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run code in 300+ PHP versions simultaneously
<?php $array = [ 'one', 'two', 'three', 'four' ]; $n = 10; $key = -1; $result = []; for ($x = 0; $x < $n; ++$x) { $key = array_rand(array_diff_key($array, [$key => null])); $result[] = $array[$key]; } var_export($result);
Output for 8.1.12
array ( 0 => 'one', 1 => 'four', 2 => 'three', 3 => 'one', 4 => 'three', 5 => 'two', 6 => 'four', 7 => 'three', 8 => 'four', 9 => 'two', )
Output for 8.1.11
array ( 0 => 'four', 1 => 'one', 2 => 'three', 3 => 'one', 4 => 'three', 5 => 'one', 6 => 'two', 7 => 'four', 8 => 'two', 9 => 'one', )
Output for 8.1.10
array ( 0 => 'four', 1 => 'two', 2 => 'four', 3 => 'three', 4 => 'one', 5 => 'two', 6 => 'three', 7 => 'four', 8 => 'two', 9 => 'one', )
Output for 8.1.9
array ( 0 => 'three', 1 => 'two', 2 => 'three', 3 => 'two', 4 => 'three', 5 => 'one', 6 => 'three', 7 => 'one', 8 => 'two', 9 => 'three', )
Output for 8.1.8
array ( 0 => 'one', 1 => 'three', 2 => 'four', 3 => 'three', 4 => 'four', 5 => 'three', 6 => 'two', 7 => 'one', 8 => 'four', 9 => 'two', )
Output for 8.1.7
array ( 0 => 'three', 1 => 'two', 2 => 'four', 3 => 'two', 4 => 'three', 5 => 'two', 6 => 'three', 7 => 'four', 8 => 'one', 9 => 'two', )
Output for 8.1.6
array ( 0 => 'three', 1 => 'one', 2 => 'three', 3 => 'four', 4 => 'three', 5 => 'four', 6 => 'one', 7 => 'four', 8 => 'one', 9 => 'two', )
Output for 8.1.5
array ( 0 => 'two', 1 => 'four', 2 => 'one', 3 => 'three', 4 => 'two', 5 => 'one', 6 => 'three', 7 => 'two', 8 => 'three', 9 => 'two', )
Output for 8.1.4
array ( 0 => 'three', 1 => 'four', 2 => 'two', 3 => 'three', 4 => 'two', 5 => 'one', 6 => 'two', 7 => 'one', 8 => 'two', 9 => 'three', )
Output for 8.1.3
array ( 0 => 'three', 1 => 'four', 2 => 'two', 3 => 'four', 4 => 'two', 5 => 'three', 6 => 'two', 7 => 'four', 8 => 'one', 9 => 'three', )
Output for 8.1.2
array ( 0 => 'three', 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'two', 5 => 'one', 6 => 'four', 7 => 'two', 8 => 'three', 9 => 'four', )
Output for 8.1.1
array ( 0 => 'three', 1 => 'one', 2 => 'four', 3 => 'three', 4 => 'two', 5 => 'four', 6 => 'one', 7 => 'four', 8 => 'one', 9 => 'four', )
Output for 8.1.0
array ( 0 => 'three', 1 => 'two', 2 => 'three', 3 => 'four', 4 => 'three', 5 => 'four', 6 => 'two', 7 => 'four', 8 => 'one', 9 => 'three', )
Output for 8.0.25
array ( 0 => 'one', 1 => 'two', 2 => 'three', 3 => 'two', 4 => 'four', 5 => 'two', 6 => 'four', 7 => 'one', 8 => 'three', 9 => 'one', )
Output for 8.0.24
array ( 0 => 'one', 1 => 'two', 2 => 'three', 3 => 'one', 4 => 'four', 5 => 'two', 6 => 'four', 7 => 'one', 8 => 'three', 9 => 'four', )
Output for 8.0.23
array ( 0 => 'one', 1 => 'four', 2 => 'three', 3 => 'two', 4 => 'four', 5 => 'two', 6 => 'one', 7 => 'two', 8 => 'four', 9 => 'one', )
Output for 8.0.22
array ( 0 => 'four', 1 => 'one', 2 => 'three', 3 => 'four', 4 => 'one', 5 => 'two', 6 => 'one', 7 => 'two', 8 => 'one', 9 => 'four', )
Output for 8.0.21
array ( 0 => 'four', 1 => 'two', 2 => 'four', 3 => 'two', 4 => 'one', 5 => 'two', 6 => 'four', 7 => 'one', 8 => 'four', 9 => 'two', )
Output for 8.0.20
array ( 0 => 'three', 1 => 'four', 2 => 'three', 3 => 'four', 4 => 'three', 5 => 'two', 6 => 'three', 7 => 'four', 8 => 'one', 9 => 'two', )
Output for 8.0.19
array ( 0 => 'one', 1 => 'three', 2 => 'one', 3 => 'two', 4 => 'one', 5 => 'four', 6 => 'one', 7 => 'four', 8 => 'two', 9 => 'one', )
Output for 8.0.18
array ( 0 => 'four', 1 => 'one', 2 => 'three', 3 => 'four', 4 => 'three', 5 => 'four', 6 => 'three', 7 => 'four', 8 => 'one', 9 => 'three', )
Output for 8.0.17
array ( 0 => 'four', 1 => 'two', 2 => 'one', 3 => 'four', 4 => 'two', 5 => 'four', 6 => 'one', 7 => 'four', 8 => 'three', 9 => 'one', )
Output for 8.0.16
array ( 0 => 'four', 1 => 'three', 2 => 'four', 3 => 'three', 4 => 'one', 5 => 'four', 6 => 'one', 7 => 'four', 8 => 'two', 9 => 'three', )
Output for 8.0.15
array ( 0 => 'four', 1 => 'three', 2 => 'one', 3 => 'two', 4 => 'four', 5 => 'two', 6 => 'one', 7 => 'four', 8 => 'three', 9 => 'one', )
Output for 8.0.14
array ( 0 => 'three', 1 => 'two', 2 => 'three', 3 => 'four', 4 => 'three', 5 => 'two', 6 => 'one', 7 => 'three', 8 => 'one', 9 => 'four', )
Output for 8.0.13
array ( 0 => 'one', 1 => 'three', 2 => 'two', 3 => 'one', 4 => 'two', 5 => 'three', 6 => 'one', 7 => 'two', 8 => 'three', 9 => 'two', )
Output for 8.0.12
array ( 0 => 'three', 1 => 'two', 2 => 'four', 3 => 'one', 4 => 'three', 5 => 'one', 6 => 'three', 7 => 'two', 8 => 'three', 9 => 'four', )
Output for 8.0.11
array ( 0 => 'two', 1 => 'four', 2 => 'one', 3 => 'three', 4 => 'two', 5 => 'four', 6 => 'two', 7 => 'three', 8 => 'two', 9 => 'one', )
Output for 8.0.10
array ( 0 => 'one', 1 => 'four', 2 => 'three', 3 => 'one', 4 => 'four', 5 => 'one', 6 => 'three', 7 => 'four', 8 => 'two', 9 => 'one', )
Output for 8.0.9
array ( 0 => 'three', 1 => 'four', 2 => 'one', 3 => 'three', 4 => 'four', 5 => 'two', 6 => 'three', 7 => 'one', 8 => 'two', 9 => 'one', )
Output for 8.0.8
array ( 0 => 'two', 1 => 'four', 2 => 'three', 3 => 'two', 4 => 'one', 5 => 'four', 6 => 'two', 7 => 'one', 8 => 'three', 9 => 'two', )
Output for 8.0.7
array ( 0 => 'one', 1 => 'three', 2 => 'one', 3 => 'four', 4 => 'three', 5 => 'two', 6 => 'three', 7 => 'one', 8 => 'four', 9 => 'two', )
Output for 8.0.6
array ( 0 => 'one', 1 => 'two', 2 => 'four', 3 => 'three', 4 => 'four', 5 => 'three', 6 => 'two', 7 => 'one', 8 => 'four', 9 => 'two', )
Output for 8.0.5
array ( 0 => 'three', 1 => 'four', 2 => 'two', 3 => 'three', 4 => 'four', 5 => 'two', 6 => 'one', 7 => 'four', 8 => 'one', 9 => 'four', )
Output for 8.0.3
array ( 0 => 'two', 1 => 'three', 2 => 'one', 3 => 'four', 4 => 'one', 5 => 'three', 6 => 'two', 7 => 'three', 8 => 'four', 9 => 'two', )
Output for 8.0.2
array ( 0 => 'four', 1 => 'three', 2 => 'one', 3 => 'three', 4 => 'four', 5 => 'two', 6 => 'three', 7 => 'one', 8 => 'three', 9 => 'four', )
Output for 8.0.1
array ( 0 => 'one', 1 => 'three', 2 => 'one', 3 => 'three', 4 => 'one', 5 => 'four', 6 => 'one', 7 => 'three', 8 => 'one', 9 => 'three', )
Output for 7.4.32
array ( 0 => 'one', 1 => 'three', 2 => 'two', 3 => 'four', 4 => 'three', 5 => 'two', 6 => 'one', 7 => 'four', 8 => 'three', 9 => 'two', )
Output for 7.4.30
array ( 0 => 'four', 1 => 'one', 2 => 'three', 3 => 'one', 4 => 'two', 5 => 'one', 6 => 'two', 7 => 'four', 8 => 'two', 9 => 'four', )
Output for 7.4.29
array ( 0 => 'two', 1 => 'one', 2 => 'two', 3 => 'one', 4 => 'four', 5 => 'two', 6 => 'one', 7 => 'four', 8 => 'three', 9 => 'two', )
Output for 7.4.28
array ( 0 => 'three', 1 => 'four', 2 => 'one', 3 => 'three', 4 => 'four', 5 => 'three', 6 => 'two', 7 => 'one', 8 => 'three', 9 => 'two', )
Output for 7.4.27
array ( 0 => 'four', 1 => 'three', 2 => 'two', 3 => 'one', 4 => 'two', 5 => 'three', 6 => 'one', 7 => 'four', 8 => 'one', 9 => 'two', )
Output for 7.4.26
array ( 0 => 'three', 1 => 'one', 2 => 'four', 3 => 'two', 4 => 'four', 5 => 'three', 6 => 'one', 7 => 'four', 8 => 'one', 9 => 'two', )
Output for 7.4.25
array ( 0 => 'two', 1 => 'three', 2 => 'two', 3 => 'four', 4 => 'three', 5 => 'two', 6 => 'one', 7 => 'two', 8 => 'one', 9 => 'two', )
Output for 7.4.24
array ( 0 => 'four', 1 => 'three', 2 => 'one', 3 => 'four', 4 => 'two', 5 => 'one', 6 => 'three', 7 => 'one', 8 => 'four', 9 => 'three', )
Output for 7.4.23
array ( 0 => 'two', 1 => 'one', 2 => 'four', 3 => 'three', 4 => 'one', 5 => 'three', 6 => 'one', 7 => 'four', 8 => 'three', 9 => 'one', )
Output for 7.4.22
array ( 0 => 'four', 1 => 'two', 2 => 'three', 3 => 'two', 4 => 'one', 5 => 'three', 6 => 'four', 7 => 'three', 8 => 'one', 9 => 'two', )
Output for 7.4.21
array ( 0 => 'three', 1 => 'four', 2 => 'two', 3 => 'four', 4 => 'three', 5 => 'two', 6 => 'three', 7 => 'one', 8 => 'four', 9 => 'three', )
Output for 7.4.20
array ( 0 => 'three', 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'two', 5 => 'four', 6 => 'two', 7 => 'three', 8 => 'one', 9 => 'four', )
Output for 7.4.19
array ( 0 => 'four', 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'one', 5 => 'four', 6 => 'two', 7 => 'one', 8 => 'two', 9 => 'one', )
Output for 7.4.18
array ( 0 => 'two', 1 => 'four', 2 => 'one', 3 => 'four', 4 => 'one', 5 => 'four', 6 => 'three', 7 => 'one', 8 => 'three', 9 => 'four', )
Output for 7.4.16
array ( 0 => 'two', 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'two', 5 => 'three', 6 => 'one', 7 => 'three', 8 => 'four', 9 => 'one', )
Output for 7.4.15
array ( 0 => 'one', 1 => 'two', 2 => 'four', 3 => 'three', 4 => 'four', 5 => 'two', 6 => 'four', 7 => 'two', 8 => 'three', 9 => 'one', )
Output for 7.4.14
array ( 0 => 'three', 1 => 'four', 2 => 'one', 3 => 'four', 4 => 'three', 5 => 'one', 6 => 'three', 7 => 'two', 8 => 'four', 9 => 'two', )
Output for 7.4.13
array ( 0 => 'two', 1 => 'four', 2 => 'one', 3 => 'three', 4 => 'four', 5 => 'two', 6 => 'four', 7 => 'three', 8 => 'two', 9 => 'one', )
Output for 7.4.12
array ( 0 => 'four', 1 => 'two', 2 => 'four', 3 => 'three', 4 => 'two', 5 => 'three', 6 => 'one', 7 => 'two', 8 => 'one', 9 => 'two', )
Output for 7.4.11
array ( 0 => 'one', 1 => 'three', 2 => 'two', 3 => 'four', 4 => 'one', 5 => 'three', 6 => 'four', 7 => 'two', 8 => 'four', 9 => 'three', )
Output for 7.4.10
array ( 0 => 'three', 1 => 'one', 2 => 'two', 3 => 'three', 4 => 'four', 5 => 'two', 6 => 'one', 7 => 'four', 8 => 'two', 9 => 'three', )
Output for 7.4.9
array ( 0 => 'four', 1 => 'two', 2 => 'one', 3 => 'three', 4 => 'four', 5 => 'two', 6 => 'four', 7 => 'one', 8 => 'two', 9 => 'four', )
Output for 7.4.8
array ( 0 => 'three', 1 => 'four', 2 => 'one', 3 => 'four', 4 => 'three', 5 => 'four', 6 => 'three', 7 => 'one', 8 => 'four', 9 => 'three', )
Output for 7.4.7
array ( 0 => 'three', 1 => 'four', 2 => 'three', 3 => 'two', 4 => 'four', 5 => 'one', 6 => 'two', 7 => 'one', 8 => 'three', 9 => 'four', )
Output for 7.4.6
array ( 0 => 'one', 1 => 'four', 2 => 'one', 3 => 'three', 4 => 'two', 5 => 'one', 6 => 'four', 7 => 'three', 8 => 'one', 9 => 'four', )
Output for 7.4.5
array ( 0 => 'three', 1 => 'one', 2 => 'three', 3 => 'one', 4 => 'three', 5 => 'one', 6 => 'three', 7 => 'two', 8 => 'four', 9 => 'two', )
Output for 7.4.4
array ( 0 => 'two', 1 => 'one', 2 => 'three', 3 => 'two', 4 => 'three', 5 => 'four', 6 => 'two', 7 => 'one', 8 => 'four', 9 => 'two', )
Output for 7.4.3
array ( 0 => 'four', 1 => 'three', 2 => 'two', 3 => 'four', 4 => 'one', 5 => 'two', 6 => 'three', 7 => 'one', 8 => 'three', 9 => 'one', )
Output for 7.4.2
array ( 0 => 'two', 1 => 'three', 2 => 'four', 3 => 'two', 4 => 'four', 5 => 'three', 6 => 'one', 7 => 'three', 8 => 'two', 9 => 'four', )
Output for 7.4.1
array ( 0 => 'two', 1 => 'four', 2 => 'three', 3 => 'two', 4 => 'four', 5 => 'one', 6 => 'three', 7 => 'one', 8 => 'four', 9 => 'one', )
Output for 7.4.0
array ( 0 => 'one', 1 => 'four', 2 => 'three', 3 => 'four', 4 => 'three', 5 => 'one', 6 => 'three', 7 => 'four', 8 => 'two', 9 => 'three', )
preferences:
58.63 ms | 511 KiB | 5 Q