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run code in 150+ php & hhvm versions
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<?php $input = array("Neo", "Morpheus", "Trinity", "Cypher", "Tank"); var_dump( array_rand($input, 4) );
Output for 4.4.5, 5.2.13, 5.3.5, 5.3.11 - 5.3.12, 5.3.19, 5.3.23 - 5.3.24, 5.3.29, 5.4.1, 5.4.8, 5.4.11 - 5.4.12, 5.4.14, 5.4.16, 5.4.20, 5.4.27, 5.4.32, 5.4.39, 5.4.43, 5.5.9, 5.5.18, 5.5.20 - 5.5.21, 5.5.24 - 5.5.25, 5.5.29, 5.5.32, 5.5.36 - 5.5.37, 5.6.3 - 5.6.4, 5.6.10, 5.6.19, 7.0.2, 7.0.9, 7.0.14 - 7.1.0
array(4) { [0]=> int(0) [1]=> int(2) [2]=> int(3) [3]=> int(4) }
Output for 5.2.10 - 5.2.12, 5.2.14 - 5.2.16, 5.3.4, 5.3.8, 5.3.16 - 5.3.18, 5.3.21, 5.4.3, 5.4.5, 5.4.9, 5.4.19, 5.4.22, 5.4.30, 5.4.37 - 5.4.38, 5.4.42, 5.4.45 - 5.5.0, 5.5.2, 5.5.5, 5.5.7 - 5.5.8, 5.5.12, 5.5.15, 5.5.30, 5.5.33 - 5.5.34, 5.6.0 - 5.6.1, 5.6.18, 5.6.20, 5.6.22, 5.6.25, 7.0.0, 7.0.5 - 7.0.6, 7.0.10
array(4) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(4) }
Output for 5.3.7, 5.3.13 - 5.3.15, 5.4.0, 5.4.2, 5.4.21, 5.4.23 - 5.4.24, 5.4.34, 5.4.40, 5.5.3, 5.5.6, 5.5.10 - 5.5.11, 5.5.23, 5.5.26, 5.5.31, 5.5.35, 5.6.5 - 5.6.6, 5.6.8, 5.6.15, 5.6.21, 7.0.3, 7.0.8
array(4) { [0]=> int(0) [1]=> int(1) [2]=> int(3) [3]=> int(4) }
Output for 5.3.1 - 5.3.2, 5.3.9, 5.3.20, 5.3.22, 5.3.26 - 5.3.27, 5.4.6, 5.4.17 - 5.4.18, 5.4.26, 5.4.31, 5.4.41, 5.5.1, 5.5.4, 5.5.19, 5.5.28, 5.6.2, 5.6.11 - 5.6.12, 5.6.16, 5.6.23 - 5.6.24, 7.0.4, 7.0.7
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) }
Output for 4.3.1, 4.3.11, 4.4.2, 5.0.0, 5.1.5, 5.2.17 - 5.3.0, 5.3.3, 5.3.6, 5.3.10, 5.3.25, 5.3.28, 5.4.4, 5.4.7, 5.4.10, 5.4.13, 5.4.15, 5.4.25, 5.4.28 - 5.4.29, 5.4.35 - 5.4.36, 5.4.44, 5.5.13 - 5.5.14, 5.5.16, 5.5.22, 5.5.27, 5.5.38, 5.6.7, 5.6.9, 5.6.13 - 5.6.14, 5.6.17, 5.6.28, 7.0.1
array(4) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) }
Output for hhvm-3.12.0
array(4) { [0]=> int(2) [1]=> int(0) [2]=> int(3) [3]=> int(1) }
Output for 4.3.5, hhvm-3.10.0
array(4) { [0]=> int(2) [1]=> int(0) [2]=> int(4) [3]=> int(1) }
Output for 4.4.3, 5.2.9
array(4) { [0]=> int(3) [1]=> int(4) [2]=> int(0) [3]=> int(2) }
Output for 5.2.8
array(4) { [0]=> int(3) [1]=> int(4) [2]=> int(1) [3]=> int(0) }
Output for 4.3.7, 5.2.7
array(4) { [0]=> int(1) [1]=> int(0) [2]=> int(2) [3]=> int(4) }
Output for 4.4.9, 5.2.6
array(4) { [0]=> int(1) [1]=> int(4) [2]=> int(0) [3]=> int(2) }
Output for 5.2.5
array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(3) [3]=> int(0) }
Output for 5.2.4
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(0) [3]=> int(4) }
Output for 5.2.3
array(4) { [0]=> int(4) [1]=> int(0) [2]=> int(3) [3]=> int(2) }
Output for 4.3.9, 5.2.2
array(4) { [0]=> int(3) [1]=> int(1) [2]=> int(4) [3]=> int(0) }
Output for 5.2.1
array(4) { [0]=> int(0) [1]=> int(1) [2]=> int(4) [3]=> int(3) }
Output for 5.2.0
array(4) { [0]=> int(0) [1]=> int(4) [2]=> int(1) [3]=> int(2) }
Output for 4.3.6, 5.1.6
array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(1) [3]=> int(0) }
Output for 4.4.8, 5.1.4
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(4) [3]=> int(3) }
Output for 5.1.3
array(4) { [0]=> int(4) [1]=> int(2) [2]=> int(1) [3]=> int(3) }
Output for 5.1.2
array(4) { [0]=> int(2) [1]=> int(0) [2]=> int(1) [3]=> int(4) }
Output for 5.1.1
array(4) { [0]=> int(3) [1]=> int(0) [2]=> int(1) [3]=> int(4) }
Output for 5.1.0
array(4) { [0]=> int(2) [1]=> int(3) [2]=> int(4) [3]=> int(1) }
Output for 5.0.5
array(4) { [0]=> int(4) [1]=> int(1) [2]=> int(3) [3]=> int(2) }
Output for 5.0.4
array(4) { [0]=> int(1) [1]=> int(0) [2]=> int(4) [3]=> int(3) }
Output for 5.0.3
array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(1) [3]=> int(3) }
Output for 5.0.2
array(4) { [0]=> int(3) [1]=> int(2) [2]=> int(4) [3]=> int(1) }
Output for 5.0.1
array(4) { [0]=> int(3) [1]=> int(4) [2]=> int(1) [3]=> int(2) }
Output for 4.4.7
array(4) { [0]=> int(3) [1]=> int(4) [2]=> int(2) [3]=> int(1) }
Output for 4.4.6
array(4) { [0]=> int(1) [1]=> int(4) [2]=> int(3) [3]=> int(2) }
Output for 4.4.4
array(4) { [0]=> int(3) [1]=> int(1) [2]=> int(2) [3]=> int(4) }
Output for 4.4.0 - 4.4.1
array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(3) [3]=> int(1) }
Output for 4.3.10
array(4) { [0]=> int(3) [1]=> int(0) [2]=> int(4) [3]=> int(2) }
Output for 4.3.8
array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(0) [3]=> int(1) }
Output for 4.3.3 - 4.3.4
array(4) { [0]=> int(4) [1]=> int(3) [2]=> int(2) [3]=> int(1) }
Output for 4.3.2
array(4) { [0]=> int(4) [1]=> int(1) [2]=> int(0) [3]=> int(2) }
Output for 4.3.0
array(4) { [0]=> int(2) [1]=> int(3) [2]=> int(0) [3]=> int(4) }