3v4l.org

run code in 300+ PHP versions simultaneously
<?php $required = array("a" => true, 'b'=>true); $seen = array("a"=>true, "ab" => true, "c"=>true); $result = array_diff_key($required, $seen); print_r($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)
8.3.60.0070.01116.63
8.3.50.0130.00222.82
8.3.40.0140.00018.76
8.3.30.0090.00918.98
8.3.20.0030.00620.21
8.3.10.0070.00023.63
8.3.00.0040.00419.13
8.2.180.0130.00316.50
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0090.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00326.16
8.2.120.0050.00220.95
8.2.110.0090.00019.06
8.2.100.0110.00017.78
8.2.90.0030.00519.14
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0000.00817.78
8.2.50.0070.00018.07
8.2.40.0030.00619.82
8.2.30.0050.00517.98
8.2.20.0040.00417.48
8.2.10.0070.00018.03
8.2.00.0040.00417.72
8.1.280.0140.00725.92
8.1.270.0060.00324.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00522.38
8.1.230.0040.00721.11
8.1.220.0080.00018.77
8.1.210.0000.00818.77
8.1.200.0000.01017.22
8.1.190.0040.00417.00
8.1.180.0060.00318.10
8.1.170.0000.00818.43
8.1.160.0040.00421.93
8.1.150.0040.00418.87
8.1.140.0030.00617.37
8.1.130.0080.00017.75
8.1.120.0000.00817.36
8.1.110.0060.00317.34
8.1.100.0000.00717.32
8.1.90.0030.00317.33
8.1.80.0000.00717.38
8.1.70.0040.00417.37
8.1.60.0030.00617.54
8.1.50.0080.00017.35
8.1.40.0060.00317.43
8.1.30.0050.00317.50
8.1.20.0080.00017.52
8.1.10.0000.00717.47
8.1.00.0000.00817.38
8.0.300.0020.00519.88
8.0.290.0040.00416.58
8.0.280.0040.00418.39
8.0.270.0070.00017.21
8.0.260.0000.00617.23
8.0.250.0000.00716.86
8.0.240.0040.00416.77
8.0.230.0070.00016.75
8.0.220.0060.00016.77
8.0.210.0000.00716.73
8.0.200.0040.00416.83
8.0.190.0060.00316.92
8.0.180.0000.00716.73
8.0.170.0040.00416.82
8.0.160.0030.00416.69
8.0.150.0030.00316.72
8.0.140.0000.00716.72
8.0.130.0050.00013.22
8.0.120.0040.00416.79
8.0.110.0040.00416.85
8.0.100.0000.00816.70
8.0.90.0040.00416.80
8.0.80.0100.01016.69
8.0.70.0000.00716.77
8.0.60.0000.00716.86
8.0.50.0030.00616.92
8.0.30.0090.01016.77
8.0.20.0140.00717.40
8.0.10.0070.00016.72
8.0.00.0090.00916.77
7.4.330.0000.00515.00
7.4.320.0030.00316.57
7.4.300.0040.00416.43
7.4.290.0030.00316.44
7.4.280.0040.00416.43
7.4.270.0060.00016.52
7.4.260.0000.00716.42
7.4.250.0090.00016.32
7.4.240.0020.00516.39
7.4.230.0040.00416.50
7.4.220.0070.01116.55
7.4.210.0060.00916.55
7.4.200.0030.00316.32
7.4.160.0120.00316.41
7.4.150.0120.00617.40
7.4.140.0130.00417.86
7.4.130.0120.00516.41
7.4.120.0150.00116.47
7.4.110.0120.00416.42
7.4.100.0140.00316.34
7.4.90.0140.00616.56
7.4.80.0070.01119.39
7.4.70.0090.00616.52
7.4.60.0070.01116.50
7.4.50.0030.00316.21
7.4.40.0030.01416.36
7.4.30.0090.00616.38
7.4.00.0030.01314.92
7.3.330.0060.00013.05
7.3.320.0030.00313.05
7.3.310.0050.00216.01
7.3.300.0000.00716.17
7.3.290.0040.01116.09
7.3.280.0110.00516.14
7.3.270.0120.00617.40
7.3.260.0140.00316.33
7.3.250.0070.00916.23
7.3.240.0070.01416.10
7.3.230.0070.01016.42
7.3.210.0130.00916.13
7.3.200.0070.01019.39
7.3.190.0130.00316.06
7.3.180.0120.00316.23
7.3.170.0130.00316.51
7.3.160.0030.01516.47
7.2.330.0140.00416.46
7.2.320.0110.00716.33
7.2.310.0090.00916.61
7.2.300.0090.00916.41
7.2.290.0100.00716.54
7.2.00.0110.00419.54
7.1.100.0040.01118.05
7.1.70.0000.00716.86
7.1.60.0120.01219.40
7.1.50.0130.00716.77
7.1.00.0000.08022.50
7.0.200.0160.00316.47
7.0.140.0070.06721.96
7.0.60.0070.05019.86
7.0.50.0100.04317.89
7.0.40.0130.07719.90
7.0.30.0500.07020.02
7.0.20.0200.06020.20
7.0.10.0100.08320.13
7.0.00.0100.09020.00
5.6.280.0030.07321.01
5.6.210.0130.03020.54
5.6.200.0030.04018.22
5.6.190.0070.04020.27
5.6.180.3130.04020.61
5.6.170.0330.07020.61
5.6.160.0100.08720.37
5.6.150.0070.03718.07
5.6.140.0070.08318.16
5.6.130.0030.05318.18
5.6.120.0070.08721.01
5.6.110.0100.08320.85
5.6.100.0030.08020.97
5.6.90.0030.04320.96
5.6.80.0230.05320.28
5.6.70.3330.03020.36
5.5.350.0170.07020.31
5.5.340.0030.03717.97
5.5.330.0000.08020.29
5.5.320.0470.06320.27
5.5.310.0230.07720.22
5.5.300.0030.08017.88
5.5.290.0000.08717.87
5.5.280.0100.04720.79
5.5.270.0130.06320.87
5.5.260.0070.06720.76
5.5.250.0030.08020.68
5.5.240.0330.07020.14
5.4.450.0500.04019.14
5.4.440.0300.04319.24
5.4.430.0300.05019.40
5.4.420.0130.04019.10
5.4.410.0200.04719.33
5.4.400.0570.03018.81
5.4.390.0330.04019.06
5.4.380.0200.05018.50
5.4.370.0100.06018.68
5.4.360.0070.06018.62
5.4.350.0200.05018.69
5.4.340.0100.05718.60
5.4.320.0040.03912.45
5.4.310.0070.03612.45
5.4.300.0130.04412.45
5.4.290.0070.03812.45
5.4.280.0060.04612.35
5.4.270.0080.04212.35
5.4.260.0050.03812.34
5.4.250.0030.04112.34
5.4.240.0050.03712.35
5.4.230.0040.03912.34
5.4.220.0050.03812.34
5.4.210.0060.03612.34
5.4.200.0090.03412.34
5.4.190.0050.03712.33
5.4.180.0050.03712.33
5.4.170.0050.03812.34
5.4.160.0100.04212.34
5.4.150.0100.04612.34
5.4.140.0080.04212.02
5.4.130.0120.04312.01
5.4.120.0070.04011.96
5.4.110.0030.03811.96
5.4.100.0030.03811.96
5.4.90.0060.04211.96
5.4.80.0040.04011.96
5.4.70.0040.03511.96
5.4.60.0080.03211.96
5.4.50.0060.03711.96
5.4.40.0050.03611.95
5.4.30.0040.04011.95
5.4.20.0030.03811.95
5.4.10.0060.03511.94
5.4.00.0060.03511.43
5.3.290.0100.03512.80
5.3.280.0040.03912.71
5.3.270.0090.03512.72
5.3.260.0090.03512.72
5.3.250.0080.04612.72
5.3.240.0060.03712.72
5.3.230.0070.03712.71
5.3.220.0030.04312.68
5.3.210.0070.03712.68
5.3.200.0050.04012.68
5.3.190.0060.03712.67
5.3.180.0060.03612.67
5.3.170.0100.04312.67
5.3.160.0050.04312.67
5.3.150.0060.03712.68
5.3.140.0050.03612.66
5.3.130.0050.05312.65
5.3.120.0070.04412.66
5.3.110.0080.04012.65
5.3.100.0040.03912.12
5.3.90.0080.03412.08
5.3.80.0020.04112.07
5.3.70.0050.04012.08
5.3.60.0060.03712.07
5.3.50.0070.04312.00
5.3.40.0060.03612.00
5.3.30.0080.03311.94
5.3.20.0100.03611.72
5.3.10.0080.03311.69
5.3.00.0040.04011.68
5.2.170.0030.0329.18
5.2.160.0040.0309.18
5.2.150.0040.0319.18
5.2.140.0040.0319.17
5.2.130.0060.0329.13
5.2.120.0050.0309.13
5.2.110.0050.0369.14
5.2.100.0020.0319.14
5.2.90.0080.0299.14
5.2.80.0060.0359.13
5.2.70.0060.0399.13
5.2.60.0070.0389.09
5.2.50.0070.0279.06
5.2.40.0070.0369.03
5.2.30.0050.0299.01
5.2.20.0050.0289.00
5.2.10.0070.0258.92
5.2.00.0030.0298.78
5.1.60.0060.0228.06
5.1.50.0040.0248.06
5.1.40.0040.0248.04
5.1.30.0080.0348.39
5.1.20.0060.0338.41
5.1.10.0080.0388.14
5.1.00.0040.0278.14
5.0.50.0050.0296.61
5.0.40.0060.0336.48
5.0.30.0040.0376.29
5.0.20.0030.0196.27
5.0.10.0050.0186.24
5.0.00.0020.0326.23
4.4.90.0070.0184.78
4.4.80.0020.0214.75
4.4.70.0040.0244.76
4.4.60.0030.0144.75
4.4.50.0020.0194.77
4.4.40.0020.0274.71
4.4.30.0060.0174.76
4.4.20.0020.0214.84
4.4.10.0030.0254.85
4.4.00.0050.0224.76
4.3.110.0010.0174.67
4.3.100.0020.0154.66
4.3.90.0040.0134.63
4.3.80.0040.0304.58
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0040.0304.54
4.3.30.0030.0213.28
4.3.20.0030.0143.25
4.3.10.0030.0263.22
4.3.00.0000.01713.42

preferences:
31.12 ms | 401 KiB | 5 Q