3v4l.org

run code in 300+ PHP versions simultaneously
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.17, 8.4.1 - 8.4.4
Input:Array ( [0] => 1 [1] => 2 [2] => 2 [3] => 0 [4] => -1 [5] => 1 [a] => c [b] => a [c] => c ) array_unique: Array ( [0] => 1 [1] => 2 [3] => 0 [4] => -1 [a] => c [b] => a ) Replacement #1: Array ( [0] => 1 [1] => 2 [2] => 0 [3] => -1 [4] => c [5] => a ) Replacement #2: Array ( [0] => 1 [1] => 2 [3] => 0 [4] => -1 [a] => c [b] => a ) Replacement #3: Array ( [a] => c [b] => a [0] => 1 [4] => -1 [3] => 0 [1] => 2 ) Replacement #4: Array ( [0] => 1 [1] => 2 [2] => 0 [3] => -1 [4] => c [5] => a ) Replacement #5: Array ( [5] => 1 [2] => 2 [3] => 0 [4] => -1 [c] => c [b] => a )

preferences:
156.87 ms | 419 KiB | 6 Q