3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $b = null; var_dump($b['foo1']); $b = "5"; var_dump("5"['foo2']); $b = 345678; var_dump($b['foo3']);

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)
8.3.60.0120.00318.56
8.3.50.0130.00721.95
8.3.40.0070.00718.82
8.3.30.0100.00319.13
8.3.20.0060.00320.19
8.3.10.0050.00320.65
8.3.00.0030.00619.38
8.2.180.0120.00316.88
8.2.170.0040.01122.96
8.2.160.0100.00320.46
8.2.150.0070.00724.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0080.00021.01
8.2.110.0060.00320.47
8.2.100.0070.00317.91
8.2.90.0050.00318.22
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0030.00518.07
8.2.40.0050.00318.22
8.2.30.0000.00819.34
8.2.20.0040.00417.63
8.2.10.0000.00718.05
8.2.00.0000.00817.61
8.1.280.0140.00725.92
8.1.270.0080.00023.88
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00322.23
8.1.230.0000.01120.89
8.1.220.0040.00417.74
8.1.210.0000.00918.83
8.1.200.0060.00617.23
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0050.00318.46
8.1.160.0040.00421.82
8.1.150.0000.00718.93
8.1.140.0020.00517.42
8.1.130.0000.00717.74
8.1.120.0040.00417.45
8.1.110.0070.00017.40
8.1.100.0000.00817.43
8.1.90.0030.00317.30
8.1.80.0040.00417.39
8.1.70.0000.00917.25
8.1.60.0000.00817.56
8.1.50.0050.00317.50
8.1.40.0000.00817.39
8.1.30.0030.00517.60
8.1.20.0000.00717.63
8.1.10.0030.00617.47
8.1.00.0000.01117.44
8.0.300.0030.00320.07
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0030.00317.26
8.0.260.0030.00317.05
8.0.250.0000.00716.87
8.0.240.0060.00016.95
8.0.230.0000.00716.79
8.0.220.0030.00316.79
8.0.210.0030.00316.84
8.0.200.0040.00416.92
8.0.190.0000.00816.94
8.0.180.0070.00016.87
8.0.170.0000.00816.80
8.0.160.0040.00416.94
8.0.150.0040.00316.75
8.0.140.0050.00216.79
8.0.130.0030.00313.34
8.0.120.0080.00016.86
8.0.110.0030.00616.82
8.0.100.0070.00016.95
8.0.90.0000.00716.82
8.0.80.0090.00916.88
8.0.70.0000.00716.86
8.0.60.0040.00416.84
8.0.50.0040.00416.69
8.0.30.0140.00917.18
8.0.20.0120.01117.40
8.0.10.0070.00017.13
8.0.00.0080.01116.85
7.4.330.0050.00015.03
7.4.320.0070.00316.43
7.4.300.0040.00416.53
7.4.290.0030.00316.54
7.4.280.0030.00516.48
7.4.270.0030.00316.45
7.4.260.0000.00816.44
7.4.250.0070.00016.53
7.4.240.0040.00316.51
7.4.230.0030.00316.45
7.4.220.0070.01216.47
7.4.210.0070.01316.55
7.4.200.0030.00316.27
7.4.160.0080.00816.46
7.4.150.0060.01217.40
7.4.140.0090.00817.86
7.4.130.0070.01116.58
7.4.120.0120.00416.57
7.4.110.0080.00816.35
7.4.100.0160.00716.59
7.4.90.0170.00016.63
7.4.80.0060.01219.39
7.4.70.0140.00716.52
7.4.60.0070.01016.35
7.4.50.0030.00516.61
7.4.40.0090.00616.65
7.4.30.0100.00616.39
7.4.00.0030.01315.12
7.3.330.0030.00313.05
7.3.320.0000.00613.11
7.3.310.0000.00716.25
7.3.300.0000.00616.22
7.3.290.0120.00616.36
7.3.280.0100.00616.31
7.3.270.0090.00917.40
7.3.260.0070.01016.27
7.3.250.0070.01116.43
7.3.240.0120.00616.48
7.3.230.0090.00916.39
7.3.210.0030.01416.41
7.3.200.0110.01119.39
7.3.190.0090.01216.41
7.3.180.0090.00616.35
7.3.170.0040.01416.27
7.3.160.0080.00816.31
7.2.330.0110.00816.30
7.2.320.0030.01716.47
7.2.310.0090.01016.52
7.2.300.0080.00816.18
7.2.290.0060.01016.39
7.2.00.0040.00819.48
7.1.100.0000.01117.93
7.1.70.0040.00417.10
7.1.60.0100.01319.61
7.1.50.0120.01216.71
7.1.00.0070.08722.32
7.0.200.0690.01014.78
7.0.140.0030.07321.98
7.0.60.0030.08719.89
7.0.50.0070.08317.79
7.0.40.0030.04720.21
7.0.30.0500.08020.01
7.0.20.0370.06720.20
7.0.10.0100.08320.13
7.0.00.0100.03720.16
5.6.280.0170.06021.02
5.6.210.0000.04320.75
5.6.200.0030.06018.18
5.6.190.0070.04320.41
5.6.180.0370.07020.35
5.6.170.0270.05320.63
5.6.160.0130.04720.52
5.6.150.0070.08018.16
5.6.140.0130.07318.18
5.6.130.0070.07318.20
5.6.120.0230.06720.92
5.6.110.0070.07720.94
5.6.100.0030.08720.96
5.6.90.0100.09021.01
5.6.80.0070.06720.53
5.5.350.0130.07020.39
5.5.340.0130.07317.92
5.5.330.0070.07320.57
5.5.320.0370.05720.37
5.5.310.0200.08320.34
5.5.300.0100.04318.02
5.5.290.0070.08017.92
5.5.280.0070.04020.86
5.5.270.0030.05720.77
5.5.260.0100.05320.75
5.5.250.0070.07720.61
5.5.240.0270.02720.22
5.4.450.0100.04719.20
5.4.440.0100.03719.28
5.4.430.0300.04019.38
5.4.420.0330.04019.54
5.4.410.0270.03719.18
5.4.400.0530.04318.96
5.4.390.0370.05018.88
5.4.380.0370.04318.74
5.4.370.0200.06018.46
5.4.360.0230.06318.56
5.4.350.0230.05318.75
5.4.340.0170.06018.69
5.4.320.0070.03912.50
5.4.310.0040.04012.49
5.4.300.0050.03712.50
5.4.290.0060.03812.49
5.4.280.0040.03812.39
5.4.270.0060.03512.39
5.4.260.0050.03912.39
5.4.250.0060.03612.39
5.4.240.0080.03312.39
5.4.230.0090.04812.38
5.4.220.0030.05212.38
5.4.210.0060.03512.38
5.4.200.0030.04012.38
5.4.190.0070.03412.38
5.4.180.0030.03912.38
5.4.170.0070.03712.39
5.4.160.0030.03912.38
5.4.150.0080.03512.38
5.4.140.0050.03912.07
5.4.130.0070.04012.05
5.4.120.0070.03612.02
5.4.110.0050.03712.01
5.4.100.0090.03312.01
5.4.90.0110.03212.01
5.4.80.0080.03512.01
5.4.70.0070.03312.01
5.4.60.0050.03612.00
5.4.50.0050.03512.01
5.4.40.0060.03511.99
5.4.30.0050.03611.99
5.4.20.0050.03711.99
5.4.10.0060.03411.99
5.4.00.0040.03811.48
5.3.290.0060.03912.80
5.3.280.0080.03612.71
5.3.270.0060.03912.72
5.3.260.0130.03912.72
5.3.250.0070.03812.72
5.3.240.0080.04012.72
5.3.230.0050.04112.71
5.3.220.0060.03712.68
5.3.210.0060.04312.68
5.3.200.0070.03612.68
5.3.190.0060.03912.67
5.3.180.0060.04612.67
5.3.170.0040.04212.67
5.3.160.0090.03312.67
5.3.150.0060.03812.67
5.3.140.0050.03812.66
5.3.130.0090.03612.66
5.3.120.0070.03812.66
5.3.110.0060.03912.65
5.3.100.0060.03712.12
5.3.90.0060.03712.09
5.3.80.0050.03812.07
5.3.70.0060.03812.07
5.3.60.0060.04612.07
5.3.50.0080.03412.00
5.3.40.0090.03312.00
5.3.30.0050.03611.95
5.3.20.0020.04011.72
5.3.10.0070.03411.70
5.3.00.0040.03811.69
5.2.170.0030.0329.18
5.2.160.0030.0309.19
5.2.150.0070.0279.19
5.2.140.0070.0289.18
5.2.130.0040.0299.14
5.2.120.0060.0279.14
5.2.110.0040.0299.15
5.2.100.0060.0269.14
5.2.90.0050.0289.14
5.2.80.0030.0329.14
5.2.70.0090.0269.14
5.2.60.0060.0289.09
5.2.50.0040.0299.06
5.2.40.0060.0269.03
5.2.30.0050.0299.01
5.2.20.0080.0259.00
5.2.10.0080.0258.93
5.2.00.0050.0288.79
5.1.60.0040.0268.07
5.1.50.0070.0228.07
5.1.40.0040.0278.05
5.1.30.0060.0268.40
5.1.20.0050.0268.41
5.1.10.0050.0258.15
5.1.00.0050.0258.14
5.0.50.0040.0206.62
5.0.40.0040.0206.48
5.0.30.0030.0326.29
5.0.20.0050.0176.26
5.0.10.0010.0236.24
5.0.00.0030.0306.23
4.4.90.0030.0154.78
4.4.80.0050.0124.76
4.4.70.0010.0164.76
4.4.60.0010.0164.75
4.4.50.0020.0154.77
4.4.40.0010.0264.71
4.4.30.0030.0184.75
4.4.20.0030.0164.84
4.4.10.0010.0174.85
4.4.00.0020.0274.76
4.3.110.0030.0164.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0030.0254.59
4.3.70.0030.0144.63
4.3.60.0010.0204.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0020.0153.29
4.3.20.0000.0183.26
4.3.10.0040.0133.22
4.3.00.0070.01713.95

preferences:
50.36 ms | 401 KiB | 5 Q