3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = array(1,2,3); $f = array(array(2),3,4); $c = array(array_merge($a, $b, $f)); $d = array_unique($c); var_dump($d);

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)
8.3.40.0110.00418.62
8.3.30.0110.00319.10
8.3.20.0040.00420.33
8.3.10.0050.00320.59
8.3.00.0040.00419.25
8.2.170.0140.00022.96
8.2.160.0070.00720.45
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00021.09
8.2.110.0000.01119.33
8.2.100.0090.00317.78
8.2.90.0040.00419.13
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0030.00517.93
8.2.50.0000.00918.07
8.2.40.0060.00318.22
8.2.30.0100.00019.44
8.2.20.0000.00717.60
8.2.10.0040.00419.80
8.2.00.0070.00017.80
8.1.270.0040.00423.78
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0040.00422.32
8.1.230.0060.00621.04
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.38
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0040.00418.70
8.1.160.0000.00722.11
8.1.150.0000.00718.93
8.1.140.0030.00517.57
8.1.130.0030.00317.76
8.1.120.0050.00217.37
8.1.110.0030.00517.41
8.1.100.0070.00017.35
8.1.90.0000.00717.47
8.1.80.0040.00417.34
8.1.70.0030.00317.46
8.1.60.0030.00617.64
8.1.50.0040.00417.42
8.1.40.0030.00617.50
8.1.30.0030.00517.54
8.1.20.0030.00617.69
8.1.10.0000.00917.48
8.1.00.0050.00217.30
8.0.300.0000.00818.77
8.0.290.0020.00516.75
8.0.280.0070.00018.45
8.0.270.0030.00317.29
8.0.260.0000.00717.15
8.0.250.0000.00716.92
8.0.240.0000.00716.88
8.0.230.0050.00316.93
8.0.220.0070.00016.88
8.0.210.0000.00716.92
8.0.200.0000.00617.01
8.0.190.0000.00716.81
8.0.180.0040.00416.81
8.0.170.0040.00416.99
8.0.160.0050.00316.95
8.0.150.0000.00716.89
8.0.140.0030.00516.82
8.0.130.0000.00813.32
8.0.120.0040.00416.81
8.0.110.0000.00716.82
8.0.100.0040.00416.90
8.0.90.0030.00516.91
8.0.80.0030.01216.86
8.0.70.0070.00016.66
8.0.60.0000.00716.75
8.0.50.0040.00416.93
8.0.30.0110.00817.08
8.0.20.0140.01117.40
8.0.10.0040.00416.96
8.0.00.0090.00916.92
7.4.330.0050.00015.13
7.4.320.0040.00416.64
7.4.300.0000.00616.47
7.4.290.0000.00716.48
7.4.280.0060.00616.44
7.4.270.0000.00716.52
7.4.260.0000.00716.58
7.4.250.0000.00716.60
7.4.240.0030.00516.41
7.4.230.0070.00016.67
7.4.220.0030.01416.40
7.4.210.0040.01116.70
7.4.200.0040.00416.49
7.4.160.0120.00816.34
7.4.150.0060.01217.40
7.4.140.0110.00717.86
7.4.130.0110.00816.61
7.4.120.0080.01016.53
7.4.110.0080.00816.59
7.4.100.0030.02216.60
7.4.90.0180.00016.54
7.4.80.0140.01019.39
7.4.70.0080.00816.35
7.4.60.0100.00716.68
7.4.50.0040.00416.63
7.4.40.0110.00416.52
7.4.30.0040.01916.43
7.4.00.0060.01015.00
7.3.330.0050.00013.13
7.3.320.0030.00312.90
7.3.310.0030.00316.05
7.3.300.0000.00616.20
7.3.290.0030.01716.11
7.3.280.0080.00716.17
7.3.270.0110.00817.40
7.3.260.0050.01116.23
7.3.250.0060.01316.22
7.3.240.0090.01216.45
7.3.230.0090.00916.39
7.3.210.0000.01716.24
7.3.200.0090.00919.39
7.3.190.0090.00816.43
7.3.180.0110.00516.31
7.3.170.0040.01316.27
7.3.160.0080.00816.30
7.3.120.0100.00614.82
7.3.110.0040.00814.90
7.3.100.0060.00914.50
7.3.90.0060.00614.73
7.3.80.0030.01014.64
7.3.70.0080.00614.96
7.3.60.0070.00714.57
7.3.50.0110.00314.77
7.3.40.0060.00614.80
7.3.30.0110.00314.90
7.3.20.0080.00416.70
7.3.10.0070.00716.61
7.3.00.0080.00816.59
7.2.330.0120.01216.64
7.2.320.0090.00916.73
7.2.310.0100.01016.65
7.2.300.0030.01516.28
7.2.290.0110.00516.37
7.2.250.0080.01114.90
7.2.240.0130.00315.20
7.2.230.0070.01115.16
7.2.220.0070.00714.78
7.2.210.0070.00414.93
7.2.200.0070.01014.79
7.2.190.0000.00915.04
7.2.180.0070.00714.92
7.2.170.0030.01015.11
7.2.60.0070.00316.96
7.2.00.0000.01619.34
7.1.330.0030.01015.89
7.1.320.0110.00315.87
7.1.310.0000.01115.74
7.1.300.0040.00715.76
7.1.290.0060.00915.48
7.1.280.0070.00715.68
7.1.270.0030.00915.46
7.1.260.0030.01015.73
7.1.200.0060.00615.75
7.1.100.0000.01118.29
7.1.70.0000.00817.20
7.1.60.0030.01319.61
7.1.50.0090.01516.88
7.1.00.0030.06722.37
7.0.200.0040.00416.63
7.0.140.0170.06022.09
7.0.60.0070.04019.90
7.0.50.0100.07317.79
7.0.40.0100.06719.98
7.0.30.0500.07020.13
7.0.20.0330.07320.00
7.0.10.0100.07020.04
7.0.00.0070.08020.29
5.6.280.0100.06721.06
5.6.210.0070.08320.50
5.6.200.0070.04018.18
5.6.190.0130.08020.61
5.6.180.0530.06720.41
5.6.170.0100.04320.50
5.6.160.0130.07720.38
5.6.150.0130.07318.18
5.6.140.0170.04318.14
5.6.130.0070.08018.10
5.6.120.0030.05320.88
5.6.110.0100.07020.99
5.6.100.0100.08720.96
5.6.90.0070.06320.98
5.6.80.0030.06020.27
5.5.350.0170.08320.43
5.5.340.0100.07317.88
5.5.330.0070.08020.14
5.5.320.0070.04720.26
5.5.310.0300.06020.21
5.5.300.0070.08017.98
5.5.290.0130.08017.93
5.5.280.0030.08320.66
5.5.270.0100.07020.70
5.5.260.0030.05720.88
5.5.250.0170.07320.66
5.5.240.0070.08320.22
5.4.450.0230.03719.41
5.4.440.0370.04719.12
5.4.430.0370.06019.25
5.4.420.0700.06019.66
5.4.410.0400.07019.23
5.4.400.0670.05319.13
5.4.390.0030.06019.16
5.4.380.0300.07018.64
5.4.370.0130.06318.64
5.4.360.0230.06018.65
5.4.350.0230.07018.51
5.4.340.0230.05318.64
5.4.320.0090.06212.45
5.4.310.0090.03912.45
5.4.300.0070.04212.45
5.4.290.0080.03712.45
5.4.280.0100.03412.34
5.4.270.0070.03712.35
5.4.260.0060.03812.34
5.4.250.0070.03812.35
5.4.240.0080.03412.34
5.4.230.0060.03812.34
5.4.220.0110.03112.34
5.4.210.0040.03712.34
5.4.200.0080.03512.34
5.4.190.0060.03512.34
5.4.180.0080.03412.33
5.4.170.0060.03512.34
5.4.160.0060.03512.34
5.4.150.0080.03312.34
5.4.140.0080.03512.02
5.4.130.0090.03212.01
5.4.120.0110.03711.97
5.4.110.0100.04611.96
5.4.100.0100.04111.96
5.4.90.0050.04511.96
5.4.80.0060.03811.96
5.4.70.0070.03411.96
5.4.60.0060.03611.96
5.4.50.0090.03411.96
5.4.40.0100.03511.95
5.4.30.0070.04211.95
5.4.20.0060.04111.95
5.4.10.0060.03511.95
5.4.00.0060.03911.44
5.3.290.0090.04012.80
5.3.280.0090.03612.71
5.3.270.0080.03912.72
5.3.260.0040.04612.72
5.3.250.0100.03812.72
5.3.240.0070.03712.72
5.3.230.0070.03612.71
5.3.220.0150.03312.68
5.3.210.0080.03712.68
5.3.200.0020.03912.68
5.3.190.0050.03812.68
5.3.180.0060.03712.67
5.3.170.0050.03812.67
5.3.160.0070.03412.67
5.3.150.0060.03812.67
5.3.140.0100.03312.66
5.3.130.0070.03812.66
5.3.120.0060.03812.66
5.3.110.0060.03912.66
5.3.100.0060.03812.12
5.3.90.0070.03512.08
5.3.80.0050.03712.07
5.3.70.0050.03712.07
5.3.60.0070.03512.07
5.3.50.0050.03712.00
5.3.40.0030.03912.00
5.3.30.0100.03011.94
5.3.20.0060.03711.72
5.3.10.0050.03511.69
5.3.00.0080.03411.67
5.2.170.0040.0329.18
5.2.160.0020.0329.18
5.2.150.0070.0309.18
5.2.140.0050.0319.18
5.2.130.0030.0319.13
5.2.120.0040.0299.14
5.2.110.0060.0289.14
5.2.100.0060.0279.14
5.2.90.0060.0289.14
5.2.80.0050.0309.13
5.2.70.0040.0319.14
5.2.60.0060.0299.09
5.2.50.0050.0309.05
5.2.40.0070.0279.03
5.2.30.0080.0309.01
5.2.20.0050.0309.00
5.2.10.0040.0318.92
5.2.00.0040.0328.77
5.1.60.0020.0278.06
5.1.50.0040.0258.06
5.1.40.0060.0258.04
5.1.30.0040.0288.39
5.1.20.0060.0298.41
5.1.10.0030.0288.14
5.1.00.0030.0278.14
5.0.50.0060.0216.62
5.0.40.0030.0216.48
5.0.30.0040.0316.29
5.0.20.0060.0186.26
5.0.10.0060.0186.24
5.0.00.0060.0286.23
4.4.90.0060.0124.78
4.4.80.0030.0154.76
4.4.70.0030.0164.76
4.4.60.0010.0184.75
4.4.50.0050.0134.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0030.0164.85
4.4.10.0030.0154.85
4.4.00.0040.0244.76
4.3.110.0020.0174.67
4.3.100.0030.0204.66
4.3.90.0030.0154.63
4.3.80.0040.0254.59
4.3.70.0030.0144.63
4.3.60.0070.0104.63
4.3.50.0040.0164.63
4.3.40.0080.0204.54
4.3.30.0060.0143.29
4.3.20.0050.0153.27
4.3.10.0020.0183.21
4.3.00.0130.01313.92

preferences:
43.1 ms | 400 KiB | 5 Q