3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $var = new StdClass(); $var->foo = 'bar'; $GLOBALS['this'] = $var; var_dump($this); $var->foo = 'baz'; $foo = 'this'; $$foo = $var; var_dump($this); foo($this); function foo($this){ var_dump($this); $GLOBALS['this']->foo = 'baw'; $$GLOBALS['foo'] = $GLOBALS['this']; var_dump($this); }

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)
8.3.60.0080.00816.75
8.3.50.0090.00922.82
8.3.40.0070.00718.67
8.3.30.0070.00718.92
8.3.20.0060.00319.96
8.3.10.0040.00423.71
8.3.00.0080.00017.38
8.2.180.0110.01116.50
8.2.170.0110.00422.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0120.00326.16
8.2.120.0040.00420.97
8.2.110.0130.01022.26
8.2.100.0100.00319.47
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0030.00517.91
8.2.50.0000.00918.07
8.2.40.0040.00418.16
8.2.30.0000.00717.82
8.2.20.0000.00717.51
8.2.10.0020.00517.93
8.2.00.0040.00417.46
8.1.280.0040.01125.92
8.1.270.0050.00323.92
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.84
8.1.230.0080.00319.02
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.22
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0000.00721.95
8.1.150.0000.00718.77
8.1.140.0070.00017.20
8.1.130.0000.00717.77
8.1.120.0040.00417.41
8.1.110.0040.00417.23
8.1.100.0040.00417.32
8.1.90.0030.00317.34
8.1.80.0030.00317.26
8.1.70.0000.00717.22
8.1.60.0060.00317.48
8.1.50.0030.00617.30
8.1.40.0000.00817.41
8.1.30.0090.00017.36
8.1.20.0040.00417.59
8.1.10.0080.00017.31
8.1.00.0000.00717.34
8.0.300.0020.00518.77
8.0.290.0000.00716.63
8.0.280.0030.00318.32
8.0.270.0070.00017.13
8.0.260.0000.00617.05
8.0.250.0030.00316.92
8.0.240.0040.00416.85
8.0.230.0030.00316.87
8.0.220.0000.00716.75
8.0.210.0040.00416.86
8.0.200.0020.00516.91
8.0.190.0040.00416.86
8.0.180.0000.00716.74
8.0.170.0040.00416.81
8.0.160.0080.00016.72
8.0.150.0040.00416.84
8.0.140.0030.00416.77
8.0.130.0000.00613.27
8.0.120.0000.00716.69
8.0.110.0000.00716.78
8.0.100.0000.00716.68
8.0.90.0040.00416.94
8.0.80.0110.00416.81
8.0.70.0030.00516.64
8.0.60.0040.00416.90
8.0.50.0040.00416.89
8.0.30.0150.00817.04
8.0.20.0060.01617.40
8.0.10.0040.00416.84
8.0.00.0050.01216.66
7.4.330.0020.00215.00
7.4.320.0000.00616.38
7.4.300.0030.00316.39
7.4.290.0000.00716.48
7.4.280.0050.00316.48
7.4.270.0000.00716.39
7.4.260.0000.00716.41
7.4.250.0000.00816.33
7.4.240.0030.00316.32
7.4.230.0000.00716.21
7.4.220.0060.01216.51
7.4.210.0070.00716.28
7.4.200.0040.00416.23
7.4.160.0100.00716.45
7.4.150.0060.01217.40
7.4.140.0090.00917.86
7.4.130.0120.00716.32
7.4.120.0140.00316.41
7.4.110.0170.00016.37
7.4.100.0070.01016.48
7.4.90.0070.01016.51
7.4.80.0090.01219.39
7.4.70.0120.00916.48
7.4.60.0110.00616.50
7.4.50.0000.00416.32
7.4.40.0100.00716.50
7.4.30.0100.00716.24
7.4.00.0060.00914.72
7.3.330.0000.00513.02
7.3.320.0050.00013.21
7.3.310.0030.00316.32
7.3.300.0000.00716.24
7.3.290.0030.01016.21
7.3.280.0050.01116.21
7.3.270.0070.01117.40
7.3.260.0030.01316.48
7.3.250.0100.00916.38
7.3.240.0050.01116.21
7.3.230.0120.00916.39
7.3.210.0120.00816.30
7.3.200.0090.01219.39
7.3.190.0140.00716.22
7.3.180.0030.01316.19
7.3.170.0110.01116.27
7.3.160.0120.00416.29
7.2.330.0130.00616.26
7.2.320.0120.00916.34
7.2.310.0120.00416.17
7.2.300.0110.00716.49
7.2.290.0100.00616.28
7.2.60.0030.00916.74
7.2.00.0060.00619.09
7.1.200.0070.00315.45
7.1.100.0030.01018.11
7.1.70.0040.01816.75
7.1.60.0070.01419.40
7.1.50.0070.01816.62
7.1.00.0030.07722.33
7.0.200.0040.00416.81
7.0.140.0070.06722.18
7.0.60.0000.08319.97
7.0.50.0100.07717.84
7.0.40.0100.06020.09
7.0.30.0300.07720.21
7.0.20.0230.08320.19
7.0.10.0070.07020.08
7.0.00.0100.09020.30
5.6.280.0000.07320.86
5.6.210.0130.06020.63
5.6.200.0130.08018.16
5.6.190.0000.05020.47
5.6.180.3130.04320.52
5.6.170.0270.04320.55
5.6.160.0130.07720.50
5.6.150.0170.07318.18
5.6.140.0070.06318.17
5.6.130.0100.07718.18
5.6.120.0030.05320.96
5.6.110.0170.07321.15
5.6.100.0100.07721.14
5.6.90.0130.07321.13
5.6.80.0070.08020.49
5.6.70.3530.04020.38
5.5.350.0230.07720.41
5.5.340.0100.06318.04
5.5.330.0100.08720.14
5.5.320.3400.04020.31
5.5.310.0200.07720.19
5.5.300.0070.08017.97
5.5.290.0100.07017.95
5.5.280.0170.07720.96
5.5.270.0070.08320.74
5.5.260.0130.08020.87
5.5.250.0030.08720.79
5.5.240.0230.05320.13
5.4.450.0670.03319.17
5.4.440.0300.05019.47
5.4.430.0370.04319.63
5.4.420.0400.04019.32
5.4.410.0300.04019.19
5.4.400.0330.03019.16
5.4.390.0630.04019.15
5.4.380.0100.05718.73
5.4.370.0270.05018.59
5.4.360.0170.05018.73
5.4.350.0170.06318.64
5.4.340.0130.05318.51
5.4.320.0040.03712.50
5.4.310.0050.03912.50
5.4.300.0060.03612.50
5.4.290.0080.03412.50
5.4.280.0050.03512.40
5.4.270.0050.03712.39
5.4.260.0060.04512.39
5.4.250.0040.03812.40
5.4.240.0050.03512.40
5.4.230.0050.04712.39
5.4.220.0050.03512.39
5.4.210.0070.03312.39
5.4.200.0050.04312.39
5.4.190.0090.03512.39
5.4.180.0090.03412.38
5.4.170.0050.04012.39
5.4.160.0060.03812.39
5.4.150.0050.03512.39
5.4.140.0080.04012.07
5.4.130.0040.03512.06
5.4.120.0050.03612.02
5.4.110.0100.03312.02
5.4.100.0040.03712.02
5.4.90.0040.04212.02
5.4.80.0060.03612.02
5.4.70.0050.03512.01
5.4.60.0030.03812.00
5.4.50.0050.03512.01
5.4.40.0050.03412.00
5.4.30.0070.03312.00
5.4.20.0050.03511.99
5.4.10.0070.03312.00
5.4.00.0060.03511.48
5.3.290.0060.03812.80
5.3.280.0060.04112.71
5.3.270.0080.04212.72
5.3.260.0070.03712.72
5.3.250.0080.04312.72
5.3.240.0050.03812.72
5.3.230.0070.03712.71
5.3.220.0060.03612.68
5.3.210.0100.04212.68
5.3.200.0090.03412.68
5.3.190.0050.03812.68
5.3.180.0060.04012.67
5.3.170.0070.03812.67
5.3.160.0070.03412.67
5.3.150.0060.04112.67
5.3.140.0050.04012.66
5.3.130.0030.04012.66
5.3.120.0080.03612.66
5.3.110.0120.03812.66
5.3.100.0080.03612.12
5.3.90.0070.03412.10
5.3.80.0060.04212.09
5.3.70.0070.03412.09
5.3.60.0070.03412.07
5.3.50.0100.03412.03
5.3.40.0050.04512.03
5.3.30.0030.03611.98
5.3.20.0050.03811.77
5.3.10.0090.04011.73
5.3.00.0040.03811.72
5.2.170.0030.0309.22
5.2.160.0080.0279.22
5.2.150.0050.0299.22
5.2.140.0030.0329.21
5.2.130.0050.0279.18
5.2.120.0040.0359.18
5.2.110.0020.0329.18
5.2.100.0040.0289.18
5.2.90.0020.0389.18
5.2.80.0060.0299.17
5.2.70.0030.0319.17
5.2.60.0020.0329.13
5.2.50.0050.0309.09
5.2.40.0040.0319.07
5.2.30.0020.0319.05
5.2.20.0020.0309.04
5.2.10.0030.0328.94
5.2.00.0070.0278.81
5.1.60.0050.0298.09
5.1.50.0020.0338.08
5.1.40.0030.0278.07
5.1.30.0030.0288.42
5.1.20.0110.0208.44
5.1.10.0030.0288.16
5.1.00.0050.0288.16
5.0.50.0030.0206.64
5.0.40.0030.0236.49
5.0.30.0030.0406.32
5.0.20.0060.0186.28
5.0.10.0030.0266.25
5.0.00.0060.0286.25
4.4.90.0030.0144.77
4.4.80.0020.0154.75
4.4.70.0030.0144.75
4.4.60.0070.0184.75
4.4.50.0030.0204.77
4.4.40.0040.0234.71
4.4.30.0030.0154.76
4.4.20.0060.0174.84
4.4.10.0020.0164.85
4.4.00.0020.0264.76
4.3.110.0050.0134.67
4.3.100.0030.0164.67
4.3.90.0010.0164.63
4.3.80.0040.0294.58
4.3.70.0020.0154.63
4.3.60.0020.0144.63
4.3.50.0040.0194.63
4.3.40.0030.0244.54
4.3.30.0010.0173.30
4.3.20.0030.0173.28
4.3.10.0030.0143.23
4.3.00.0070.01315.97

preferences:
53.18 ms | 401 KiB | 5 Q