3v4l.org

run code in 300+ PHP versions simultaneously
<?php function merge() { return array_reduce(array_slice(func_get_args(), 1), 'array_merge', []); } var_dump(merge([1, 2, 3], [4, 5, 6]));

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)
8.3.60.0060.00918.29
8.3.50.0140.01022.12
8.3.40.0150.00018.42
8.3.30.0030.01218.98
8.3.20.0070.00020.13
8.3.10.0000.00823.68
8.3.00.0040.00719.25
8.2.180.0090.00616.32
8.2.170.0040.01122.96
8.2.160.0110.00720.53
8.2.150.0000.00924.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00322.08
8.2.110.0040.00420.34
8.2.100.0110.00017.91
8.2.90.0030.00519.09
8.2.80.0030.00517.97
8.2.70.0050.00317.50
8.2.60.0000.00817.91
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0070.00018.07
8.2.20.0000.00817.69
8.2.10.0040.00418.11
8.2.00.0000.00917.55
8.1.280.0150.00625.92
8.1.270.0050.00323.90
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00023.79
8.1.230.0110.00018.96
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0050.00417.23
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0090.00021.93
8.1.150.0000.00718.73
8.1.140.0040.00417.34
8.1.130.0040.00417.77
8.1.120.0070.00017.45
8.1.110.0050.00217.32
8.1.100.0080.00017.40
8.1.90.0040.00417.26
8.1.80.0070.00017.35
8.1.70.0030.00317.31
8.1.60.0060.00317.44
8.1.50.0040.00417.35
8.1.40.0030.00617.34
8.1.30.0000.00817.55
8.1.20.0030.00617.57
8.1.10.0040.00417.46
8.1.00.0050.00217.32
8.0.300.0000.00718.77
8.0.290.0050.00216.63
8.0.280.0040.00418.25
8.0.270.0070.00017.20
8.0.260.0030.00317.09
8.0.250.0000.00716.91
8.0.240.0030.00316.86
8.0.230.0070.00016.85
8.0.220.0030.00516.72
8.0.210.0000.00616.81
8.0.200.0060.00316.88
8.0.190.0040.00416.90
8.0.180.0000.00816.80
8.0.170.0030.00616.73
8.0.160.0080.00016.88
8.0.150.0000.00816.69
8.0.140.0070.00016.79
8.0.130.0030.00313.25
8.0.120.0040.00416.80
8.0.110.0000.00816.79
8.0.100.0040.00416.78
8.0.90.0000.00716.74
8.0.80.0110.01116.82
8.0.70.0070.00016.87
8.0.60.0040.00416.89
8.0.50.0050.00216.71
8.0.30.0120.01217.08
8.0.20.0130.00817.40
8.0.10.0000.00816.80
8.0.00.0080.00916.62
7.4.330.0050.00015.00
7.4.320.0060.00016.43
7.4.300.0000.00716.57
7.4.290.0040.00416.50
7.4.280.0030.00616.48
7.4.270.0030.00316.53
7.4.260.0000.00716.49
7.4.250.0060.00316.32
7.4.240.0050.00216.56
7.4.230.0070.00016.36
7.4.220.0090.00916.47
7.4.210.0150.00616.54
7.4.200.0050.00216.46
7.4.160.0030.01216.42
7.4.150.0070.01117.40
7.4.140.0090.00917.86
7.4.130.0090.01016.54
7.4.120.0100.00616.47
7.4.110.0100.00916.44
7.4.100.0090.00916.38
7.4.90.0130.00516.31
7.4.80.0160.00319.39
7.4.70.0060.01016.52
7.4.60.0190.00016.51
7.4.50.0040.00416.35
7.4.40.0090.01216.45
7.4.30.0070.01016.47
7.4.00.0090.00814.69
7.3.330.0030.00313.06
7.3.320.0000.00613.10
7.3.310.0000.00716.05
7.3.300.0030.00316.18
7.3.290.0060.00916.25
7.3.280.0090.01016.17
7.3.270.0120.00617.40
7.3.260.0120.00616.53
7.3.250.0120.00616.34
7.3.240.0050.01316.51
7.3.230.0100.00716.49
7.3.210.0110.00816.31
7.3.200.0160.00419.39
7.3.190.0130.00416.32
7.3.180.0130.00316.59
7.3.170.0130.00316.52
7.3.160.0090.01216.48
7.3.120.0090.00914.44
7.3.110.0070.01114.72
7.3.100.0040.01114.61
7.3.90.0060.00614.67
7.3.80.0060.00914.71
7.3.70.0000.00814.90
7.3.60.0130.00314.65
7.3.50.0030.01414.83
7.3.40.0080.00614.42
7.3.30.0070.00714.82
7.3.20.0030.01016.65
7.3.10.0000.01416.66
7.3.00.0040.01116.77
7.2.330.0070.01016.66
7.2.320.0100.00616.52
7.2.310.0130.00316.62
7.2.300.0100.00716.29
7.2.290.0070.01016.37
7.2.250.0060.01214.86
7.2.240.0150.00414.88
7.2.230.0000.01615.05
7.2.220.0050.00514.64
7.2.210.0030.01214.84
7.2.200.0110.00014.87
7.2.190.0040.01115.11
7.2.180.0060.00614.91
7.2.170.0070.00714.68
7.2.60.0030.01016.52
7.2.00.0040.01119.34
7.1.330.0070.00715.65
7.1.320.0030.01415.58
7.1.310.0070.00715.68
7.1.300.0080.00815.64
7.1.290.0030.00915.52
7.1.280.0110.00415.63
7.1.270.0000.01215.45
7.1.260.0030.01415.70
7.1.200.0090.00315.75
7.1.101.2240.00716.21
7.1.70.0040.00717.12
7.1.60.0130.01019.32
7.1.50.0230.01634.68
7.1.00.0100.07322.41
7.0.200.0000.00916.61
7.0.140.0030.07322.04
7.0.60.0070.08319.86
7.0.50.0000.04317.86
7.0.40.0100.08320.14
7.0.30.0270.07020.21
7.0.20.0300.06720.09
7.0.10.0070.05720.07
7.0.00.0070.05720.33
5.6.280.0130.06321.16
5.6.210.0170.08020.67
5.6.200.0100.08018.16
5.6.190.0030.04720.40
5.6.180.0270.03720.58
5.6.170.0270.08320.57
5.6.160.0070.04020.39
5.6.150.0130.07318.23
5.6.140.0030.08718.18
5.6.130.0030.08018.20
5.6.120.0030.04320.95
5.6.110.0200.07321.17
5.6.100.0030.08721.12
5.6.90.0100.07720.98
5.6.80.0200.05320.39
5.5.350.0200.05720.29
5.5.340.0170.07018.07
5.5.330.0100.09020.43
5.5.320.0230.04720.36
5.5.310.0230.05320.37
5.5.300.0000.04018.07
5.5.290.0030.04018.04
5.5.280.0100.08020.77
5.5.270.0070.07320.87
5.5.260.0100.08020.76
5.5.250.0170.07020.64
5.5.240.0270.06720.24
5.4.450.0130.05319.48
5.4.440.0530.05019.59
5.4.430.0500.07719.55
5.4.420.0670.00019.68
5.4.410.0630.00019.42
5.4.400.0630.00019.16
5.4.390.0600.00019.16
5.4.380.0830.00019.21
5.4.370.0600.00019.11
5.4.360.0630.00019.26
5.4.350.0630.00019.04
5.4.340.0040.03512.02
5.4.320.0070.03412.50
5.4.310.0030.04012.50
5.4.300.0070.03812.50
5.4.290.0090.03912.50
5.4.280.0070.03512.40
5.4.270.0050.03812.40
5.4.260.0080.03512.39
5.4.250.0060.04512.39
5.4.240.0020.03912.40
5.4.230.0080.03612.39
5.4.220.0070.03712.39
5.4.210.0050.03712.39
5.4.200.0110.04712.39
5.4.190.0130.03812.38
5.4.180.0030.03812.39
5.4.170.0060.03612.40
5.4.160.0110.03012.39
5.4.150.0070.03512.39
5.4.140.0080.03512.07
5.4.130.0060.03612.06
5.4.120.0080.03412.02
5.4.110.0050.04512.02
5.4.100.0050.04012.02
5.4.90.0050.03812.02
5.4.80.0060.03612.01
5.4.70.0040.03612.01
5.4.60.0060.04312.01
5.4.50.0060.04012.00
5.4.40.0050.04211.99
5.4.30.0070.04111.99
5.4.20.0050.03612.00
5.4.10.0070.03312.00
5.4.00.0050.04011.48
5.3.290.0110.03812.80
5.3.280.0200.06212.70
5.3.270.0070.04012.73
5.3.260.0090.03712.71
5.3.250.0050.03812.72
5.3.240.0070.04112.72
5.3.230.0090.03612.71
5.3.220.0050.03912.68
5.3.210.0060.03912.68
5.3.200.0060.03612.68
5.3.190.0090.04012.68
5.3.180.0060.03612.67
5.3.170.0050.03912.66
5.3.160.0020.04112.67
5.3.150.0080.03512.67
5.3.140.0070.03612.66
5.3.130.0060.04412.66
5.3.120.0040.04312.66
5.3.110.0050.04012.66
5.3.100.0100.03712.13
5.3.90.0080.04412.11
5.3.80.0100.03512.09
5.3.70.0080.04112.09
5.3.60.0060.03812.08
5.3.50.0050.03712.02
5.3.40.0060.03812.02
5.3.30.0040.04511.98
5.3.20.0040.04011.77
5.3.10.0110.03411.73
5.3.00.0090.04211.71
5.2.170.0050.0319.22
5.2.160.0090.0329.22
5.2.150.0030.0349.21
5.2.140.0030.0339.21
5.2.130.0080.0289.18
5.2.120.0070.0299.18
5.2.110.0030.0379.18
5.2.100.0040.0299.18
5.2.90.0060.0289.18
5.2.80.0050.0309.17
5.2.70.0050.0309.17
5.2.60.0020.0339.13
5.2.50.0050.0359.09
5.2.40.0030.0309.07
5.2.30.0050.0309.05
5.2.20.0070.0269.05
5.2.10.0060.0278.95
5.2.00.0050.0308.80
5.1.60.0030.0258.09
5.1.50.0080.0268.08
5.1.40.0040.0288.07
5.1.30.0040.0298.42
5.1.20.0050.0328.44
5.1.10.0030.0318.16
5.1.00.0020.0318.16
5.0.50.0040.0226.64
5.0.40.0060.0176.50
5.0.30.0010.0336.31
5.0.20.0050.0186.28
5.0.10.0040.0196.25
5.0.00.0030.0316.25
4.4.90.0030.0154.78
4.4.80.0060.0144.76
4.4.70.0030.0174.75
4.4.60.0030.0154.76
4.4.50.0010.0234.77
4.4.40.0010.0274.71
4.4.30.0040.0154.76
4.4.20.0040.0144.84
4.4.10.0040.0164.85
4.4.00.0040.0264.76
4.3.110.0040.0144.67
4.3.100.0020.0154.67
4.3.90.0000.0214.63
4.3.80.0020.0284.58
4.3.70.0040.0184.63
4.3.60.0030.0144.63
4.3.50.0070.0164.63
4.3.40.0040.0274.53
4.3.30.0020.0163.30
4.3.20.0020.0163.27
4.3.10.0050.0183.24
4.3.00.0170.0177.14

preferences:
47.61 ms | 401 KiB | 5 Q