3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = ['1', '2', '3']; echo var_dump(array_rand($test, 2));
Output for 5.4.1, 5.4.10, 5.4.12, 5.4.19, 5.4.24, 5.4.26, 5.4.30 - 5.4.31, 5.4.35, 5.4.38 - 5.4.39, 5.5.9, 5.5.13 - 5.5.14, 5.5.16 - 5.5.19, 5.5.21 - 5.5.24, 5.5.26 - 5.5.29, 5.5.31, 5.5.35 - 5.5.36, 5.6.2 - 5.6.3, 5.6.10 - 5.6.11, 5.6.13 - 5.6.14, 5.6.19, 7.0.1 - 7.0.2, 7.0.5, 7.0.7 - 7.1.0
array(2) { [0]=> int(0) [1]=> int(2) }
Output for 5.4.9, 5.4.11, 5.4.13 - 5.4.15, 5.4.17 - 5.4.18, 5.4.22, 5.4.25, 5.4.27 - 5.4.28, 5.4.41 - 5.4.43, 5.4.45, 5.5.2 - 5.5.5, 5.5.8, 5.5.10 - 5.5.12, 5.5.30, 5.5.32 - 5.5.33, 5.6.0, 5.6.15, 5.6.20 - 5.6.22, 7.0.0, 7.0.4, 7.0.6
array(2) { [0]=> int(0) [1]=> int(1) }
Output for 5.4.0, 5.4.2 - 5.4.8, 5.4.16, 5.4.20 - 5.4.21, 5.4.23, 5.4.29, 5.4.32 - 5.4.34, 5.4.36 - 5.4.37, 5.4.40, 5.4.44, 5.5.0 - 5.5.1, 5.5.6 - 5.5.7, 5.5.15, 5.5.20, 5.5.25, 5.5.34, 5.6.1, 5.6.4 - 5.6.9, 5.6.12, 5.6.16 - 5.6.18, 5.6.28, 7.0.3
array(2) { [0]=> int(1) [1]=> int(2) }
Output for hhvm-3.12.0
array(2) { [0]=> int(2) [1]=> int(0) }
Output for hhvm-3.10.0
array(2) { [0]=> int(1) [1]=> int(0) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/qp10T 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/qp10T on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/qp10T on line 3
Process exited with code 255.