3v4l.org

run code in 300+ PHP versions simultaneously
<?php $params = ['add'=>'']; $arr = $params + ['add'=> [], 'remove' =>[]]; //$arr = array_merge(['add'=> [], 'remove' =>[]], $params); var_dump($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)
8.3.60.0090.00618.05
8.3.50.0080.00816.38
8.3.40.0140.00018.57
8.3.30.0070.00719.02
8.3.20.0070.00020.22
8.3.10.0040.00423.48
8.3.00.0080.00019.26
8.2.180.0120.00318.56
8.2.170.0040.01122.96
8.2.160.0100.00720.48
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.27
8.2.110.0090.00022.30
8.2.100.0000.01117.75
8.2.90.0000.00719.23
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0060.00617.91
8.2.50.0000.00818.07
8.2.40.0000.00819.88
8.2.30.0060.00318.00
8.2.20.0040.00417.67
8.2.10.0080.00018.02
8.2.00.0060.00317.75
8.1.270.0040.00423.71
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00923.96
8.1.230.0080.00417.76
8.1.220.0080.00017.77
8.1.210.0090.00018.77
8.1.200.0030.00617.22
8.1.190.0060.00317.23
8.1.180.0000.00718.10
8.1.170.0140.00018.35
8.1.160.0020.00521.84
8.1.150.0040.00418.75
8.1.140.0070.00017.36
8.1.130.0040.00417.81
8.1.120.0030.00417.38
8.1.110.0080.00017.29
8.1.100.0070.00017.41
8.1.90.0070.00017.38
8.1.80.0000.00717.38
8.1.70.0000.00717.38
8.1.60.0050.00517.52
8.1.50.0000.00817.33
8.1.40.0040.00417.33
8.1.30.0050.00317.47
8.1.20.0040.00417.50
8.1.10.0000.00717.49
8.1.00.0000.00817.37
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0030.00518.38
8.0.270.0030.00317.11
8.0.260.0000.00817.18
8.0.250.0000.00716.94
8.0.240.0000.00616.96
8.0.230.0070.00016.91
8.0.220.0030.00316.86
8.0.210.0040.00416.78
8.0.200.0030.00316.95
8.0.190.0000.00816.93
8.0.180.0060.00316.82
8.0.170.0050.00316.94
8.0.160.0080.00016.97
8.0.150.0050.00316.68
8.0.140.0000.00716.84
8.0.130.0050.00013.29
8.0.120.0070.00016.91
8.0.110.0050.00316.90
8.0.100.0040.00416.67
8.0.90.0060.00316.99
8.0.80.0050.01716.92
8.0.70.0000.00716.71
8.0.60.0030.00616.88
8.0.50.0000.00716.85
8.0.30.0070.01316.99
8.0.20.0110.00817.40
8.0.10.0000.00816.93
8.0.00.0140.00416.83
7.4.330.0020.00215.02
7.4.320.0000.00616.55
7.4.300.0000.00616.43
7.4.290.0030.00316.53
7.4.280.0040.00416.56
7.4.270.0040.00416.41
7.4.260.0000.00716.38
7.4.250.0000.00816.50
7.4.240.0050.00216.45
7.4.230.0030.00316.61
7.4.220.0090.01516.62
7.4.210.0100.01016.52
7.4.200.0040.00416.31
7.4.160.0100.00716.48
7.4.150.0110.00717.40
7.4.140.0070.01717.86
7.4.130.0110.00916.51
7.4.120.0080.01016.32
7.4.110.0090.01216.29
7.4.100.0040.01216.54
7.4.90.0110.00616.48
7.4.80.0060.01319.39
7.4.70.0110.00616.30
7.4.60.0100.01016.41
7.4.50.0080.00016.35
7.4.40.0120.00916.27
7.4.30.0080.00816.35
7.4.00.0110.00315.07
7.3.330.0030.00312.92
7.3.320.0050.00013.11
7.3.310.0040.00416.20
7.3.300.0030.00316.08
7.3.290.0070.00716.20
7.3.280.0100.00516.14
7.3.270.0150.00317.40
7.3.260.0250.00016.07
7.3.250.0100.00716.43
7.3.240.0100.00616.23
7.3.230.0060.01016.41
7.3.210.0100.00616.25
7.3.200.0070.01119.39
7.3.190.0060.01216.18
7.3.180.0100.01016.35
7.3.170.0070.00816.27
7.3.160.0040.01116.37
7.3.10.0130.00316.48
7.3.00.0120.00616.73
7.2.330.0110.00616.55
7.2.320.0090.01016.25
7.2.310.0070.01416.29
7.2.300.0070.01316.52
7.2.290.0110.01116.49
7.2.130.0000.01516.56
7.2.120.0080.00816.55
7.2.110.0090.00916.79
7.2.100.0070.00716.71
7.2.90.0220.00416.95
7.2.80.0080.01616.80
7.2.70.0170.00716.73
7.2.60.0050.01016.63
7.2.50.0030.01016.34
7.2.40.0040.00816.52
7.2.30.0110.00316.71
7.2.20.0000.01416.70
7.2.10.0040.00716.64
7.2.00.0070.00817.81
7.1.250.0090.00615.58
7.1.200.0110.00715.80
7.1.100.0040.00818.19
7.1.70.0000.01017.02
7.1.60.0100.01419.11
7.1.50.0140.01017.04
7.1.00.0000.08022.57
7.0.200.0000.00716.85
7.0.140.0030.07722.00
7.0.60.0130.07719.82
7.0.50.0070.06717.89
7.0.40.0100.07020.27
7.0.30.0230.08320.18
7.0.20.0170.07720.21
7.0.10.0070.08719.99
7.0.00.0100.06020.16
5.6.280.0030.07320.91
5.6.210.0130.06320.70
5.6.200.0000.05718.13
5.6.190.0070.04320.33
5.6.180.0100.04320.35
5.6.170.0270.06020.38
5.6.160.0030.04020.48
5.6.150.0070.05318.22
5.6.140.0100.07718.23
5.6.130.0100.03718.14
5.6.120.0070.07321.09
5.6.110.0070.09320.88
5.6.100.0100.05021.09
5.6.90.0170.08020.96
5.6.80.0100.07720.50
5.6.70.4330.03320.39
5.5.350.0200.07720.40
5.5.340.0100.04718.02
5.5.330.0030.04720.40
5.5.320.0330.03720.51
5.5.310.0270.07320.28
5.5.300.0100.08317.89
5.5.290.0170.07317.92
5.5.280.0000.06020.68
5.5.270.0070.05020.72
5.5.260.0030.09320.60
5.5.250.0200.06320.57
5.5.240.0200.04020.18
5.4.450.0200.04719.47
5.4.440.0600.05319.48
5.4.430.0930.06319.52
5.4.420.0700.00019.42
5.4.410.0730.00019.21
5.4.400.0600.00019.03
5.4.390.0730.00019.05
5.4.380.0670.00019.16
5.4.370.0630.00019.07
5.4.360.0670.00018.92
5.4.350.0670.00018.98
5.4.340.0050.04211.96
5.4.320.0070.03412.45
5.4.310.0110.03412.45
5.4.300.0110.04012.45
5.4.290.0070.04212.45
5.4.280.0040.03712.35
5.4.270.0070.03512.35
5.4.260.0040.03912.35
5.4.250.0050.03812.34
5.4.240.0050.03612.34
5.4.230.0050.03812.34
5.4.220.0050.03712.34
5.4.210.0070.03412.34
5.4.200.0060.03712.34
5.4.190.0050.03612.33
5.4.180.0040.03612.33
5.4.170.0050.03712.34
5.4.160.0070.03512.34
5.4.150.0050.03612.34
5.4.140.0060.03612.02
5.4.130.0090.03212.01
5.4.120.0060.03511.96
5.4.110.0070.03511.96
5.4.100.0050.03611.96
5.4.90.0040.03811.96
5.4.80.0060.03711.96
5.4.70.0060.03311.96
5.4.60.0070.04011.96
5.4.50.0080.03311.96
5.4.40.0090.03111.95
5.4.30.0060.03611.95
5.4.20.0060.03511.95
5.4.10.0060.04111.95
5.4.00.0060.03511.43
5.3.290.0050.04012.80
5.3.280.0070.03712.71
5.3.270.0070.03812.72
5.3.260.0090.04412.72
5.3.250.0120.03312.72
5.3.240.0060.04512.72
5.3.230.0100.03812.71
5.3.220.0020.04312.68
5.3.210.0080.03712.68
5.3.200.0040.03812.68
5.3.190.0050.03812.68
5.3.180.0070.03512.68
5.3.170.0060.03712.67
5.3.160.0090.04012.67
5.3.150.0090.03412.68
5.3.140.0060.03612.66
5.3.130.0060.03812.66
5.3.120.0070.03912.65
5.3.110.0060.03812.66
5.3.100.0020.04112.11
5.3.90.0070.03812.08
5.3.80.0060.03512.08
5.3.70.0070.03412.07
5.3.60.0080.03412.06
5.3.50.0090.03912.00
5.3.40.0080.03512.00
5.3.30.0080.03311.95
5.3.20.0040.03811.72
5.3.10.0080.04311.70
5.3.00.0070.03811.68
5.2.170.0090.0389.18
5.2.160.0040.0309.18
5.2.150.0060.0329.18
5.2.140.0050.0379.18
5.2.130.0020.0309.14
5.2.120.0040.0289.14
5.2.110.0050.0339.15
5.2.100.0020.0309.15
5.2.90.0030.0339.14
5.2.80.0050.0409.14
5.2.70.0070.0319.14
5.2.60.0050.0329.09
5.2.50.0040.0319.05
5.2.40.0040.0339.04
5.2.30.0060.0359.02
5.2.20.0100.0349.00
5.2.10.0030.0408.93
5.2.00.0090.0378.79
5.1.60.0050.0288.07
5.1.50.0070.0228.06
5.1.40.0030.0298.04
5.1.30.0040.0268.40
5.1.20.0060.0268.41
5.1.10.0050.0268.14
5.1.00.0070.0308.14
5.0.50.0030.0216.62
5.0.40.0040.0196.48
5.0.30.0050.0326.29
5.0.20.0020.0226.27
5.0.10.0040.0226.24
5.0.00.0040.0296.23
4.4.90.0030.0144.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0010.0174.75
4.4.50.0000.0184.77
4.4.40.0020.0274.71
4.4.30.0020.0164.76
4.4.20.0030.0204.85
4.4.10.0020.0174.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0030.0144.63
4.3.80.0010.0254.58
4.3.70.0040.0144.63
4.3.60.0020.0194.63
4.3.50.0030.0154.63
4.3.40.0050.0244.54
4.3.30.0020.0203.28
4.3.20.0020.0163.26
4.3.10.0040.0133.22
4.3.00.0130.0237.02

preferences:
46.82 ms | 400 KiB | 5 Q