3v4l.org

run code in 300+ PHP versions simultaneously
<?php unset($this); class Foo{ private static $this; protected $a = true; public function __construct(){ self::$this = new Foo(); echo "From Foo()"; } public static function init(){ //var_dump(new Foo); var_dump(self::$this); echo "From Foo::init()"; } public function test(){ echo "called from static"; } } Foo::init();

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)
8.3.60.0040.01116.75
8.3.50.0150.00622.76
8.3.40.0040.01118.54
8.3.30.0080.00818.80
8.3.20.0040.00420.30
8.3.10.0050.00323.61
8.3.00.0000.00819.13
8.2.180.0120.00316.38
8.2.170.0070.00722.96
8.2.160.0100.00719.08
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.03
8.2.110.0040.00422.30
8.2.100.0040.00717.91
8.2.90.0060.00619.09
8.2.80.0040.00417.97
8.2.70.0060.00617.50
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0090.00019.89
8.2.30.0000.00719.70
8.2.20.0040.00417.56
8.2.10.0000.00817.92
8.2.00.0040.00417.61
8.1.280.0070.01025.92
8.1.270.0060.00322.05
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0090.00023.67
8.1.230.0110.00019.15
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0070.00317.23
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0000.00818.41
8.1.160.0000.00721.91
8.1.150.0040.00418.70
8.1.140.0040.00417.37
8.1.130.0000.00617.82
8.1.120.0070.00017.28
8.1.110.0040.00417.36
8.1.100.0040.00417.29
8.1.90.0040.00317.33
8.1.80.0040.00417.34
8.1.70.0040.00417.18
8.1.60.0000.00817.44
8.1.50.0030.00617.31
8.1.40.0000.00817.39
8.1.30.0000.00817.44
8.1.20.0090.00017.36
8.1.10.0040.00417.39
8.1.00.0000.00717.37
8.0.300.0050.00218.77
8.0.290.0030.00316.63
8.0.280.0000.00718.38
8.0.270.0000.00717.04
8.0.260.0030.00317.13
8.0.250.0070.00016.93
8.0.240.0040.00416.84
8.0.230.0000.00716.75
8.0.220.0060.00016.71
8.0.210.0000.00716.71
8.0.200.0000.00616.78
8.0.190.0000.01116.88
8.0.180.0000.00716.85
8.0.170.0030.00616.71
8.0.160.0070.00016.86
8.0.150.0030.00416.66
8.0.140.0050.00216.64
8.0.130.0070.00013.28
8.0.120.0000.00716.82
8.0.110.0000.00716.67
8.0.100.0040.00416.81
8.0.90.0030.00316.82
8.0.80.0150.00716.75
8.0.70.0000.00716.61
8.0.60.0050.00216.79
8.0.50.0000.00716.94
8.0.30.0130.00817.13
8.0.20.0070.01217.40
8.0.10.0050.00316.82
8.0.00.0120.00816.80
7.4.330.0050.00015.00
7.4.320.0000.00616.38
7.4.300.0030.00316.32
7.4.290.0000.00616.28
7.4.280.0040.00416.49
7.4.270.0040.00416.45
7.4.260.0040.00716.40
7.4.250.0000.00816.42
7.4.240.0000.00716.50
7.4.230.0000.00716.54
7.4.220.0120.00916.50
7.4.210.0070.01016.54
7.4.200.0070.00016.50
7.4.160.0120.00416.17
7.4.150.0090.00917.40
7.4.140.0090.00717.86
7.4.130.0100.01016.22
7.4.120.0140.00316.45
7.4.110.0090.00616.30
7.4.100.0100.01416.37
7.4.90.0120.00616.43
7.4.80.0060.01219.39
7.4.70.0130.00916.37
7.4.60.0140.00416.52
7.4.50.0080.00016.06
7.4.40.0110.00916.51
7.4.30.0080.00816.37
7.4.00.0070.01014.43
7.3.330.0070.00013.11
7.3.320.0030.00313.04
7.3.310.0070.00016.23
7.3.300.0070.00016.21
7.3.290.0030.01016.13
7.3.280.0090.01016.20
7.3.270.0040.01417.40
7.3.260.0080.00816.35
7.3.250.0080.00916.21
7.3.240.0060.01016.20
7.3.230.0060.01016.39
7.3.210.0090.00916.26
7.3.200.0030.01216.44
7.3.190.0030.01316.18
7.3.180.0030.01316.04
7.3.170.0060.00916.27
7.3.160.0060.00916.17
7.3.10.0130.00615.99
7.3.00.0100.01015.85
7.2.330.0150.00316.58
7.2.320.0130.01016.45
7.2.310.0030.02016.24
7.2.300.0130.00316.32
7.2.290.0000.01716.55
7.2.130.0130.00316.09
7.2.120.0140.00416.17
7.2.110.0170.00416.14
7.2.100.0130.00316.20
7.2.90.0070.01116.04
7.2.80.0040.01115.91
7.2.70.0130.00916.09
7.2.60.0080.00616.23
7.2.50.0120.01116.20
7.2.40.0210.00416.31
7.2.30.0150.00816.46
7.2.20.0160.01016.32
7.2.10.0200.00316.01
7.2.00.0140.00617.89
7.1.250.0160.00615.14
7.1.200.0070.00715.56
7.1.100.0060.00617.80
7.1.70.0030.00616.95
7.1.60.0130.00919.40
7.1.50.0130.00716.93
7.1.00.0000.08022.34
7.0.200.0080.00016.80
7.0.140.0100.06722.20
7.0.60.0170.07719.90
7.0.50.0030.06017.86
7.0.40.0030.04319.96
7.0.30.0200.06020.17
7.0.20.0430.06720.23
7.0.10.0030.05320.09
7.0.00.0100.08320.21
5.6.280.0000.07721.07
5.6.210.0030.08020.48
5.6.200.0070.04018.25
5.6.190.0100.07320.39
5.6.180.0230.06720.42
5.6.170.0470.05720.45
5.6.160.0170.08020.44
5.6.150.0070.08018.14
5.6.140.0130.04018.15
5.6.130.0100.08718.18
5.6.120.0170.07720.96
5.6.110.0100.07320.99
5.6.100.0070.09020.98
5.6.90.0130.04321.10
5.6.80.0100.04020.41
5.5.350.0370.06020.45
5.5.340.0100.04717.98
5.5.330.0030.04320.18
5.5.320.0300.07720.34
5.5.310.0300.06720.18
5.5.300.0070.04017.96
5.5.290.0130.07018.04
5.5.280.0370.04020.97
5.5.270.0030.05320.79
5.5.260.0030.08320.77
5.5.250.0030.07320.62
5.5.240.0200.07020.16
5.4.450.0400.03019.46
5.4.440.0330.04719.42
5.4.430.0670.03319.47
5.4.420.0430.04319.27
5.4.410.0330.03719.07
5.4.400.0600.04019.00
5.4.390.0330.03319.15
5.4.380.0470.04718.78
5.4.370.0430.04718.53
5.4.360.0400.05018.78
5.4.350.0300.06318.50
5.4.340.0200.06318.77
5.4.320.0060.03612.51
5.4.310.0020.04112.50
5.4.300.0080.03512.50
5.4.290.0070.03612.50
5.4.280.0060.03512.40
5.4.270.0070.03812.40
5.4.260.0080.03812.40
5.4.250.0080.03912.40
5.4.240.0070.03412.40
5.4.230.0090.03412.39
5.4.220.0060.03512.39
5.4.210.0060.03512.39
5.4.200.0080.03512.40
5.4.190.0050.03612.39
5.4.180.0060.04112.39
5.4.170.0040.03812.41
5.4.160.0050.03812.40
5.4.150.0040.03812.39
5.4.140.0080.03612.08
5.4.130.0040.03612.07
5.4.120.0040.03612.02
5.4.110.0050.04612.02
5.4.100.0070.03312.02
5.4.90.0070.03512.02
5.4.80.0040.04012.02
5.4.70.0030.03612.02
5.4.60.0060.04712.02
5.4.50.0040.03712.02
5.4.40.0070.03612.01
5.4.30.0060.03412.00
5.4.20.0040.03512.00
5.4.10.0040.03612.00
5.4.00.0080.03311.50
5.3.290.0030.04212.80
5.3.280.0060.03712.71
5.3.270.0060.03812.72
5.3.260.0050.03912.72
5.3.250.0110.03512.72
5.3.240.0080.03412.72
5.3.230.0040.03812.71
5.3.220.0030.03912.68
5.3.210.0080.03612.68
5.3.200.0050.03712.68
5.3.190.0080.03412.68
5.3.180.0070.03412.67
5.3.170.0070.03412.67
5.3.160.0110.03212.68
5.3.150.0070.03512.68
5.3.140.0050.03712.66
5.3.130.0040.04012.66
5.3.120.0080.03712.66
5.3.110.0050.03812.66
5.3.100.0040.03712.12
5.3.90.0040.03712.10
5.3.80.0100.03612.09
5.3.70.0070.03412.09
5.3.60.0060.03612.08
5.3.50.0080.03412.02
5.3.40.0040.03812.02
5.3.30.0040.03611.99
5.3.20.0040.03611.77
5.3.10.0030.03711.73
5.3.00.0060.03511.71
5.2.170.0060.0289.22
5.2.160.0030.0309.22
5.2.150.0040.0319.22
5.2.140.0040.0309.22
5.2.130.0060.0289.18
5.2.120.0060.0269.18
5.2.110.0080.0269.19
5.2.100.0060.0269.18
5.2.90.0020.0309.18
5.2.80.0050.0309.17
5.2.70.0040.0309.16
5.2.60.0030.0319.12
5.2.50.0040.0329.09
5.2.40.0040.0299.07
5.2.30.0050.0289.05
5.2.20.0060.0269.03
5.2.10.0060.0268.94
5.2.00.0040.0298.80
5.1.60.0030.0258.09
5.1.50.0030.0258.08
5.1.40.0020.0268.07
5.1.30.0050.0248.41
5.1.20.0040.0268.44
5.1.10.0050.0258.16
5.1.00.0060.0248.16
5.0.50.0030.0216.64
5.0.40.0040.0186.50
5.0.30.0040.0316.32
5.0.20.0020.0216.28
5.0.10.0060.0176.25
5.0.00.0080.0346.25
4.4.90.0050.0134.78
4.4.80.0000.0194.76
4.4.70.0010.0174.75
4.4.60.0050.0134.76
4.4.50.0040.0144.77
4.4.40.0010.0264.71
4.4.30.0010.0174.76
4.4.20.0050.0134.84
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0030.0244.59
4.3.70.0010.0154.63
4.3.60.0010.0174.63
4.3.50.0020.0204.63
4.3.40.0050.0224.54
4.3.30.0020.0283.30
4.3.20.0000.0183.28
4.3.10.0030.0153.23
4.3.00.0100.01715.63

preferences:
34.73 ms | 401 KiB | 5 Q