3v4l.org

run code in 300+ PHP versions simultaneously
<?php unset($this); class Foo{ protected $a = true; public function __construct(){ echo "From Foo()"; } public static function init(){ unset($this); var_dump(self); //echo $this->a; echo "From Foo::init()"; } } 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)
8.3.60.0150.00018.55
8.3.50.0100.00722.88
8.3.40.0110.00418.54
8.3.30.0060.00918.79
8.3.20.0000.00720.30
8.3.10.0040.00423.48
8.3.00.0050.00319.26
8.2.180.0070.00716.63
8.2.170.0070.00722.96
8.2.160.0030.01020.34
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0090.00626.16
8.2.120.0050.00221.12
8.2.110.0090.00020.43
8.2.100.0110.00018.09
8.2.90.0050.00319.09
8.2.80.0050.00317.97
8.2.70.0070.00317.38
8.2.60.0030.00617.68
8.2.50.0040.00418.07
8.2.40.0060.00319.76
8.2.30.0060.00317.99
8.2.20.0000.00717.50
8.2.10.0000.00717.85
8.2.00.0000.00717.42
8.1.280.0120.00625.92
8.1.270.0080.00023.91
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00723.66
8.1.230.0090.00318.95
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00316.98
8.1.190.0080.00017.11
8.1.180.0000.00818.10
8.1.170.0050.00318.46
8.1.160.0020.00521.85
8.1.150.0000.00718.71
8.1.140.0040.00417.21
8.1.130.0000.00717.66
8.1.120.0030.00317.21
8.1.110.0040.00417.29
8.1.100.0000.00817.22
8.1.90.0040.00417.29
8.1.80.0030.00317.26
8.1.70.0000.00717.30
8.1.60.0080.00017.44
8.1.50.0000.00817.28
8.1.40.0040.00417.41
8.1.30.0040.00417.47
8.1.20.0030.00617.39
8.1.10.0040.00417.35
8.1.00.0000.00817.41
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0030.00318.27
8.0.270.0070.00017.11
8.0.260.0060.00017.03
8.0.250.0030.00316.84
8.0.240.0040.00416.85
8.0.230.0040.00416.91
8.0.220.0050.00316.83
8.0.210.0000.00716.73
8.0.200.0030.00316.88
8.0.190.0030.00616.85
8.0.180.0000.00716.74
8.0.170.0040.00416.88
8.0.160.0000.00716.66
8.0.150.0000.00716.65
8.0.140.0040.00416.70
8.0.130.0000.00713.27
8.0.120.0080.00016.75
8.0.110.0070.00016.72
8.0.100.0040.00416.61
8.0.90.0040.00316.76
8.0.80.0090.00916.87
8.0.70.0000.00716.68
8.0.60.0000.00716.62
8.0.50.0000.00716.69
8.0.30.0150.00716.97
8.0.20.0110.01017.40
8.0.10.0020.00516.89
8.0.00.0080.01116.54
7.4.330.0000.00515.00
7.4.320.0060.00016.31
7.4.300.0060.00016.45
7.4.290.0000.00616.45
7.4.280.0000.00716.31
7.4.270.0070.00016.36
7.4.260.0040.00416.31
7.4.250.0050.00316.46
7.4.240.0030.00316.38
7.4.230.0070.00016.25
7.4.220.0040.01516.44
7.4.210.0100.00616.36
7.4.200.0000.00716.45
7.4.160.0090.00916.39
7.4.150.0110.01217.40
7.4.140.0080.01017.86
7.4.130.0050.01116.33
7.4.120.0050.01516.50
7.4.110.0070.01016.59
7.4.100.0080.00816.37
7.4.90.0120.00616.31
7.4.80.0100.00719.39
7.4.70.0110.01116.32
7.4.60.0040.01216.52
7.4.50.0030.00516.45
7.4.40.0070.01316.39
7.4.30.0060.00916.48
7.4.00.0060.01114.92
7.3.330.0040.00212.95
7.3.320.0020.00313.11
7.3.310.0030.00316.13
7.3.300.0060.00016.17
7.3.290.0030.01016.25
7.3.280.0040.01016.19
7.3.270.0140.00417.40
7.3.260.0080.01116.23
7.3.250.0080.01216.11
7.3.240.0090.00916.13
7.3.230.0060.00916.39
7.3.210.0130.00516.21
7.3.200.0110.00719.39
7.3.190.0090.00916.23
7.3.180.0100.01016.24
7.3.170.0090.00616.27
7.3.160.0060.00916.22
7.3.120.0070.01014.85
7.3.110.0060.01214.85
7.3.100.0110.00014.84
7.3.90.0060.00914.84
7.3.80.0090.00614.54
7.3.70.0040.00414.57
7.3.60.0030.00814.73
7.3.50.0070.00314.80
7.3.40.0030.01514.58
7.3.30.0100.00314.75
7.3.20.0040.00816.33
7.3.10.0120.00016.30
7.3.00.0060.00616.27
7.2.330.0070.01116.18
7.2.320.0130.01016.59
7.2.310.0120.01216.59
7.2.300.0070.01016.31
7.2.290.0080.00816.23
7.2.250.0100.00314.84
7.2.240.0090.00914.81
7.2.230.0000.01414.68
7.2.220.0100.00314.81
7.2.210.0040.01114.92
7.2.200.0070.00714.54
7.2.190.0030.01014.70
7.2.180.0000.01014.85
7.2.170.0040.00814.52
7.2.60.0080.00816.64
7.2.00.0030.01019.12
7.1.330.0030.01115.36
7.1.320.0060.00315.43
7.1.310.0060.00615.57
7.1.300.0000.00915.33
7.1.290.0030.00915.65
7.1.280.0100.00315.75
7.1.270.0000.01415.57
7.1.260.0030.01015.61
7.1.200.0080.00615.25
7.1.100.0040.01118.03
7.1.70.0000.00716.95
7.1.60.0070.01419.40
7.1.50.0100.01416.80
7.1.00.0000.08022.42
7.0.200.0080.00016.83
7.0.140.0030.07322.00
7.0.60.0030.05319.93
7.0.50.0070.08017.84
7.0.40.0000.05020.28
7.0.30.0500.07720.16
7.0.20.0230.04320.26
7.0.10.0170.05320.25
7.0.00.0100.04720.30
5.6.280.0030.07320.82
5.6.210.0130.07720.63
5.6.200.0070.05018.16
5.6.190.0030.04720.55
5.6.180.0370.06720.50
5.6.170.0200.04320.55
5.6.160.0100.07720.55
5.6.150.0030.04318.23
5.6.140.0070.07018.21
5.6.130.0000.08018.14
5.6.120.0070.05321.13
5.6.110.0100.06720.89
5.6.100.0100.08320.99
5.6.90.0070.08021.11
5.6.80.0170.06320.44
5.6.70.4270.03720.42
5.5.350.0130.06720.41
5.5.340.0000.05718.09
5.5.330.0070.08720.31
5.5.320.0330.04320.20
5.5.310.0300.08320.19
5.5.300.0000.04318.03
5.5.290.0030.04317.93
5.5.280.0100.05720.80
5.5.270.0070.08720.84
5.5.260.0000.09720.89
5.5.250.0130.07320.69
5.5.240.4370.03320.26
5.4.450.0670.03319.46
5.4.440.0830.04319.32
5.4.430.1130.04019.54
5.4.420.0500.04719.39
5.4.410.0370.03719.36
5.4.400.0230.04319.32
5.4.390.0230.03718.95
5.4.380.0870.05718.79
5.4.370.1000.07018.61
5.4.360.1030.07018.46
5.4.350.1130.05018.76
5.4.340.1000.05018.84
5.4.320.0040.03812.50
5.4.310.0060.03812.50
5.4.300.0080.03512.50
5.4.290.0050.03812.50
5.4.280.0050.03512.40
5.4.270.0070.03412.39
5.4.260.0050.03712.39
5.4.250.0020.04212.39
5.4.240.0030.03812.39
5.4.230.0060.03712.39
5.4.220.0080.03312.38
5.4.210.0070.03312.39
5.4.200.0030.04012.39
5.4.190.0040.04212.38
5.4.180.0070.03312.38
5.4.170.0080.04112.39
5.4.160.0050.03612.39
5.4.150.0040.04112.39
5.4.140.0040.03812.07
5.4.130.0070.03412.06
5.4.120.0060.03412.02
5.4.110.0060.03812.02
5.4.100.0080.03212.02
5.4.90.0060.03612.02
5.4.80.0020.03912.01
5.4.70.0050.04312.00
5.4.60.0020.03612.01
5.4.50.0040.04012.01
5.4.40.0080.03512.00
5.4.30.0050.03512.00
5.4.20.0060.03411.99
5.4.10.0030.03812.00
5.4.00.0080.03411.48
5.3.290.0060.03812.80
5.3.280.0060.03612.70
5.3.270.0070.03712.72
5.3.260.0100.03812.72
5.3.250.0070.04212.71
5.3.240.0040.04712.72
5.3.230.0100.04212.71
5.3.220.0070.03512.68
5.3.210.0050.03812.68
5.3.200.0060.04112.68
5.3.190.0040.03812.68
5.3.180.0050.03612.67
5.3.170.0040.04212.67
5.3.160.0070.03412.67
5.3.150.0100.03612.67
5.3.140.0070.03412.66
5.3.130.0060.04412.66
5.3.120.0060.04212.66
5.3.110.0050.04512.66
5.3.100.0050.03712.12
5.3.90.0050.03612.10
5.3.80.0040.03812.09
5.3.70.0080.03912.09
5.3.60.0050.03712.07
5.3.50.0030.03912.02
5.3.40.0040.03712.02
5.3.30.0070.03311.99
5.3.20.0060.04111.76
5.3.10.0030.04211.73
5.3.00.0040.03711.72
5.2.170.0050.0299.22
5.2.160.0050.0299.22
5.2.150.0030.0319.22
5.2.140.0080.0349.22
5.2.130.0050.0289.18
5.2.120.0030.0299.18
5.2.110.0050.0289.18
5.2.100.0030.0299.18
5.2.90.0080.0289.18
5.2.80.0040.0379.17
5.2.70.0000.0349.18
5.2.60.0030.0319.13
5.2.50.0050.0299.09
5.2.40.0050.0339.07
5.2.30.0060.0289.05
5.2.20.0040.0289.03
5.2.10.0020.0298.94
5.2.00.0020.0318.80
5.1.60.0040.0238.09
5.1.50.0060.0248.08
5.1.40.0100.0218.07
5.1.30.0060.0278.41
5.1.20.0030.0308.44
5.1.10.0060.0278.16
5.1.00.0030.0308.16
5.0.50.0030.0206.64
5.0.40.0030.0186.50
5.0.30.0030.0356.32
5.0.20.0040.0256.27
5.0.10.0040.0196.26
5.0.00.0020.0316.25
4.4.90.0030.0154.78
4.4.80.0010.0164.76
4.4.70.0030.0154.75
4.4.60.0040.0154.75
4.4.50.0030.0184.77
4.4.40.0030.0284.71
4.4.30.0020.0164.76
4.4.20.0030.0194.84
4.4.10.0060.0134.85
4.4.00.0010.0264.76
4.3.110.0020.0164.67
4.3.100.0030.0154.66
4.3.90.0020.0244.64
4.3.80.0020.0314.58
4.3.70.0070.0164.63
4.3.60.0050.0124.63
4.3.50.0010.0204.63
4.3.40.0030.0254.54
4.3.30.0040.0143.30
4.3.20.0020.0163.28
4.3.10.0000.0183.24
4.3.00.0130.00715.63

preferences:
24.52 ms | 401 KiB | 5 Q