3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [1 => 'french', 2 => 'dutch'], [1 => 'french', 3 => 'english'], [1 => 'dutch'], [4 => 'swedish'], ]; var_dump(array_unique(array_merge(...$array)));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.00.0130.00919.84
8.4.150.0030.00014.05
8.4.140.0110.01317.36
8.4.130.0080.01220.33
8.4.120.0110.00520.54
8.4.110.0090.01218.62
8.4.100.0120.00918.84
8.4.90.0130.00720.48
8.4.80.0030.00618.76
8.4.70.0040.00417.72
8.4.60.0120.00918.71
8.4.50.0110.00819.23
8.4.40.0090.00620.98
8.4.30.0130.00317.42
8.4.20.0100.01017.53
8.4.10.0090.00619.39
8.3.280.0130.00718.23
8.3.270.0130.00616.23
8.3.260.0120.00716.29
8.3.250.0110.00718.63
8.3.240.0100.01117.20
8.3.230.0100.00816.59
8.3.220.0040.00318.98
8.3.210.0100.00718.24
8.3.200.0050.00416.29
8.3.190.0130.00516.39
8.3.180.0090.00916.50
8.3.170.0110.00716.86
8.3.160.0120.00618.34
8.3.150.0060.01318.35
8.3.140.0150.00317.02
8.3.130.0040.00416.93
8.3.120.0030.00518.70
8.3.110.0080.00020.94
8.3.100.0060.00324.06
8.3.90.0000.00726.77
8.3.80.0090.00017.97
8.3.70.0070.01116.63
8.3.60.0070.01416.47
8.3.50.0110.00722.05
8.3.40.0060.00918.84
8.3.30.0100.00618.59
8.3.20.0080.00018.75
8.3.10.0070.00023.83
8.3.00.0030.00622.44
8.2.290.0120.00716.90
8.2.280.0040.00518.39
8.2.270.0120.00616.85
8.2.260.0110.00718.11
8.2.250.0050.00316.70
8.2.240.0030.01718.64
8.2.230.0040.00722.58
8.2.220.0060.00337.54
8.2.210.0040.00426.77
8.2.200.0030.00616.50
8.2.190.0130.00316.58
8.2.180.0030.01018.29
8.2.170.0120.00922.96
8.2.160.0100.00320.41
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00420.73
8.2.110.0000.00922.13
8.2.100.0040.00819.45
8.2.90.0040.00417.50
8.2.80.0040.00418.79
8.2.70.0030.00517.49
8.2.60.0040.00417.93
8.2.50.0050.00518.07
8.2.40.0040.00418.16
8.2.30.0040.00418.04
8.2.20.0020.00517.48
8.2.10.0040.00417.92
8.2.00.0000.00717.77
8.1.330.0090.01117.82
8.1.320.0080.00117.98
8.1.310.0080.00618.17
8.1.300.0040.00418.30
8.1.290.0060.00330.84
8.1.280.0110.01125.92
8.1.270.0050.00323.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.91
8.1.230.0110.00021.05
8.1.220.0000.00817.76
8.1.210.0050.00518.77
8.1.200.0030.00617.35
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0040.00418.97
8.1.160.0040.00418.81
8.1.150.0040.00418.80
8.1.140.0000.00719.41
8.1.130.0000.00717.61
8.1.120.0040.00417.28
8.1.110.0000.00717.30
8.1.100.0000.00717.28
8.1.90.0000.00717.35
8.1.80.0030.00317.45
8.1.70.0030.00317.41
8.1.60.0040.00417.43
8.1.50.0000.00817.38
8.1.40.0050.00317.43
8.1.30.0040.00417.57
8.1.20.0110.00017.64
8.1.10.0040.00417.34
8.1.00.0050.00217.26
8.0.300.0060.00318.77
8.0.290.0080.00016.63
8.0.280.0000.00718.41
8.0.270.0040.00416.75
8.0.260.0000.00716.75
8.0.250.0070.00016.91
8.0.240.0030.00316.90
8.0.230.0040.00416.91
8.0.220.0000.00716.75
8.0.210.0030.00316.86
8.0.200.0030.00316.88
8.0.190.0000.00716.89
8.0.180.0040.00416.75
8.0.170.0040.00416.86
8.0.160.0000.00816.82
8.0.150.0000.00716.79
8.0.140.0000.00716.70
8.0.130.0060.00013.20
8.0.120.0000.00816.75
8.0.110.0040.00416.85
8.0.100.0070.00016.70
8.0.90.0030.00316.79
8.0.80.0110.00416.79
8.0.70.0050.00316.67
8.0.60.0000.00816.70
8.0.50.0030.00516.84
8.0.30.0130.00616.93
8.0.20.0100.00917.40
8.0.10.0040.00417.05
8.0.00.0130.01016.76
7.4.330.0030.00315.08
7.4.320.0060.00016.50
7.4.300.0000.00616.52
7.4.290.0090.00016.44
7.4.280.0080.00016.50
7.4.270.0030.00316.41
7.4.260.0070.00016.53
7.4.250.0000.00716.47
7.4.240.0050.00216.50
7.4.230.0070.00016.22
7.4.220.0000.01816.52
7.4.210.0090.00616.52
7.4.200.0040.00416.43
7.4.160.0040.01216.28
7.4.150.0060.01217.40
7.4.140.0070.01117.86
7.4.130.0090.00716.36
7.4.120.0130.00316.37
7.4.110.0120.00416.44
7.4.100.0110.00516.20
7.4.90.0100.00716.50
7.4.80.0100.00619.39
7.4.70.0170.00016.32
7.4.60.0090.01216.18
7.4.50.0090.00916.24
7.4.40.0170.00016.36
7.4.30.0030.01216.33
7.4.00.0070.00415.11
7.3.330.0060.00012.86
7.3.320.0050.00012.88
7.3.310.0040.00416.15
7.3.300.0040.00416.11
7.3.290.0090.00716.09
7.3.280.0090.00816.13
7.3.270.0100.00717.40
7.3.260.0100.00716.25
7.3.250.0080.00916.21
7.3.240.0110.01116.32
7.3.230.0050.01016.39
7.3.210.0070.01016.29
7.3.200.0130.00316.35
7.3.190.0110.00616.15
7.3.180.0060.01616.20
7.3.170.0060.01016.11
7.3.160.0120.00616.22
7.2.330.0030.02016.61
7.2.320.0180.00016.27
7.2.310.0070.01016.56
7.2.300.0060.00916.45
7.2.290.0090.00916.32
7.2.60.0030.00916.50
7.2.00.0030.01019.30
7.1.200.0030.01015.75
7.1.70.0000.00817.01
7.1.60.0230.01017.23
7.1.00.0070.07322.44
7.0.200.0870.00314.43
7.0.100.0130.05320.07
7.0.90.0130.05319.89
7.0.80.0070.06020.12
7.0.70.0130.05320.12
7.0.60.0200.06719.96
7.0.50.0100.06020.41
7.0.40.0130.05720.23
7.0.30.0130.06020.45
7.0.20.0100.06020.34
7.0.10.0100.06020.41
7.0.00.0130.06020.31
5.6.250.0130.06320.82
5.6.240.0100.06020.54
5.6.230.0100.06320.60
5.6.220.0170.04720.66
5.6.210.0230.04020.66
5.6.200.0070.07021.02
5.6.190.0070.06021.02
5.6.180.0070.07021.06
5.6.170.0130.05721.14
5.6.160.0130.05721.07
5.6.150.0070.06021.02
5.6.140.0230.04721.16
5.6.130.0130.05321.10
5.6.120.0070.06321.07
5.6.110.0070.06021.04
5.6.100.0100.05321.06
5.6.90.0270.04020.95
5.6.80.0170.04720.40
5.6.70.0270.05720.46
5.6.60.0070.06320.45
5.6.50.0070.05720.44
5.6.40.0070.05720.53
5.6.30.0170.04720.43
5.6.20.0170.04720.36
5.6.10.0070.05720.43
5.6.00.0070.05720.46

preferences:
31.08 ms | 403 KiB | 5 Q