3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4); $array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); var_dump(array_diff_key($array1, $array2)); ?>

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)
8.3.40.0070.00718.55
8.3.30.0000.01420.16
8.3.20.0070.00020.26
8.3.10.0050.00222.00
8.3.00.0090.00022.45
8.2.170.0210.00022.96
8.2.160.0040.01120.43
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0000.00819.66
8.2.110.0090.00022.29
8.2.100.0070.00419.20
8.2.90.0000.00719.23
8.2.80.0040.00419.33
8.2.70.0030.00617.38
8.2.60.0000.01117.52
8.2.50.0080.00018.07
8.2.40.0040.00418.09
8.2.30.0080.00523.00
8.2.20.0040.00417.46
8.2.10.0030.00617.54
8.2.00.0070.00017.52
8.1.270.0040.00422.19
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0070.00319.09
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0000.00817.10
8.1.190.0000.00717.41
8.1.180.0040.00420.28
8.1.170.0030.00518.52
8.1.160.0000.00722.11
8.1.150.0000.00718.63
8.1.140.0080.00017.31
8.1.130.0000.00717.87
8.1.120.0030.00317.29
8.1.110.0040.00417.27
8.1.100.0000.00717.28
8.1.90.0040.00417.38
8.1.80.0040.00317.37
8.1.70.0040.00417.32
8.1.60.0050.00517.36
8.1.50.0030.00517.46
8.1.40.0040.00417.38
8.1.30.0000.00717.52
8.1.20.0040.00417.46
8.1.10.0000.00717.38
8.1.00.0000.00817.40
8.0.300.0000.00718.77
8.0.290.0000.00717.04
8.0.280.0030.00318.37
8.0.270.0000.00717.23
8.0.260.0030.00316.66
8.0.250.0030.00316.76
8.0.240.0000.00816.93
8.0.230.0000.00716.86
8.0.220.0050.00316.82
8.0.210.0070.00016.88
8.0.200.0060.00016.75
8.0.190.0000.00816.87
8.0.180.0030.00316.89
8.0.170.0000.00716.88
8.0.160.0000.00716.94
8.0.150.0070.00016.66
8.0.140.0070.00016.78
8.0.130.0000.00613.29
8.0.120.0030.00516.76
8.0.110.0040.00416.67
8.0.100.0030.00516.79
8.0.90.0070.00016.73
8.0.80.0000.01416.83
8.0.70.0040.00416.88
8.0.60.0030.00316.86
8.0.50.0030.00316.79
8.0.30.0100.00916.86
8.0.20.0070.01317.40
8.0.10.0080.00016.82
8.0.00.0100.00816.71
7.4.330.0020.00215.00
7.4.320.0000.00616.43
7.4.300.0050.00316.51
7.4.290.0030.00316.43
7.4.280.0030.00316.42
7.4.270.0030.00316.48
7.4.260.0000.00716.35
7.4.250.0030.00316.51
7.4.240.0060.00116.47
7.4.230.0070.00016.47
7.4.220.0080.00816.61
7.4.210.0080.00716.57
7.4.200.0030.00316.31
7.4.190.0000.00716.52
7.4.160.0080.00816.42
7.4.150.0130.00717.40
7.4.140.0090.00917.86
7.4.130.0080.01116.43
7.4.120.0090.01116.28
7.4.110.0190.00016.37
7.4.100.0070.01016.48
7.4.90.0090.00916.21
7.4.80.0070.01119.39
7.4.70.0100.01016.32
7.4.60.0110.00616.39
7.4.50.0000.00816.31
7.4.40.0040.01422.77
7.4.30.0030.01316.19
7.4.00.0030.01214.61
7.3.330.0000.00612.96
7.3.320.0000.00513.02
7.3.310.0000.00716.18
7.3.300.0030.00316.12
7.3.290.0100.00616.16
7.3.280.0060.01016.14
7.3.270.0030.01317.40
7.3.260.0140.00316.50
7.3.250.0050.01116.19
7.3.240.0030.01516.34
7.3.230.0100.00716.39
7.3.210.0130.00416.22
7.3.200.0100.00719.39
7.3.190.0120.00916.03
7.3.180.0060.01616.34
7.3.170.0100.00716.27
7.3.160.0110.00516.35
7.3.120.0030.01314.95
7.2.330.0110.00816.41
7.2.320.0130.00616.15
7.2.310.0100.00616.52
7.2.300.0130.01116.32
7.2.290.0100.01016.42
7.2.80.0030.01216.62
7.2.60.0060.00316.71
7.1.200.0060.00615.64
7.1.70.0140.00517.07
7.1.60.0100.00719.29
7.1.50.0030.01416.58
7.1.00.0000.03722.57
7.0.200.0400.01014.12
7.0.140.0130.06722.00
7.0.60.0030.04019.91
7.0.50.0170.02317.88
7.0.40.0070.04720.04
7.0.30.0330.07720.33
7.0.20.0270.07320.00
7.0.10.0330.07720.33
7.0.00.0070.04320.00
5.6.280.0070.07021.07
5.6.210.0030.07720.72
5.6.200.0030.08318.08
5.6.190.0100.08720.34
5.6.180.4300.03320.41
5.6.170.0300.06320.48
5.6.160.0070.08320.50
5.6.150.0030.05018.09
5.6.140.0070.04018.11
5.6.130.0070.07718.18
5.6.120.0070.08720.98
5.6.110.0100.08321.00
5.6.100.0070.06721.09
5.6.90.0030.08720.95
5.6.80.0030.07020.37
5.6.70.0200.03320.35
5.5.350.0170.08020.33
5.5.340.0030.08317.98
5.5.330.0100.05020.44
5.5.320.0270.06720.21
5.5.310.0370.07020.50
5.5.300.0030.08317.91
5.5.290.0100.07318.02
5.5.280.0070.07020.65
5.5.270.0130.07720.86
5.5.260.0130.05020.86
5.5.250.0030.09020.57
5.5.240.0000.04020.16
5.4.450.0130.05319.47
5.4.440.0800.06019.55
5.4.430.1000.05719.58
5.4.420.0870.05719.47
5.4.410.0770.06019.11
5.4.400.1070.06018.65
5.4.390.1230.04318.59
5.4.380.0170.05318.69
5.4.370.0170.05018.55
5.4.360.0170.05018.66
5.4.350.0090.03311.97
5.4.340.0040.03811.97
5.4.320.0080.04012.46
5.4.310.0080.04512.45
5.4.300.0070.04212.45
5.4.290.0070.04112.45
5.4.280.0060.04212.32
5.4.270.0090.04112.32
5.4.260.0080.05312.32
5.4.250.0060.04012.32
5.4.240.0040.04612.32
5.4.230.0070.04712.31
5.4.220.0100.04712.32
5.4.210.0080.04012.32
5.4.200.0060.04812.31
5.4.190.0110.04512.31
5.4.180.0060.04012.31
5.4.170.0120.03212.32
5.4.160.0070.03512.32
5.4.150.0100.03312.31
5.4.140.0070.04012.00
5.4.130.0090.03611.98
5.4.120.0090.04411.95
5.4.110.0100.03711.94
5.4.100.0040.03911.94
5.4.90.0060.03911.94
5.4.80.0090.03511.94
5.4.70.0050.03511.93
5.4.60.0070.03311.93
5.4.50.0080.03311.93
5.4.40.0040.03711.93
5.4.30.0070.03411.92
5.4.20.0070.03811.92
5.4.10.0070.04411.92
5.4.00.0100.03211.41
5.3.290.0070.04412.80
5.3.280.0100.03912.71
5.3.270.0060.04012.73
5.3.260.0100.03912.72
5.3.250.0060.03812.72
5.3.240.0050.03812.72
5.3.230.0030.04412.71
5.3.220.0070.04112.68
5.3.210.0100.04312.68
5.3.200.0060.04112.68
5.3.190.0070.04612.68
5.3.180.0050.03912.67
5.3.170.0050.03812.67
5.3.160.0110.03612.68
5.3.150.0100.03612.67
5.3.140.0120.04012.66
5.3.130.0090.03812.65
5.3.120.0100.03912.66
5.3.110.0060.03912.66
5.3.100.0050.03812.11
5.3.90.0060.03712.08
5.3.80.0070.03712.08
5.3.70.0080.04112.07
5.3.60.0090.04212.06
5.3.50.0060.03912.00
5.3.40.0060.03612.00
5.3.30.0090.03811.94
5.3.20.0070.03411.70
5.3.10.0070.03411.67
5.3.00.0080.03711.65
5.2.170.0040.0359.15
5.2.160.0060.0329.15
5.2.150.0060.0309.15
5.2.140.0050.0299.14
5.2.130.0010.0329.11
5.2.120.0030.0309.11
5.2.110.0050.0299.11
5.2.100.0040.0309.11
5.2.90.0060.0309.11
5.2.80.0080.0279.11
5.2.70.0030.0329.11
5.2.60.0080.0399.06
5.2.50.0090.0289.03
5.2.40.0030.0319.00
5.2.30.0050.0308.98
5.2.20.0060.0278.97
5.2.10.0040.0288.90
5.2.00.0040.0298.76
5.1.60.0060.0228.04
5.1.50.0060.0228.04
5.1.40.0040.0258.03
5.1.30.0030.0278.38
5.1.20.0030.0278.40
5.1.10.0050.0248.13
5.1.00.0060.0248.12
5.0.50.0050.0196.60
5.0.40.0020.0216.46
5.0.30.0030.0316.27
5.0.20.0060.0166.25
5.0.10.0040.0196.22
5.0.00.0050.0296.21
4.4.90.0010.0214.78
4.4.80.0030.0224.75
4.4.70.0050.0174.76
4.4.60.0030.0164.75
4.4.50.0050.0134.77
4.4.40.0030.0254.71
4.4.30.0030.0164.76
4.4.20.0060.0124.84
4.4.10.0030.0214.85
4.4.00.0040.0334.76
4.3.110.0030.0214.67
4.3.100.0020.0164.67
4.3.90.0040.0134.63
4.3.80.0000.0284.58
4.3.70.0040.0194.63
4.3.60.0030.0144.63
4.3.50.0040.0134.63
4.3.40.0030.0244.53
4.3.30.0030.0153.27
4.3.20.0040.0143.25
4.3.10.0050.0133.22
4.3.00.0070.0276.82

preferences:
43.21 ms | 400 KiB | 5 Q