3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [2 => ['b', 'c'], 1 => ['a']]; krsort($arr); var_dump(call_user_func_array('array_merge', $arr));

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)
8.3.60.0090.01216.63
8.3.50.0140.00721.91
8.3.40.0150.00018.67
8.3.30.0210.00018.83
8.3.20.0050.00220.04
8.3.10.0080.00023.48
8.3.00.0040.00420.77
8.2.180.0120.00916.75
8.2.170.0130.00722.96
8.2.160.0060.01018.84
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00820.75
8.2.110.0060.00319.27
8.2.100.0090.00317.72
8.2.90.0000.00919.05
8.2.80.0000.00817.97
8.2.70.0050.00317.38
8.2.60.0040.00417.92
8.2.50.0040.00418.10
8.2.40.0060.00319.82
8.2.30.0050.00218.15
8.2.20.0070.00017.61
8.2.10.0020.00517.91
8.2.00.0040.00417.67
8.1.280.0130.00325.92
8.1.270.0060.00324.01
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00923.79
8.1.230.0110.00017.76
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00917.35
8.1.190.0000.00917.10
8.1.180.0030.00518.10
8.1.170.0040.00418.51
8.1.160.0000.00821.82
8.1.150.0000.00718.44
8.1.140.0050.00317.33
8.1.130.0070.00017.73
8.1.120.0040.00417.31
8.1.110.0060.00317.43
8.1.100.0000.00717.36
8.1.90.0040.00317.41
8.1.80.0030.00317.29
8.1.70.0030.00317.34
8.1.60.0040.00417.54
8.1.50.0000.00817.52
8.1.40.0000.00717.45
8.1.30.0030.00717.52
8.1.20.0040.00417.55
8.1.10.0000.00717.51
8.1.00.0000.01217.53
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0030.00318.36
8.0.270.0000.00717.18
8.0.260.0000.00717.18
8.0.250.0030.00516.88
8.0.240.0060.00316.86
8.0.230.0000.00716.74
8.0.220.0030.00316.80
8.0.210.0030.00316.79
8.0.200.0030.00616.95
8.0.190.0030.00516.76
8.0.180.0040.00816.81
8.0.170.0030.00516.73
8.0.160.0070.00016.80
8.0.150.0000.00716.81
8.0.140.0000.00716.86
8.0.130.0000.00513.23
8.0.120.0000.00816.71
8.0.110.0000.00816.77
8.0.100.0040.00416.63
8.0.90.0070.00016.70
8.0.80.0070.00716.70
8.0.70.0030.00316.68
8.0.60.0000.00816.67
8.0.50.0000.00716.61
8.0.30.0110.00817.05
8.0.20.0080.01417.40
8.0.10.0000.00717.05
8.0.00.0110.00716.70
7.4.330.0000.00615.00
7.4.320.0000.00616.43
7.4.300.0030.00316.43
7.4.290.0080.00016.43
7.4.280.0060.00316.50
7.4.270.0080.00016.54
7.4.260.0000.00716.59
7.4.250.0040.00416.49
7.4.240.0070.00016.37
7.4.230.0050.00216.55
7.4.220.0130.00616.55
7.4.210.0140.00716.45
7.4.200.0030.00316.32
7.4.160.0090.00616.61
7.4.150.0130.01017.40
7.4.140.0080.00917.86
7.4.130.0100.01016.21
7.4.120.0080.01016.37
7.4.110.0080.00816.41
7.4.100.0090.00916.49
7.4.90.0110.01116.28
7.4.80.0060.01119.39
7.4.70.0090.00916.44
7.4.60.0070.01116.52
7.4.50.0000.00416.42
7.4.40.0130.00316.43
7.4.30.0030.01316.23
7.4.00.0070.00814.77
7.3.330.0020.00212.97
7.3.320.0000.00513.06
7.3.310.0070.00015.95
7.3.300.0030.00316.01
7.3.290.0100.01016.12
7.3.280.0080.01016.10
7.3.270.0130.00417.40
7.3.260.0080.00816.17
7.3.250.0150.00316.22
7.3.240.0070.01016.07
7.3.230.0060.01116.39
7.3.210.0170.00016.19
7.3.200.0160.00619.39
7.3.190.0100.01016.39
7.3.180.0120.00416.38
7.3.170.0040.01716.27
7.3.160.0100.01016.41
7.3.120.0090.00614.58
7.3.110.0080.00914.63
7.3.100.0060.00814.88
7.3.90.0050.00814.69
7.3.80.0030.00914.69
7.3.70.0070.00314.69
7.3.60.0060.00714.66
7.3.50.0060.00614.57
7.3.40.0050.00914.60
7.3.30.0030.00914.68
7.3.20.0060.00816.66
7.3.10.0070.00816.59
7.3.00.0080.00816.52
7.2.330.0180.00016.23
7.2.320.0110.00616.51
7.2.310.0100.00716.45
7.2.300.0060.00916.25
7.2.290.0100.00816.30
7.2.250.0100.00814.85
7.2.240.0080.00914.93
7.2.230.0070.00914.79
7.2.220.0050.00814.64
7.2.210.0030.01214.64
7.2.200.0040.00714.79
7.2.190.0110.00414.83
7.2.180.0060.00814.83
7.2.170.0040.00914.74
7.2.130.0060.01116.64
7.2.120.0170.00816.58
7.2.110.0060.00916.55
7.2.100.0040.01416.88
7.2.90.0080.00816.63
7.2.80.0070.01016.67
7.2.70.0120.00316.91
7.2.60.0070.00316.87
7.2.50.0060.00916.36
7.2.40.0070.00716.86
7.2.30.0000.01416.83
7.2.20.0090.00616.59
7.2.10.0140.00316.95
7.2.00.0090.00917.94
7.1.330.0080.00615.66
7.1.320.0060.00815.44
7.1.310.0090.00115.63
7.1.300.0080.00515.58
7.1.290.0030.00815.73
7.1.280.0060.00515.63
7.1.270.0020.01115.38
7.1.260.0030.01115.66
7.1.250.0100.01015.88
7.1.100.0030.01318.05
7.1.70.0000.00917.08
7.1.60.0060.00917.18
7.1.50.0110.01416.53
7.1.00.0070.07322.40
7.0.200.0030.00716.30
7.0.140.0070.07022.15
7.0.60.0100.08020.02
7.0.50.0130.08017.91
7.0.40.0130.08019.99
7.0.30.0200.05320.18
7.0.20.0270.08720.02
7.0.10.0270.04720.09
7.0.00.0030.08720.09
5.6.280.0100.06720.90
5.6.210.0070.04020.69
5.6.200.0030.07018.22
5.6.190.0070.05020.56
5.6.180.3470.04320.24
5.6.170.0430.06020.53
5.6.160.0000.09320.46
5.6.150.0000.04718.14
5.6.140.0170.06718.14
5.6.130.0000.04718.09
5.6.120.0070.09020.95
5.6.110.0070.08021.12
5.6.100.0200.04320.88
5.6.90.0070.05720.96
5.6.80.0130.06720.37
5.6.70.0130.03320.36
5.5.350.0230.07320.36
5.5.340.0030.04717.98
5.5.330.0000.06020.25
5.5.320.0530.03320.36
5.5.310.0170.04020.28
5.5.300.0030.08717.92
5.5.290.0100.05317.95
5.5.280.0030.04020.88
5.5.270.0000.08720.96
5.5.260.0130.08320.88
5.5.250.0100.08720.77
5.5.240.0030.07720.25
5.4.450.0700.06319.45
5.4.440.0670.06319.13
5.4.430.0930.05019.46
5.4.420.0830.00019.48
5.4.410.0170.04718.95
5.4.400.0300.06718.51
5.4.390.0270.04718.59
5.4.380.0170.06018.65
5.4.370.0070.04018.66
5.4.360.0070.04318.51
5.4.350.0080.03211.97
5.4.340.0070.03611.97
5.4.320.0050.03712.45
5.4.310.0090.03512.45
5.4.300.0040.03812.45
5.4.290.0060.03812.45
5.4.280.0100.03012.34
5.4.270.0070.03412.34
5.4.260.0060.03712.34
5.4.250.0080.03512.34
5.4.240.0030.03912.35
5.4.230.0020.04112.34
5.4.220.0020.03912.34
5.4.210.0080.03312.34
5.4.200.0060.04012.34
5.4.190.0030.03912.33
5.4.180.0040.04112.34
5.4.170.0050.03612.34
5.4.160.0060.03512.34
5.4.150.0060.03512.34
5.4.140.0060.03612.02
5.4.130.0040.03712.01
5.4.120.0070.03411.96
5.4.110.0040.03711.96
5.4.100.0060.03511.96
5.4.90.0020.04011.96
5.4.80.0050.03711.96
5.4.70.0080.03611.96
5.4.60.0100.04611.96
5.4.50.0090.03711.96
5.4.40.0060.03611.95
5.4.30.0060.03611.95
5.4.20.0100.03011.95
5.4.10.0080.03211.95
5.4.00.0070.03711.44
5.3.290.0100.03412.80
5.3.280.0060.04112.71
5.3.270.0100.03612.72
5.3.260.0080.03712.71
5.3.250.0060.03612.71
5.3.240.0040.04012.72
5.3.230.0040.04012.71
5.3.220.0050.03812.68
5.3.210.0040.04512.68
5.3.200.0080.03612.68
5.3.190.0040.04012.68
5.3.180.0060.03612.67
5.3.170.0090.03412.67
5.3.160.0060.03612.67
5.3.150.0040.03912.68
5.3.140.0080.03512.66
5.3.130.0030.04212.66
5.3.120.0060.03812.66
5.3.110.0070.03812.66
5.3.100.0060.03712.12
5.3.90.0050.03812.08
5.3.80.0040.03712.07
5.3.70.0080.03312.07
5.3.60.0060.03612.07
5.3.50.0040.03712.00
5.3.40.0060.03612.00
5.3.30.0030.03711.95
5.3.20.0100.03311.72
5.3.10.0060.03511.70
5.3.00.0040.03911.68
5.2.170.0070.0379.18
5.2.160.0030.0369.18
5.2.150.0030.0339.18
5.2.140.0060.0359.18
5.2.130.0090.0249.14
5.2.120.0060.0279.14
5.2.110.0060.0309.14
5.2.100.0070.0269.14
5.2.90.0040.0329.14
5.2.80.0100.0269.14
5.2.70.0030.0329.14
5.2.60.0060.0339.09
5.2.50.0080.0319.05
5.2.40.0040.0299.03
5.2.30.0050.0299.02
5.2.20.0060.0299.00
5.2.10.0050.0328.93
5.2.00.0030.0308.78
5.1.60.0060.0228.07
5.1.50.0050.0258.06
5.1.40.0010.0288.05
5.1.30.0050.0278.40
5.1.20.0070.0258.42
5.1.10.0020.0298.14
5.1.00.0060.0268.14
5.0.50.0040.0196.62
5.0.40.0030.0196.47
5.0.30.0030.0316.29
5.0.20.0040.0206.27
5.0.10.0020.0226.24
5.0.00.0030.0326.23
4.4.90.0030.0154.78
4.4.80.0030.0164.76
4.4.70.0030.0174.76
4.4.60.0030.0174.75
4.4.50.0040.0154.77
4.4.40.0030.0274.70
4.4.30.0040.0164.76
4.4.20.0030.0174.85
4.4.10.0020.0204.85
4.4.00.0040.0254.75
4.3.110.0050.0194.67
4.3.100.0020.0224.66
4.3.90.0060.0174.63
4.3.80.0020.0294.59
4.3.70.0040.0174.63
4.3.60.0040.0184.62
4.3.50.0030.0214.63
4.3.40.0040.0304.54
4.3.30.0030.0183.28
4.3.20.0020.0183.26
4.3.10.0020.0173.22
4.3.00.0100.0236.83

preferences:
49.92 ms | 401 KiB | 5 Q