3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = Array( Array ( 0 => 1, 1 => 2, 2 => 3, 3 => 4 ), Array ( 0 => 2, 1 => "aaa" ) ); $result = call_user_func_array("array_merge", $input); var_export($result);

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)
8.3.60.0070.00716.63
8.3.50.0170.00621.90
8.3.40.0090.00618.79
8.3.30.0110.00318.80
8.3.20.0040.00420.09
8.3.10.0080.00023.47
8.3.00.0040.00419.38
8.2.180.0100.01018.41
8.2.170.0070.00722.96
8.2.160.0100.00320.53
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0030.01026.16
8.2.120.0040.00422.27
8.2.110.0080.00019.37
8.2.100.0120.00017.84
8.2.90.0040.00418.22
8.2.80.0090.00017.97
8.2.70.0040.00417.50
8.2.60.0050.00317.80
8.2.50.0030.00618.10
8.2.40.0040.00420.59
8.2.30.0040.00419.66
8.2.20.0040.00417.49
8.2.10.0040.00418.02
8.2.00.0040.00417.55
8.1.280.0120.00325.92
8.1.270.0040.00423.96
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0100.00023.77
8.1.230.0000.01120.96
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.09
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0040.00418.52
8.1.160.0020.00522.09
8.1.150.0110.00018.58
8.1.140.0030.00617.32
8.1.130.0070.00017.82
8.1.120.0040.00417.29
8.1.110.0040.00417.43
8.1.100.0070.00017.27
8.1.90.0000.00717.32
8.1.80.0100.00017.37
8.1.70.0030.00317.31
8.1.60.0060.00317.40
8.1.50.0000.00817.47
8.1.40.0080.00017.48
8.1.30.0030.00617.58
8.1.20.0060.00317.54
8.1.10.0030.00517.29
8.1.00.0000.00817.39
8.0.300.0080.00019.80
8.0.290.0050.00316.63
8.0.280.0000.00718.42
8.0.270.0080.00017.09
8.0.260.0030.00317.17
8.0.250.0030.00316.76
8.0.240.0030.00316.76
8.0.230.0000.00616.77
8.0.220.0070.00016.84
8.0.210.0000.00716.80
8.0.200.0000.00716.88
8.0.190.0060.00316.79
8.0.180.0040.00416.86
8.0.170.0000.00916.74
8.0.160.0000.00716.69
8.0.150.0030.00316.76
8.0.140.0040.00416.79
8.0.130.0060.00013.23
8.0.120.0080.00016.74
8.0.110.0050.00316.71
8.0.100.0040.00416.67
8.0.90.0000.00716.68
8.0.80.0040.01416.75
8.0.70.0040.00416.66
8.0.60.0040.00416.78
8.0.50.0030.00316.71
8.0.30.0110.00816.98
8.0.20.0120.00917.40
8.0.10.0040.00416.81
8.0.00.0120.00516.68
7.4.330.0030.00315.00
7.4.320.0000.00616.57
7.4.300.0040.00416.56
7.4.290.0040.00416.42
7.4.280.0000.00816.28
7.4.270.0000.00716.43
7.4.260.0040.00416.41
7.4.250.0000.00816.34
7.4.240.0050.00216.45
7.4.230.0040.00416.57
7.4.220.0100.00716.61
7.4.210.0070.00716.51
7.4.200.0000.00716.42
7.4.190.0000.00716.33
7.4.160.0090.00916.32
7.4.150.0180.00417.40
7.4.140.0120.00517.86
7.4.130.0060.01116.28
7.4.120.0080.00816.31
7.4.110.0100.01016.50
7.4.100.0160.00316.21
7.4.90.0040.01316.47
7.4.80.0070.01119.39
7.4.70.0090.00616.46
7.4.60.0030.01316.27
7.4.50.0040.00416.25
7.4.40.0120.01216.38
7.4.30.0080.00816.40
7.4.00.0000.01714.83
7.3.330.0060.00513.12
7.3.320.0030.00313.07
7.3.310.0030.00316.09
7.3.300.0000.00616.05
7.3.290.0060.01316.20
7.3.280.0100.00716.19
7.3.270.0070.01017.40
7.3.260.0070.01016.43
7.3.250.0120.00716.29
7.3.240.0090.00616.43
7.3.230.0130.00316.49
7.3.210.0160.00316.35
7.3.200.0110.00719.39
7.3.190.0030.01316.10
7.3.180.0060.01015.99
7.3.170.0120.00816.27
7.3.160.0100.00616.33
7.3.120.0060.01014.70
7.2.330.0160.00616.29
7.2.320.0090.00916.21
7.2.310.0130.01016.23
7.2.300.0040.01216.45
7.2.290.0030.01716.55
7.2.00.0070.01119.09
7.1.100.0180.00917.77
7.1.70.0130.01317.25
7.1.60.0090.01519.46
7.1.50.0000.02516.92
7.1.00.0030.07722.42
7.0.200.0180.00714.59
7.0.140.0030.07322.15
7.0.60.0170.06019.91
7.0.50.0070.07717.66
7.0.40.0070.05020.23
7.0.30.0300.07320.16
7.0.20.0230.07720.01
7.0.10.0070.04020.20
7.0.00.0030.04020.31
5.6.280.0070.07021.10
5.6.210.0130.06320.46
5.6.200.0070.08018.18
5.6.190.0100.07320.39
5.6.180.0600.03720.57
5.6.170.0300.07020.54
5.6.160.0030.04320.48
5.6.150.0100.07018.16
5.6.140.0030.04718.22
5.6.130.0100.08718.16
5.6.120.0070.08020.98
5.6.110.0030.07720.98
5.6.100.0070.07721.00
5.6.90.0030.04720.96
5.6.80.0130.04720.35
5.5.350.3300.04720.44
5.5.340.0100.07717.98
5.5.330.0100.08020.36
5.5.320.0300.07720.18
5.5.310.0230.05020.41
5.5.300.0000.04317.95
5.5.290.0000.04317.95
5.5.280.0070.03720.97
5.5.270.0070.08020.78
5.5.260.0070.05720.79
5.5.250.0030.08720.57
5.5.240.0070.07720.03
5.4.450.0300.05319.57
5.4.440.0130.07719.63
5.4.430.0770.06019.46
5.4.420.0100.05319.53
5.4.410.0770.05719.16
5.4.400.0100.06319.16
5.4.390.0330.04319.14
5.4.380.0330.06018.61
5.4.370.0300.05318.66
5.4.360.0270.07718.63
5.4.350.0470.06718.68
5.4.340.0230.06318.76
5.4.320.0040.04412.45
5.4.310.0100.03612.45
5.4.300.0050.03912.45
5.4.290.0060.05912.43
5.4.280.0050.05112.33
5.4.270.0110.03512.33
5.4.260.0080.05212.33
5.4.250.0070.05212.33
5.4.240.0090.05412.33
5.4.230.0070.04212.32
5.4.220.0110.06012.32
5.4.210.0090.05912.32
5.4.200.0120.05212.32
5.4.190.0090.06212.32
5.4.180.0040.06012.32
5.4.170.0080.05312.33
5.4.160.0090.04912.32
5.4.150.0040.04712.32
5.4.140.0040.04012.01
5.4.130.0070.03612.00
5.4.120.0040.04011.95
5.4.110.0070.03811.95
5.4.100.0050.04011.95
5.4.90.0080.04111.95
5.4.80.0080.04411.95
5.4.70.0070.04411.94
5.4.60.0070.06411.95
5.4.50.0080.05211.94
5.4.40.0100.03911.93
5.4.30.0050.03811.93
5.4.20.0080.03411.93
5.4.10.0100.05011.93
5.4.00.0080.03611.42
5.3.290.0100.03612.80
5.3.280.0050.04212.71
5.3.270.0090.03912.72
5.3.260.0100.03712.72
5.3.250.0090.04312.72
5.3.240.0070.04612.72
5.3.230.0080.03712.71
5.3.220.0080.05112.68
5.3.210.0130.04612.68
5.3.200.0040.04112.68
5.3.190.0080.03912.68
5.3.180.0050.05012.67
5.3.170.0070.04412.67
5.3.160.0090.03512.68
5.3.150.0070.03812.68
5.3.140.0100.03612.66
5.3.130.0070.03912.66
5.3.120.0070.04112.66
5.3.110.0120.04512.66
5.3.100.0100.05512.12
5.3.90.0110.05912.08
5.3.80.0090.05712.08
5.3.70.0100.05812.07
5.3.60.0130.05612.06
5.3.50.0110.05712.00
5.3.40.0090.05312.00
5.3.30.0100.04811.94
5.3.20.0060.05511.72
5.3.10.0060.04011.69
5.3.00.0100.03511.68
5.2.170.0080.0329.18
5.2.160.0090.0349.18
5.2.150.0080.0319.18
5.2.140.0050.0319.17
5.2.130.0070.0279.13
5.2.120.0040.0359.14
5.2.110.0050.0309.14
5.2.100.0060.0329.14
5.2.90.0060.0359.14
5.2.80.0080.0399.13
5.2.70.0040.0329.14
5.2.60.0130.0399.09
5.2.50.0090.0349.05
5.2.40.0030.0349.03
5.2.30.0060.0339.01
5.2.20.0050.0309.00
5.2.10.0050.0408.92
5.2.00.0110.0268.78
5.1.60.0050.0268.05
5.1.50.0040.0278.05
5.1.40.0050.0358.04
5.1.30.0070.0448.39
5.1.20.0080.0348.41
5.1.10.0110.0348.14
5.1.00.0050.0418.14
5.0.50.0070.0386.62
5.0.40.0090.0276.47
5.0.30.0050.0376.29
5.0.20.0100.0266.26
5.0.10.0040.0326.23
5.0.00.0060.0436.23
4.4.90.0050.0264.77
4.4.80.0050.0254.75
4.4.70.0050.0214.75
4.4.60.0030.0234.76
4.4.50.0050.0254.77
4.4.40.0050.0374.71
4.4.30.0040.0234.76
4.4.20.0040.0234.84
4.4.10.0040.0234.85
4.4.00.0040.0414.76
4.3.110.0080.0214.67
4.3.100.0110.0174.67
4.3.90.0020.0254.63
4.3.80.0050.0254.58
4.3.70.0070.0114.63
4.3.60.0060.0154.63
4.3.50.0030.0204.63
4.3.40.0040.0264.54
4.3.30.0030.0183.29
4.3.20.0020.0173.26
4.3.10.0030.0223.22
4.3.00.0000.01310.55

preferences:
41.45 ms | 401 KiB | 5 Q