3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $b = null; var_dump($b['foo1']); $b = array(); var_dump($b['foo']); $b = "string"; var_dump($b['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)
8.3.60.0040.01118.43
8.3.50.0160.00122.05
8.3.40.0070.01118.92
8.3.30.0100.00319.23
8.3.20.0070.00020.33
8.3.10.0040.00420.61
8.3.00.0050.00319.50
8.2.180.0060.00916.50
8.2.170.0090.00622.96
8.2.160.0100.00320.45
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0080.00021.04
8.2.110.0060.00320.38
8.2.100.0140.00018.22
8.2.90.0000.00719.05
8.2.80.0050.00317.97
8.2.70.0050.00517.50
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00818.22
8.2.30.0060.00319.31
8.2.20.0000.00717.65
8.2.10.0040.00417.95
8.2.00.0040.00417.73
8.1.280.0130.00725.92
8.1.270.0060.00323.96
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00323.96
8.1.230.0000.01219.09
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00917.22
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0000.00818.49
8.1.160.0050.00221.95
8.1.150.0040.00418.82
8.1.140.0060.00317.42
8.1.130.0030.00317.86
8.1.120.0040.00417.36
8.1.110.0040.00417.32
8.1.100.0030.00317.27
8.1.90.0040.00317.39
8.1.80.0040.00417.43
8.1.70.0040.00417.39
8.1.60.0040.00417.54
8.1.50.0040.00417.53
8.1.40.0000.00817.41
8.1.30.0040.00417.54
8.1.20.0000.00717.63
8.1.10.0030.00517.60
8.1.00.0090.00317.36
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0000.00718.30
8.0.270.0030.00317.18
8.0.260.0060.00017.24
8.0.250.0030.00316.96
8.0.240.0000.00617.02
8.0.230.0000.00716.95
8.0.220.0030.00316.85
8.0.210.0060.00016.88
8.0.200.0030.00516.84
8.0.190.0000.00816.86
8.0.180.0070.00016.87
8.0.170.0040.00416.82
8.0.160.0000.00716.77
8.0.150.0000.00716.87
8.0.140.0040.00416.88
8.0.130.0060.00013.25
8.0.120.0040.00416.84
8.0.110.0000.00716.96
8.0.100.0000.00716.75
8.0.90.0080.00016.86
8.0.80.0030.01416.93
8.0.70.0000.00716.84
8.0.60.0050.00216.95
8.0.50.0000.00716.84
8.0.30.0060.01417.24
8.0.20.0100.01017.40
8.0.10.0000.00716.82
8.0.00.0060.01216.80
7.4.330.0030.00315.00
7.4.320.0040.00416.34
7.4.300.0000.00616.29
7.4.290.0000.00716.36
7.4.280.0070.00016.54
7.4.270.0000.00716.52
7.4.260.0040.00416.43
7.4.250.0040.00416.45
7.4.240.0020.00516.57
7.4.230.0070.00016.64
7.4.220.0040.01516.54
7.4.210.0130.00616.45
7.4.200.0000.00716.27
7.4.160.0140.00416.43
7.4.150.0110.00917.40
7.4.140.0070.01117.86
7.4.130.0090.00716.43
7.4.120.0140.00416.49
7.4.110.0070.01016.40
7.4.100.0060.01516.34
7.4.90.0090.00916.60
7.4.80.0110.01119.39
7.4.70.0150.00616.24
7.4.60.0090.00816.45
7.4.50.0040.00416.20
7.4.40.0060.00916.38
7.4.30.0040.01116.43
7.4.00.0030.01014.94
7.3.330.0000.00613.21
7.3.320.0000.00513.14
7.3.310.0030.00316.25
7.3.300.0030.00616.12
7.3.290.0170.00016.26
7.3.280.0100.00816.25
7.3.270.0030.01517.40
7.3.260.0160.00816.78
7.3.250.0090.00916.29
7.3.240.0160.00416.48
7.3.230.0140.00316.39
7.3.210.0080.01416.29
7.3.200.0110.02719.39
7.3.190.0100.01016.18
7.3.180.0060.01216.63
7.3.170.0090.00616.32
7.3.160.0080.00816.21
7.2.330.0110.00716.59
7.2.320.0100.01016.57
7.2.310.0080.01416.58
7.2.300.0140.00316.61
7.2.290.0170.00016.32
7.2.00.0040.00819.04
7.1.100.0050.00518.07
7.1.70.0000.01016.84
7.1.60.0100.01319.61
7.1.50.0120.01216.95
7.1.00.0070.07322.44
7.0.200.0550.00914.41
7.0.140.0070.07322.15
7.0.60.0000.08719.93
7.0.50.0100.03717.66
7.0.40.0070.04020.19
7.0.30.0600.06720.02
7.0.20.0300.08720.04
7.0.10.0200.07020.09
7.0.00.0100.05320.14
5.6.280.0030.07320.78
5.6.210.0030.04020.70
5.6.200.0030.08718.17
5.6.190.0070.04320.49
5.6.180.0270.06320.68
5.6.170.0230.08320.33
5.6.160.0100.07320.44
5.6.150.0030.04018.07
5.6.140.0070.08318.22
5.6.130.0100.05718.18
5.6.120.0230.07720.93
5.6.110.0070.05720.98
5.6.100.0070.08321.10
5.6.90.0070.06320.99
5.6.80.0100.07020.53
5.5.350.0200.07720.38
5.5.340.0200.04017.92
5.5.330.0130.05020.37
5.5.320.0300.05320.29
5.5.310.0230.05720.20
5.5.300.0100.08017.93
5.5.290.0130.04717.97
5.5.280.0070.03720.79
5.5.270.0030.04320.82
5.5.260.0070.08720.75
5.5.250.0100.03720.70
5.5.240.0170.04720.26
5.4.450.0130.04719.38
5.4.440.0200.04019.50
5.4.430.0600.04019.48
5.4.420.0400.04319.25
5.4.410.0200.04319.32
5.4.400.0200.03318.81
5.4.390.0230.04319.25
5.4.380.0300.06018.62
5.4.370.0270.06718.74
5.4.360.0170.05718.66
5.4.350.0200.05318.72
5.4.340.0300.04718.68
5.4.320.0060.03612.45
5.4.310.0070.03612.45
5.4.300.0040.03912.45
5.4.290.0040.05212.45
5.4.280.0040.03812.34
5.4.270.0110.03212.35
5.4.260.0050.04012.34
5.4.250.0100.03312.35
5.4.240.0060.03612.34
5.4.230.0060.03812.34
5.4.220.0090.04712.34
5.4.210.0100.04312.34
5.4.200.0090.04212.34
5.4.190.0100.04612.33
5.4.180.0060.03712.33
5.4.170.0070.03712.34
5.4.160.0050.03812.34
5.4.150.0100.03312.34
5.4.140.0100.04812.02
5.4.130.0040.03912.01
5.4.120.0090.03811.97
5.4.110.0080.04411.96
5.4.100.0140.03611.96
5.4.90.0080.04211.96
5.4.80.0060.04711.96
5.4.70.0060.03811.96
5.4.60.0050.03511.96
5.4.50.0050.04111.96
5.4.40.0110.04911.95
5.4.30.0050.03911.95
5.4.20.0060.03611.95
5.4.10.0070.03411.95
5.4.00.0060.03811.44
5.3.290.0090.03812.80
5.3.280.0090.03512.71
5.3.270.0070.04012.72
5.3.260.0060.04412.72
5.3.250.0100.03512.72
5.3.240.0080.03612.72
5.3.230.0100.03912.71
5.3.220.0090.04612.68
5.3.210.0190.06212.68
5.3.200.0120.05312.68
5.3.190.0090.04112.67
5.3.180.0080.03512.67
5.3.170.0070.04212.67
5.3.160.0070.03712.68
5.3.150.0060.04412.67
5.3.140.0090.03512.66
5.3.130.0070.04412.66
5.3.120.0070.03912.66
5.3.110.0090.04312.66
5.3.100.0070.03712.12
5.3.90.0050.03912.08
5.3.80.0070.03512.07
5.3.70.0060.03712.07
5.3.60.0070.03712.07
5.3.50.0050.03812.00
5.3.40.0070.03512.00
5.3.30.0070.03511.94
5.3.20.0050.04111.72
5.3.10.0060.03611.69
5.3.00.0090.03711.68
5.2.170.0050.0319.18
5.2.160.0050.0299.18
5.2.150.0040.0329.18
5.2.140.0020.0339.17
5.2.130.0030.0359.14
5.2.120.0080.0259.13
5.2.110.0050.0319.14
5.2.100.0050.0309.14
5.2.90.0050.0299.14
5.2.80.0070.0329.13
5.2.70.0040.0319.13
5.2.60.0030.0319.09
5.2.50.0070.0299.05
5.2.40.0070.0389.03
5.2.30.0080.0419.01
5.2.20.0050.0309.00
5.2.10.0050.0278.94
5.2.00.0020.0318.79
5.1.60.0070.0218.08
5.1.50.0040.0268.07
5.1.40.0050.0288.06
5.1.30.0050.0338.41
5.1.20.0050.0278.43
5.1.10.0060.0348.15
5.1.00.0070.0258.15
5.0.50.0040.0206.63
5.0.40.0030.0196.49
5.0.30.0020.0336.30
5.0.20.0030.0206.27
5.0.10.0040.0206.25
5.0.00.0040.0366.24
4.4.90.0040.0144.78
4.4.80.0030.0194.76
4.4.70.0020.0174.76
4.4.60.0020.0204.75
4.4.50.0050.0144.77
4.4.40.0020.0264.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0000.0184.85
4.4.00.0040.0244.76
4.3.110.0030.0164.67
4.3.100.0030.0154.66
4.3.90.0010.0174.64
4.3.80.0050.0244.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0030.0184.63
4.3.40.0010.0264.54
4.3.30.0030.0153.30
4.3.20.0030.0173.27
4.3.10.0030.0153.23
4.3.00.0030.01713.95

preferences:
43.97 ms | 401 KiB | 5 Q