4, 5.4.6 - 5.4.7, 5.4.15, 5.4.23, 5.4.26 - 5.4.29, 5.4.32, 5.4.38 - 5.4.39, 5.4.44, 5.5.1, 5.5.7, 5.5.12 - 5.5.13, 5.5.16, 5.5.19, 5.5.21, 5.5.26 - 5.5.27, 5.5.29 - 5.5.30, 5.5.36, 5.5.38, 5.6.2, 5.6.6, 5.6.12, 5.6.16, 5.6.18 - 5.6.22, 5.6.24 - 5.6.25, 7.0.0, 7.0.5, 7.0.7 - 7.0.9, 7.0.14, 7.1.0, 7.1.6, 7.2.0
Array ( [0] => 0 [1] => 2 )
Output for 5.4.0, 5.4.3, 5.4.5, 5.4.9, 5.4.12 - 5.4.14, 5.4.17, 5.4.19 - 5.4.20, 5.4.31, 5.4.40, 5.4.42, 5.5.2, 5.5.5, 5.5.9 - 5.5.11, 5.5.14 - 5.5.15, 5.5.18, 5.5.20, 5.5.23 - 5.5.24, 5.5.28, 5.5.31, 5.5.33, 5.5.35, 5.5.37, 5.6.0 - 5.6.1, 5.6.3, 5.6.8, 5.6.10, 5.6.17, 5.6.23, 7.0.3, 7.0.10, 7.0.20, 7.1.7
Array ( [0] => 1 [1] => 2 )
Output for 5.4.2, 5.4.8, 5.4.10 - 5.4.11, 5.4.16, 5.4.18, 5.4.21 - 5.4.22, 5.4.24 - 5.4.25, 5.4.30, 5.4.34 - 5.4.37, 5.4.41, 5.4.43, 5.4.45 - 5.5.0, 5.5.3 - 5.5.4, 5.5.6, 5.5.8, 5.5.22, 5.5.25, 5.5.32, 5.5.34, 5.6.4 - 5.6.5, 5.6.7, 5.6.9, 5.6.11, 5.6.13 - 5.6.15, 5.6.28, 7.0.1 - 7.0.2, 7.0.4, 7.0.6, 7.1.5
Array ( [0] => 0 [1] => 1 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Pb6G4 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Pb6G4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Pb6G4 on line 3
Process exited with code 255.