3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 1, 'b' => 2, 'c' => 3); $b = array('a' => 1, 'b' => 2, 'd' => 3); var_dump(count(array_diff_key($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)
8.3.60.0140.00718.47
8.3.50.0120.00821.92
8.3.40.0000.01518.49
8.3.30.0070.00718.59
8.3.20.0000.00818.54
8.3.10.0030.00521.00
8.3.00.0000.00823.70
8.2.180.0110.00416.38
8.2.170.0110.00422.96
8.2.160.0140.00020.35
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0080.00826.16
8.2.120.0040.00421.00
8.2.110.0030.00620.35
8.2.100.0030.00917.72
8.2.90.0060.00319.27
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0080.00018.04
8.2.50.0000.00818.07
8.2.40.0000.00718.03
8.2.30.0040.00421.10
8.2.20.0040.00417.71
8.2.10.0030.00617.66
8.2.00.0000.00917.65
8.1.280.0060.01025.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.01022.46
8.1.230.0060.00620.91
8.1.220.0000.00818.77
8.1.210.0000.00818.91
8.1.200.0030.00617.35
8.1.190.0030.00617.41
8.1.180.0040.00418.10
8.1.170.0030.00618.36
8.1.160.0070.00418.75
8.1.150.0040.00418.49
8.1.140.0040.00417.38
8.1.130.0030.00317.73
8.1.120.0040.00417.44
8.1.110.0090.00017.41
8.1.100.0040.00417.46
8.1.90.0050.00317.41
8.1.80.0040.00417.49
8.1.70.0070.00017.46
8.1.60.0000.00917.55
8.1.50.0040.00417.39
8.1.40.0000.00717.47
8.1.30.0020.00517.62
8.1.20.0000.00817.57
8.1.10.0050.00317.45
8.1.00.0070.00317.34
8.0.300.0070.00419.91
8.0.290.0030.00417.18
8.0.280.0000.00718.30
8.0.270.0000.00717.18
8.0.260.0030.00516.66
8.0.250.0070.00016.89
8.0.240.0080.00016.91
8.0.230.0000.00716.88
8.0.220.0070.00016.68
8.0.210.0030.00316.72
8.0.200.0030.00316.90
8.0.190.0050.00216.96
8.0.180.0070.00016.80
8.0.170.0000.00816.94
8.0.160.0040.00416.77
8.0.150.0000.00716.93
8.0.140.0050.00216.86
8.0.130.0000.00513.27
8.0.120.0040.00416.84
8.0.110.0030.00516.80
8.0.100.0050.00216.82
8.0.90.0050.00316.79
8.0.80.0040.01216.87
8.0.70.0030.00616.88
8.0.60.0030.00516.76
8.0.50.0080.00016.76
8.0.30.0070.01216.89
8.0.20.0100.00917.40
8.0.10.0060.00316.88
8.0.00.0080.00816.72
7.4.330.0030.00214.66
7.4.320.0000.00616.54
7.4.300.0000.00716.54
7.4.290.0030.00316.58
7.4.280.0030.00316.48
7.4.270.0000.00616.58
7.4.260.0050.00013.32
7.4.250.0090.00016.38
7.4.240.0030.00316.58
7.4.230.0030.00316.68
7.4.220.0060.01216.56
7.4.210.0110.00516.52
7.4.200.0040.00416.42
7.4.190.0030.00316.58
7.4.160.0100.00516.38
7.4.150.0160.00617.40
7.4.140.0070.01217.86
7.4.130.0080.01116.49
7.4.120.0080.00816.39
7.4.110.0100.00716.46
7.4.100.0110.00616.38
7.4.90.0110.00616.55
7.4.80.0110.00619.39
7.4.70.0080.00916.41
7.4.60.0120.00916.45
7.4.50.0040.00416.47
7.4.40.0040.01122.52
7.4.30.0130.01016.59
7.4.00.0070.00414.77
7.3.330.0050.00012.93
7.3.320.0020.00213.08
7.3.310.0040.00416.16
7.3.300.0030.00316.10
7.3.290.0050.00916.23
7.3.280.0110.00916.18
7.3.270.0070.01017.40
7.3.260.0130.01018.24
7.3.250.0150.00316.33
7.3.240.0100.00716.29
7.3.230.0130.00316.39
7.3.210.0070.01416.20
7.3.200.0070.01419.39
7.3.190.0150.00616.22
7.3.180.0130.00316.48
7.3.170.0040.01216.28
7.3.160.0100.00616.18
7.3.120.0080.00515.04
7.3.10.0000.01216.68
7.3.00.0030.00716.41
7.2.330.0080.00816.56
7.2.320.0160.00616.45
7.2.310.0090.00916.23
7.2.300.0070.01016.66
7.2.290.0100.00716.33
7.2.130.0030.00716.79
7.2.120.0090.00616.66
7.2.110.0000.01616.58
7.2.100.0040.00416.87
7.2.90.0070.00716.92
7.2.80.0100.00316.13
7.2.70.0090.00316.55
7.2.60.0040.01116.56
7.2.50.0060.00316.73
7.2.40.0080.00816.75
7.2.30.0100.00316.94
7.2.20.0030.01016.83
7.2.10.0060.00616.85
7.2.00.0050.01117.93
7.1.250.0040.00815.82
7.1.200.0040.00815.60
7.1.100.0040.00817.88
7.1.70.0000.00817.17
7.1.60.0140.00719.40
7.1.50.0070.01416.92
7.1.00.0030.03322.44
7.0.200.0030.00516.73
7.0.140.0030.07322.15
7.0.70.0000.08021.72
7.0.60.0070.06721.66
7.0.50.0100.06722.20
7.0.40.0000.09020.04
7.0.30.0000.09720.05
7.0.20.0030.08720.04
7.0.10.0000.05020.13
7.0.00.0000.04720.16
5.6.280.0100.06721.00
5.6.220.0030.08720.55
5.6.210.0070.06320.45
5.6.200.0030.09020.92
5.6.190.0070.08021.11
5.6.180.0070.08021.02
5.6.170.0070.08320.96
5.6.160.0030.04321.04
5.6.150.0070.08721.04
5.6.140.0030.08721.01
5.6.130.0100.08321.18
5.6.120.0200.08021.16
5.6.110.0000.09020.88
5.6.100.0030.08721.05
5.6.90.0000.08321.04
5.6.80.0030.08720.32
5.6.70.0030.07020.53
5.6.60.0000.08320.43
5.6.50.0070.07720.47
5.6.40.0030.07020.46
5.6.30.0000.06020.39
5.6.20.0030.07720.39
5.6.10.0100.05720.45
5.6.00.0070.07320.38
5.5.360.0100.06020.45
5.5.350.0070.06720.41
5.5.340.0070.07720.70
5.5.330.0030.08720.71
5.5.320.0030.06020.80
5.5.310.0100.08020.80
5.5.300.0030.08720.83
5.5.290.0030.08020.82
5.5.280.0030.06320.71
5.5.270.0000.09320.74
5.5.260.0070.08320.71
5.5.250.0030.06020.64
5.5.240.0030.07720.25
5.5.230.0100.04020.27
5.5.220.0030.03720.18
5.5.210.0070.07720.01
5.5.200.0070.04720.24
5.5.190.0100.06719.98
5.5.180.0030.07320.16
5.5.160.0070.06720.18
5.5.150.0100.07720.11
5.5.140.0100.07020.23
5.5.130.0100.07320.06
5.5.120.0070.07320.21
5.5.110.0070.08020.18
5.5.100.0070.06020.11
5.5.90.0030.07720.12
5.5.80.0070.05020.05
5.5.70.0100.05720.13
5.5.60.0000.05319.97
5.5.50.0170.04720.03
5.5.40.0130.07020.06
5.5.30.0030.08019.92
5.5.20.0030.06020.11
5.5.10.0070.07320.00
5.5.00.0000.08319.98
5.4.450.0270.06019.40
5.4.440.0030.08319.35
5.4.430.0030.07719.13
5.4.420.0030.08319.57
5.4.410.0070.07719.27
5.4.400.0000.07719.12
5.4.390.0000.08019.04
5.4.380.0030.08319.24
5.4.370.0070.07019.06
5.4.360.0000.07019.11
5.4.350.0000.06018.96
5.4.340.0070.07718.88
5.4.320.0000.04318.90
5.4.310.0100.06719.05
5.4.300.0030.07719.02
5.4.290.0070.06019.10
5.4.280.0000.05719.22
5.4.270.0000.08319.05
5.4.260.0000.08319.12
5.4.250.0030.04718.79
5.4.240.0030.04319.02
5.4.230.0030.08019.05
5.4.220.0000.08018.94
5.4.210.0130.05019.02
5.4.200.0000.08019.02
5.4.190.0000.06719.09
5.4.180.0070.07019.11
5.4.170.0200.07018.89
5.4.160.0030.04318.92
5.4.150.0000.04019.02
5.4.140.0000.08016.38
5.4.130.0100.03716.27
5.4.120.0030.04716.32
5.4.110.0030.05316.22
5.4.100.0030.05716.34
5.4.90.0030.04716.26
5.4.80.0030.04316.47
5.4.70.0100.05716.31
5.4.60.0030.04016.21
5.4.50.0000.06316.30
5.4.40.0000.07716.26
5.4.30.0030.05016.28
5.4.20.0070.06316.38
5.4.10.0100.05716.41
5.4.00.0000.07715.71
5.3.290.0030.05014.62
5.3.280.0030.06014.60
5.3.270.0070.06314.46
5.3.260.0030.04314.46
5.3.250.0070.03714.55
5.3.240.0030.05714.57
5.3.230.0000.04014.44
5.3.220.0100.07014.56
5.3.210.0030.05314.57
5.3.200.0030.05314.52
5.3.190.0070.04314.51
5.3.180.0030.04714.42
5.3.170.0000.05314.52
5.3.160.0100.06714.55
5.3.150.0000.07314.55
5.3.140.0000.05014.54
5.3.130.0030.04314.48
5.3.120.0000.05714.48
5.3.110.0030.07714.46
5.3.100.0030.04713.98
5.3.90.0000.08014.00
5.3.80.0030.04013.95
5.3.70.0100.03713.92
5.3.60.0000.08013.79
5.3.50.0070.05013.89
5.3.40.0000.07313.79
5.3.30.0000.05013.69
5.3.20.0070.07013.54
5.3.10.0070.07013.66
5.3.00.0000.05013.59
5.2.170.0000.03712.23
5.2.160.0000.03012.23
5.2.150.0000.04312.23
5.2.140.0000.03312.23
5.2.130.0030.04712.23
5.2.120.0070.05312.23
5.2.110.0070.04312.23
5.2.100.0070.05012.23
5.2.90.0030.05012.23
5.2.80.0070.06012.23
5.2.70.0070.04712.23
5.2.60.0070.06012.23
5.2.50.0170.04712.23
5.2.40.0000.06012.23
5.2.30.0030.03712.23
5.2.20.0000.03312.23
5.2.10.0100.05012.23
5.2.00.0070.04712.23
5.1.60.0100.04012.23
5.1.50.0000.03712.23
5.1.40.0070.03012.23
5.1.30.0070.03012.23
5.1.20.0030.05312.23
5.1.10.0070.05312.23
5.1.00.0000.04012.23
5.0.50.0000.05012.23
5.0.40.0070.04012.23
5.0.30.0000.06012.23
5.0.20.0030.03312.23
5.0.10.0030.04312.23
5.0.00.0000.06312.23
4.4.90.0000.02312.23
4.4.80.0000.03712.23
4.4.70.0000.02012.23
4.4.60.0030.03012.23
4.4.50.0000.04012.23
4.4.40.0000.03712.23
4.4.30.0030.03312.23
4.4.20.0030.01712.23
4.4.10.0030.03312.23
4.4.00.0030.05312.23
4.3.110.0000.03712.23
4.3.100.0000.02712.23
4.3.90.0030.02312.23
4.3.80.0000.04312.23
4.3.70.0030.03312.23
4.3.60.0000.03312.23
4.3.50.0000.03712.23
4.3.40.0070.04712.23
4.3.30.0000.03012.23
4.3.20.0030.02712.23
4.3.10.0000.02712.23
4.3.00.0030.03312.23

preferences:
44.83 ms | 401 KiB | 5 Q