3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 1, 'b' => array()); $b = array('c' => 2, 'c' => array()); array_keys(array_diff_assoc($a,$b));

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)
8.3.60.0110.00416.50
8.3.50.0120.00322.97
8.3.40.0040.01118.57
8.3.30.0120.00318.82
8.3.20.0040.00420.18
8.3.10.0050.00323.55
8.3.00.0030.00517.38
8.2.180.0110.00418.18
8.2.170.0140.00022.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0000.00726.16
8.2.120.0050.00319.50
8.2.110.0030.00622.16
8.2.100.0090.00318.03
8.2.90.0040.00419.13
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0070.00017.90
8.2.50.0030.00618.07
8.2.40.0000.00819.81
8.2.30.0000.00817.93
8.2.20.0080.00017.64
8.2.10.0030.00517.86
8.2.00.0040.00417.59
8.1.280.0070.01025.92
8.1.270.0040.00423.97
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.18
8.1.230.0070.00319.08
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.13
8.1.190.0040.00417.00
8.1.180.0000.00818.10
8.1.170.0050.00318.55
8.1.160.0040.00421.86
8.1.150.0040.00418.82
8.1.140.0040.00417.38
8.1.130.0070.00017.88
8.1.120.0000.00717.28
8.1.110.0030.00517.30
8.1.100.0000.00717.40
8.1.90.0000.00817.35
8.1.80.0080.00017.44
8.1.70.0000.00717.29
8.1.60.0060.00317.57
8.1.50.0000.00717.34
8.1.40.0040.00417.43
8.1.30.0000.00817.55
8.1.20.0030.00617.51
8.1.10.0000.00817.45
8.1.00.0000.00717.27
8.0.300.0040.00418.77
8.0.290.0030.00616.63
8.0.280.0070.00018.38
8.0.270.0000.00717.25
8.0.260.0060.00017.30
8.0.250.0000.00716.93
8.0.240.0000.00716.77
8.0.230.0070.00016.88
8.0.220.0060.00016.87
8.0.210.0000.00716.79
8.0.200.0030.00316.85
8.0.190.0060.00316.79
8.0.180.0000.00716.87
8.0.170.0070.00016.88
8.0.160.0070.00016.89
8.0.150.0000.00916.62
8.0.140.0000.00716.80
8.0.130.0060.00013.34
8.0.120.0000.00716.75
8.0.110.0080.00016.77
8.0.100.0070.00016.72
8.0.90.0030.00316.73
8.0.80.0070.00716.71
8.0.70.0030.00516.62
8.0.60.0040.00416.62
8.0.50.0000.00716.84
8.0.30.0130.00617.07
8.0.20.0130.00617.40
8.0.10.0030.00617.02
8.0.00.0090.01116.75
7.4.330.0050.00015.08
7.4.320.0040.00416.46
7.4.300.0060.00016.51
7.4.290.0000.00816.50
7.4.280.0050.00516.53
7.4.270.0000.00716.33
7.4.260.0030.00716.46
7.4.250.0040.00416.49
7.4.240.0060.00216.37
7.4.230.0000.00716.53
7.4.220.0090.00916.50
7.4.210.0090.00616.38
7.4.200.0000.00716.48
7.4.160.0090.01216.45
7.4.150.0060.01117.40
7.4.140.0100.01117.86
7.4.130.0090.00816.44
7.4.120.0110.00516.44
7.4.110.0100.01016.30
7.4.100.0070.01016.24
7.4.90.0040.01316.32
7.4.80.0090.01119.39
7.4.70.0070.01016.30
7.4.60.0100.00716.39
7.4.50.0000.00816.23
7.4.40.0000.01516.26
7.4.30.0110.00416.35
7.4.00.0030.01314.82
7.3.330.0040.00412.93
7.3.320.0050.00012.84
7.3.310.0070.00015.96
7.3.300.0040.00415.96
7.3.290.0070.00616.17
7.3.280.0080.00716.15
7.3.270.0120.00617.40
7.3.260.0110.01116.30
7.3.250.0110.00516.29
7.3.240.0030.01316.17
7.3.230.0060.01316.39
7.3.210.0090.00916.45
7.3.200.0070.01019.39
7.3.190.0170.00316.09
7.3.180.0100.00616.27
7.3.170.0000.02216.27
7.3.160.0000.01516.29
7.2.330.0080.00916.15
7.2.320.0110.00616.53
7.2.310.0120.00416.51
7.2.300.0030.01316.32
7.2.290.0060.01616.25
7.2.00.0040.01519.00
7.1.200.0000.01115.66
7.1.100.0110.00018.06
7.1.70.0000.01017.07
7.1.60.0070.01819.40
7.1.50.0070.01416.84
7.1.00.0000.08022.44
7.0.200.0070.00314.95
7.0.140.0030.07322.18
7.0.60.0030.05020.00
7.0.50.0100.04017.85
7.0.40.0000.05719.98
7.0.30.0170.05320.09
7.0.20.0270.07020.16
7.0.10.0030.04320.30
7.0.00.0030.07720.00
5.6.280.0000.07321.05
5.6.210.0100.04320.74
5.6.200.0100.03318.06
5.6.190.0100.08320.27
5.6.180.0270.05320.47
5.6.170.0200.05720.50
5.6.160.0070.08320.48
5.6.150.0070.07018.15
5.6.140.0070.07718.21
5.6.130.0070.06718.15
5.6.120.0000.05321.02
5.6.110.0130.08321.13
5.6.100.0070.03720.98
5.6.90.0070.04721.09
5.6.80.0170.07020.52
5.5.350.0200.03320.38
5.5.340.0100.03317.95
5.5.330.0070.05720.47
5.5.320.0270.08320.20
5.5.310.0370.04720.29
5.5.300.0030.08717.88
5.5.290.0100.07717.86
5.5.280.0030.04720.88
5.5.270.0030.08320.75
5.5.260.0100.08320.82
5.5.250.0100.06320.66
5.5.240.0030.03320.15
5.4.450.0700.06319.62
5.4.440.0170.06319.63
5.4.430.0130.05719.53
5.4.420.0170.05719.10
5.4.410.0100.05318.80
5.4.400.0330.06018.61
5.4.390.0470.04018.70
5.4.380.0070.05018.62
5.4.370.0070.04018.58
5.4.360.0030.04018.75
5.4.350.0070.03511.97
5.4.340.0080.04011.96
5.4.320.0110.03212.45
5.4.310.0070.03712.45
5.4.300.0110.04512.45
5.4.290.0060.05012.45
5.4.280.0040.03812.34
5.4.270.0100.03312.35
5.4.260.0050.04812.34
5.4.250.0050.05112.35
5.4.240.0060.03612.34
5.4.230.0100.04012.34
5.4.220.0040.03812.34
5.4.210.0040.03712.34
5.4.200.0110.04112.34
5.4.190.0090.03312.33
5.4.180.0040.03912.34
5.4.170.0080.03512.34
5.4.160.0050.03612.34
5.4.150.0030.03912.34
5.4.140.0060.03712.02
5.4.130.0080.03312.01
5.4.120.0040.03711.97
5.4.110.0050.03811.96
5.4.100.0050.03611.96
5.4.90.0050.04411.96
5.4.80.0060.03811.96
5.4.70.0070.03811.95
5.4.60.0060.04011.96
5.4.50.0040.03711.96
5.4.40.0090.03311.95
5.4.30.0040.03611.95
5.4.20.0020.04011.95
5.4.10.0070.04611.95
5.4.00.0070.04211.43
5.3.290.0060.04112.80
5.3.280.0050.03812.71
5.3.270.0080.04312.73
5.3.260.0030.04212.71
5.3.250.0050.03812.72
5.3.240.0110.04112.72
5.3.230.0070.04812.70
5.3.220.0060.04212.68
5.3.210.0140.04412.68
5.3.200.0080.04012.68
5.3.190.0040.04012.68
5.3.180.0060.03512.67
5.3.170.0100.03512.67
5.3.160.0070.04312.68
5.3.150.0040.03912.67
5.3.140.0120.03412.66
5.3.130.0100.03912.66
5.3.120.0070.04012.66
5.3.110.0050.04412.66
5.3.100.0050.03812.11
5.3.90.0050.05212.08
5.3.80.0040.03912.07
5.3.70.0090.04012.08
5.3.60.0070.04112.07
5.3.50.0030.04312.00
5.3.40.0060.03612.00
5.3.30.0030.03711.94
5.3.20.0040.04311.72
5.3.10.0060.03611.69
5.3.00.0070.04311.67
5.2.170.0090.0289.18
5.2.160.0050.0359.18
5.2.150.0050.0339.18
5.2.140.0040.0379.17
5.2.130.0050.0309.14
5.2.120.0070.0329.14
5.2.110.0060.0279.14
5.2.100.0090.0329.14
5.2.90.0060.0279.14
5.2.80.0050.0319.13
5.2.70.0060.0329.14
5.2.60.0050.0299.08
5.2.50.0060.0359.05
5.2.40.0080.0309.03
5.2.30.0090.0299.01
5.2.20.0080.0319.00
5.2.10.0060.0268.92
5.2.00.0080.0268.77
5.1.60.0050.0238.06
5.1.50.0060.0238.05
5.1.40.0060.0278.04
5.1.30.0060.0278.39
5.1.20.0040.0268.41
5.1.10.0050.0258.13
5.1.00.0060.0238.13
5.0.50.0010.0236.62
5.0.40.0060.0176.47
5.0.30.0060.0296.29
5.0.20.0030.0206.26
5.0.10.0030.0206.23
5.0.00.0020.0326.23
4.4.90.0040.0144.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0040.0154.76
4.4.50.0050.0134.77
4.4.40.0020.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0000.0184.67
4.3.100.0020.0154.66
4.3.90.0030.0144.63
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0020.0174.62
4.3.50.0030.0194.63
4.3.40.0010.0254.54
4.3.30.0010.0173.28
4.3.20.0020.0183.26
4.3.10.0020.0153.22
4.3.00.0170.0237.12

preferences:
40.47 ms | 401 KiB | 5 Q