3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('toto' => 0); var_dump($a); $b = array('toto' => $a['toto']); var_dump($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)
8.3.40.0110.00318.67
8.3.30.0120.00318.90
8.3.20.0050.00220.31
8.3.10.0050.00322.09
8.3.00.0000.00722.34
8.2.170.0060.01322.96
8.2.160.0070.00720.94
8.2.150.0110.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00019.36
8.2.110.0030.00622.08
8.2.100.0040.00817.78
8.2.90.0030.00519.27
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00717.80
8.2.50.0030.00518.07
8.2.40.0000.00817.99
8.2.30.0040.00417.93
8.2.20.0000.00717.58
8.2.10.0050.00319.45
8.2.00.0040.00417.74
8.1.270.0040.00423.82
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00023.79
8.1.230.0070.00419.15
8.1.220.0000.00917.79
8.1.210.0040.00418.77
8.1.200.0000.00817.22
8.1.190.0080.00017.28
8.1.180.0000.00818.10
8.1.170.0000.00818.50
8.1.160.0000.00821.90
8.1.150.0090.00018.55
8.1.140.0000.01017.37
8.1.130.0030.00317.82
8.1.120.0000.00717.38
8.1.110.0000.00717.27
8.1.100.0040.00417.37
8.1.90.0040.00417.28
8.1.80.0040.00417.39
8.1.70.0000.00617.36
8.1.60.0070.00417.39
8.1.50.0040.00417.46
8.1.40.0040.00417.32
8.1.30.0040.00417.53
8.1.20.0040.00417.66
8.1.10.0000.00717.49
8.1.00.0000.00717.44
8.0.300.0040.00418.77
8.0.290.0040.00417.04
8.0.280.0070.00018.37
8.0.270.0030.00317.19
8.0.260.0090.00016.61
8.0.250.0030.00516.77
8.0.240.0030.00316.88
8.0.230.0000.00716.87
8.0.220.0030.00316.75
8.0.210.0030.00316.82
8.0.200.0000.00616.84
8.0.190.0000.00716.93
8.0.180.0040.00416.73
8.0.170.0040.00416.73
8.0.160.0030.00516.63
8.0.150.0080.00016.74
8.0.140.0040.00416.67
8.0.130.0030.00313.27
8.0.120.0000.00816.75
8.0.110.0050.00316.68
8.0.100.0040.00416.69
8.0.90.0050.00316.70
8.0.80.0050.01016.79
8.0.70.0080.00016.76
8.0.60.0000.00716.89
8.0.50.0040.00416.81
8.0.30.0160.00617.04
8.0.20.0110.00917.40
8.0.10.0070.00016.82
8.0.00.0120.00716.73
7.4.330.0000.00615.03
7.4.320.0000.00716.41
7.4.300.0000.00616.44
7.4.290.0000.00716.58
7.4.280.0030.00316.56
7.4.270.0000.00616.58
7.4.260.0040.00416.35
7.4.250.0040.00416.29
7.4.240.0000.00816.36
7.4.230.0000.00716.31
7.4.220.0070.01416.61
7.4.210.0070.00916.44
7.4.200.0000.00716.51
7.4.190.0070.00016.69
7.4.160.0120.00416.39
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0160.00116.51
7.4.120.0180.00216.39
7.4.110.0100.00716.43
7.4.100.0100.00716.35
7.4.90.0080.00816.24
7.4.80.0100.00716.49
7.4.70.0060.01216.26
7.4.60.0060.01016.36
7.4.50.0050.00316.26
7.4.40.0050.00522.77
7.4.30.0070.00716.54
7.4.00.0030.01015.09
7.3.330.0000.00513.13
7.3.320.0000.00513.11
7.3.310.0030.00316.06
7.3.300.0030.00316.21
7.3.290.0130.00716.16
7.3.280.0060.01016.17
7.3.270.0060.01617.40
7.3.260.0090.01216.48
7.3.250.0050.01216.36
7.3.240.0130.00616.39
7.3.230.0060.00916.39
7.3.210.0100.01016.36
7.3.200.0120.00919.39
7.3.190.0130.01016.37
7.3.180.0100.00616.20
7.3.170.0060.00916.30
7.3.160.0040.01216.30
7.3.120.0090.00617.15
7.3.110.0060.00917.15
7.3.100.0050.00517.15
7.3.90.0040.01117.15
7.3.80.0040.01117.15
7.3.70.0110.00417.15
7.3.60.0100.00617.15
7.3.50.0000.01617.15
7.3.40.0040.01217.15
7.3.30.0060.00817.15
7.3.20.0070.00417.15
7.3.10.0100.00617.15
7.3.00.0060.01017.15
7.2.330.0070.01016.43
7.2.320.0100.00616.68
7.2.310.0080.00816.50
7.2.300.0090.01616.44
7.2.290.0180.00616.29
7.2.240.0030.01017.15
7.2.230.0070.01017.15
7.2.220.0060.01217.15
7.2.210.0030.00717.15
7.2.200.0140.00317.15
7.2.190.0060.00917.15
7.2.180.0060.00917.15
7.2.170.0130.00017.15
7.2.160.0070.00717.15
7.2.150.0080.00817.15
7.2.140.0000.01217.15
7.2.130.0100.00017.15
7.2.120.0040.00717.15
7.2.110.0110.00417.15
7.2.100.0070.00717.15
7.2.90.0000.01217.15
7.2.80.0080.00617.15
7.2.70.0090.00917.15
7.2.60.0110.00417.15
7.2.50.0070.01017.15
7.2.40.0060.01317.15
7.2.30.0100.00717.15
7.2.20.0040.01217.15
7.2.10.0030.01317.15
7.2.00.0070.01117.15
7.1.330.0070.00717.15
7.1.320.0100.00717.15
7.1.310.0090.00617.15
7.1.300.0070.01017.15
7.1.290.0100.00717.15
7.1.280.0060.00617.15
7.1.270.0090.00617.15
7.1.260.0060.01217.15
7.1.250.0030.01017.15
7.1.70.0000.01017.19
7.1.60.0070.01019.24
7.1.50.0060.01517.00
7.1.00.0070.07322.43
7.0.200.0000.01216.56
7.0.140.0130.06322.09
7.0.60.0100.04019.82
7.0.50.0070.06017.89
7.0.40.0130.08020.24
7.0.30.0230.04720.29
7.0.20.0330.05720.09
7.0.10.0400.06720.01
7.0.00.0070.05720.09
5.6.280.0070.06720.90
5.6.210.0130.08020.72
5.6.200.0070.08018.15
5.6.190.0030.05320.41
5.6.180.3870.04320.36
5.6.170.0230.03320.42
5.6.160.0100.07320.50
5.6.150.0070.04018.21
5.6.140.0030.07318.10
5.6.130.0100.08018.14
5.6.120.0100.03320.99
5.6.110.0130.07021.00
5.6.100.0070.08720.97
5.6.90.0200.08320.96
5.6.80.0130.07020.36
5.6.70.4170.03720.27
5.5.350.0170.07720.41
5.5.340.0070.04718.01
5.5.330.0100.08020.07
5.5.320.0130.05320.14
5.5.310.0230.08020.27
5.5.300.0100.08018.02
5.5.290.0100.07717.96
5.5.280.0100.03320.76
5.5.270.0070.08020.82
5.5.260.0070.04020.78
5.5.250.0070.04320.45
5.5.240.0130.07020.34
5.4.450.0200.05719.60
5.4.440.1070.07719.47
5.4.430.0230.06019.63
5.4.420.0130.05319.20
5.4.410.0170.05018.92
5.4.400.0830.06318.83
5.4.390.1430.06018.73
5.4.380.0270.05318.78
5.4.370.0100.05318.50
5.4.360.0000.06018.60
5.4.350.0050.03911.97
5.4.340.0090.03311.97
5.4.320.0050.03612.45
5.4.310.0060.03612.45
5.4.300.0070.04512.45
5.4.290.0060.03812.45
5.4.280.0050.03912.32
5.4.270.0040.05412.32
5.4.260.0110.05612.32
5.4.250.0100.04912.32
5.4.240.0090.03812.32
5.4.230.0090.05712.31
5.4.220.0080.05712.31
5.4.210.0080.03612.31
5.4.200.0070.03812.31
5.4.190.0070.03612.31
5.4.180.0080.03712.30
5.4.170.0070.05112.32
5.4.160.0120.04512.31
5.4.150.0090.04712.31
5.4.140.0110.05211.99
5.4.130.0060.04911.98
5.4.120.0050.05611.94
5.4.110.0060.05511.94
5.4.100.0070.05011.94
5.4.90.0070.05511.93
5.4.80.0080.04111.93
5.4.70.0060.03711.93
5.4.60.0050.03711.94
5.4.50.0040.03811.93
5.4.40.0040.03711.92
5.4.30.0080.03511.92
5.4.20.0080.04711.92
5.4.10.0110.04211.92
5.4.00.0060.03911.41
5.3.290.0050.03912.80
5.3.280.0080.03612.71
5.3.270.0120.05012.72
5.3.260.0070.05212.72
5.3.250.0110.04512.72
5.3.240.0070.04812.72
5.3.230.0080.04612.71
5.3.220.0090.03612.68
5.3.210.0070.04012.68
5.3.200.0080.03612.68
5.3.190.0060.03912.68
5.3.180.0080.03712.68
5.3.170.0060.03612.66
5.3.160.0080.04012.68
5.3.150.0040.04412.67
5.3.140.0070.05612.66
5.3.130.0090.05412.66
5.3.120.0070.05912.66
5.3.110.0090.05712.66
5.3.100.0090.03712.12
5.3.90.0090.05412.09
5.3.80.0040.05612.08
5.3.70.0110.04912.08
5.3.60.0050.05512.07
5.3.50.0090.05012.00
5.3.40.0090.04612.00
5.3.30.0040.03611.94
5.3.20.0050.03611.70
5.3.10.0060.03611.66
5.3.00.0060.03611.66
5.2.170.0040.0319.15
5.2.160.0050.0299.15
5.2.150.0050.0309.15
5.2.140.0040.0339.15
5.2.130.0060.0299.11
5.2.120.0080.0249.11
5.2.110.0090.0249.12
5.2.100.0050.0299.11
5.2.90.0070.0319.11
5.2.80.0060.0349.11
5.2.70.0060.0419.11
5.2.60.0090.0379.06
5.2.50.0050.0399.03
5.2.40.0060.0379.00
5.2.30.0060.0408.98
5.2.20.0120.0318.97
5.2.10.0090.0348.90
5.2.00.0070.0328.76
5.1.60.0040.0328.04
5.1.50.0080.0218.04
5.1.40.0040.0268.03
5.1.30.0050.0458.37
5.1.20.0070.0298.40
5.1.10.0050.0258.12
5.1.00.0040.0268.12
5.0.50.0030.0246.60
5.0.40.0020.0226.46
5.0.30.0020.0346.27
5.0.20.0050.0196.25
5.0.10.0020.0246.23
5.0.00.0030.0346.21
4.4.90.0060.0154.78
4.4.80.0030.0164.75
4.4.70.0030.0194.76
4.4.60.0040.0144.75
4.4.50.0030.0164.77
4.4.40.0040.0254.71
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0060.0134.85
4.4.00.0030.0324.76
4.3.110.0020.0174.67
4.3.100.0050.0204.66
4.3.90.0020.0174.63
4.3.80.0030.0254.58
4.3.70.0010.0174.63
4.3.60.0040.0144.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0060.0163.28
4.3.20.0030.0153.25
4.3.10.0020.0203.22
4.3.00.0170.0208.15

preferences:
42.27 ms | 400 KiB | 5 Q