3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $priv; private static function set(self $instance, $name, $value) { $instance->$name = $value; } public function __construct(self $instance = null) { $name = 'priv'; $value = 'dafuq'; if ($instance) { self::set($instance, $name, $value); $instance->$name = $value; } } } $a = new Foo; $b = new Foo($a); var_dump($a, $b);

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)
8.3.60.0170.00318.43
8.3.50.0140.00521.98
8.3.40.0110.00418.79
8.3.30.0070.00719.06
8.3.20.0040.00420.34
8.3.10.0040.00421.87
8.3.00.0050.00319.05
8.2.180.0180.00616.32
8.2.170.0130.00622.96
8.2.160.0100.00322.13
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00719.39
8.2.110.0060.00320.93
8.2.100.0040.00717.91
8.2.90.0040.00417.84
8.2.80.0040.00417.97
8.2.70.0000.01117.63
8.2.60.0050.00317.80
8.2.50.0090.00018.07
8.2.40.0080.00017.91
8.2.30.0000.00718.06
8.2.20.0040.00417.55
8.2.10.0020.00518.00
8.2.00.0000.00917.73
8.1.280.0070.01125.92
8.1.270.0040.00418.88
8.1.260.0130.00626.35
8.1.250.0070.00028.09
8.1.240.0090.00022.59
8.1.230.0110.00020.96
8.1.220.0050.00317.80
8.1.210.0090.00018.98
8.1.200.0060.00317.35
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00722.00
8.1.150.0000.00718.80
8.1.140.0030.00617.39
8.1.130.0030.00517.82
8.1.120.0040.00417.35
8.1.110.0000.00717.34
8.1.100.0060.00317.34
8.1.90.0000.00717.36
8.1.80.0040.00417.41
8.1.70.0020.00517.46
8.1.60.0050.00317.56
8.1.50.0080.00017.58
8.1.40.0000.00817.52
8.1.30.0060.00317.55
8.1.20.0040.00417.54
8.1.10.0000.00717.34
8.1.00.0040.00417.32
8.0.300.0040.00419.98
8.0.290.0000.00716.63
8.0.280.0050.00318.43
8.0.270.0030.00317.17
8.0.260.0030.00317.25
8.0.250.0000.00716.99
8.0.240.0030.00317.00
8.0.230.0070.00016.90
8.0.220.0020.00516.85
8.0.210.0000.00716.95
8.0.200.0050.00217.01
8.0.190.0030.00617.05
8.0.180.0060.00316.96
8.0.170.0000.00816.93
8.0.160.0040.00416.97
8.0.150.0040.00416.86
8.0.140.0040.00416.94
8.0.130.0030.00413.37
8.0.120.0000.00816.93
8.0.110.0000.00716.91
8.0.100.0080.00016.83
8.0.90.0000.00716.80
8.0.80.0080.00817.00
8.0.70.0000.00716.84
8.0.60.0000.00716.91
8.0.50.0030.00516.77
8.0.30.0140.00617.21
8.0.20.0060.01417.40
8.0.10.0040.00417.05
8.0.00.0110.00716.54
7.4.330.0000.00715.03
7.4.320.0000.00616.38
7.4.300.0000.00716.51
7.4.290.0000.00716.48
7.4.280.0090.00316.57
7.4.270.0080.00016.52
7.4.260.0030.00316.47
7.4.250.0040.00416.35
7.4.240.0030.00516.53
7.4.230.0070.00016.70
7.4.220.0070.01016.46
7.4.210.0100.00416.68
7.4.200.0030.00516.49
7.4.160.0110.00416.47
7.4.150.0060.01317.40
7.4.140.0090.00717.86
7.4.130.0080.01216.49
7.4.120.0080.00916.41
7.4.110.0150.00816.33
7.4.100.0090.00916.57
7.4.90.0110.01116.35
7.4.80.0120.00619.39
7.4.70.0140.00316.48
7.4.60.0090.00616.42
7.4.50.0040.00416.59
7.4.40.0090.01216.29
7.4.30.0060.01216.57
7.4.00.0060.00914.98
7.3.330.0030.00313.02
7.3.320.0000.00613.31
7.3.310.0030.00316.21
7.3.300.0030.00316.11
7.3.290.0050.01016.21
7.3.280.0080.01016.22
7.3.270.0110.00617.40
7.3.260.0090.00916.61
7.3.250.0070.01016.29
7.3.240.0070.01016.39
7.3.230.0060.01516.39
7.3.210.0100.00716.19
7.3.200.0000.02119.39
7.3.190.0090.00916.40
7.3.180.0100.00716.22
7.3.170.0080.01116.27
7.3.160.0150.00016.35
7.2.330.0080.01016.59
7.2.320.0140.00316.72
7.2.310.0130.00716.41
7.2.300.0060.00916.32
7.2.290.0070.01116.45
7.2.00.0060.00619.14
7.1.100.0060.00617.88
7.1.70.0000.01017.18
7.1.60.0090.01219.46
7.1.50.0110.01416.98
7.1.00.0070.07322.28
7.0.200.0050.00216.56
7.0.140.0000.05721.93
7.0.60.0070.04320.01
7.0.50.0070.07717.86
7.0.40.0030.05720.26
7.0.30.0230.04320.08
7.0.20.0230.09020.30
7.0.10.0070.07720.07
7.0.00.0100.04320.16
5.6.280.0000.07720.82
5.6.210.0100.07720.57
5.6.200.0070.05018.29
5.6.190.0030.06320.41
5.6.180.0500.07320.45
5.6.170.0400.07020.47
5.6.160.0100.04320.44
5.6.150.0070.07318.15
5.6.140.0000.04018.14
5.6.130.0070.07718.12
5.6.120.0100.05021.02
5.6.110.0130.08720.89
5.6.100.0200.06021.03
5.6.90.0100.08021.01
5.6.80.0030.03720.51
5.5.350.3230.03020.42
5.5.340.0100.06717.96
5.5.330.0070.08020.29
5.5.320.2600.04720.24
5.5.310.0400.05320.51
5.5.300.0130.05018.08
5.5.290.0130.06317.98
5.5.280.0070.04020.87
5.5.270.0030.04720.96
5.5.260.0100.08020.85
5.5.250.0070.08320.78
5.5.240.0030.07720.29
5.4.450.0400.06019.31
5.4.440.0200.05319.55
5.4.430.0100.06719.45
5.4.420.0100.05719.52
5.4.410.0170.04719.45
5.4.400.0230.04019.22
5.4.390.0130.05718.82
5.4.380.0170.05318.80
5.4.370.0070.06318.61
5.4.360.0200.05018.76
5.4.350.0170.05318.53
5.4.340.0300.04718.78
5.4.320.0200.07318.57
5.4.310.0330.06018.84
5.4.300.0170.05318.76
5.4.290.0230.05318.62
5.4.280.0300.05718.78
5.4.270.0200.05318.65
5.4.260.0270.04318.50
5.4.250.0200.05018.61
5.4.240.0100.06018.52
5.4.230.0230.04318.46
5.4.220.0170.05318.82
5.4.210.0170.05318.72
5.4.200.0270.04316.58
5.4.190.0200.04718.75
5.4.180.0270.04318.45
5.4.170.0130.05718.74
5.4.160.0270.04718.76
5.4.150.0300.04718.50
5.4.140.0230.04716.19
5.4.130.0230.04316.26
5.4.120.0170.05016.33
5.4.110.0230.04316.27
5.4.100.0130.05316.28
5.4.90.0170.05016.43
5.4.80.0170.05316.27
5.4.70.0200.05316.26
5.4.60.0200.04716.16
5.4.50.0070.05716.27
5.4.40.0200.05016.24
5.4.30.0100.05316.14
5.4.20.0300.04316.14
5.4.10.0170.05016.29
5.4.00.0200.05015.79
5.3.290.0130.05714.67
5.3.280.0270.04314.66
5.3.270.0170.05314.83
5.3.260.0230.05014.63
5.3.250.0270.04714.79
5.3.240.0230.04314.75
5.3.230.0200.05014.66
5.3.220.0130.05714.68
5.3.210.0230.04714.61
5.3.200.0300.04714.68
5.3.190.0330.06014.77
5.3.180.0130.05714.72
5.3.170.0200.05014.77
5.3.160.0270.04314.60
5.3.150.0170.05714.75
5.3.140.0300.04014.54
5.3.130.0270.04714.54
5.3.120.0170.05314.78
5.3.110.0230.05314.77
5.3.100.0100.06314.06
5.3.90.0170.05314.19
5.3.80.0230.04714.19
5.3.70.0170.05314.23
5.3.60.0200.05314.02
5.3.50.0170.05314.12
5.3.40.0230.04314.06
5.3.30.0200.04713.97
5.3.20.0200.04713.89
5.3.10.0070.06013.70
5.3.00.0300.05013.75
5.2.170.0200.04711.14
5.2.160.0200.04011.26
5.2.150.0170.04011.15
5.2.140.0100.04711.20
5.2.130.0130.04011.22
5.2.120.0130.04011.13
5.2.110.0170.03711.21
5.2.100.0130.03711.22
5.2.90.0070.05011.21
5.2.80.0170.04011.16
5.2.70.0300.02711.16
5.2.60.0130.04311.13
5.2.50.0130.04711.02
5.2.40.0130.05011.04
5.2.30.0230.03311.21
5.2.20.0200.03310.95
5.2.10.0130.03710.86
5.2.00.0070.04710.77
5.1.60.0170.03010.07
5.1.50.0100.03710.21
5.1.40.0170.03010.00
5.1.30.0100.04710.41
5.1.20.0130.03310.36
5.1.10.0030.04310.28
5.1.00.0030.04310.22
5.0.50.0100.0278.74
5.0.40.0070.0278.40
5.0.30.0070.0438.37
5.0.20.0100.0238.34
5.0.10.0130.0208.38
5.0.00.0030.0478.20
4.4.90.0170.0105.94
4.4.80.0000.0275.89
4.4.70.0030.0235.88
4.4.60.0000.0275.88
4.4.50.0070.0206.00
4.4.40.0000.0405.96
4.4.30.0070.0205.88
4.4.20.0000.0306.04
4.4.10.0000.0276.07
4.4.00.0070.0405.99
4.3.110.0030.0275.83
4.3.100.0030.0235.91
4.3.90.0030.0305.89
4.3.80.0100.0405.77
4.3.70.0100.0275.77
4.3.60.0130.0135.78
4.3.50.0070.0235.79
4.3.40.0070.0335.73
4.3.30.0070.0234.89
4.3.20.0000.0304.89
4.3.10.0030.0274.89
4.3.00.0070.0238.74

preferences:
40.9 ms | 401 KiB | 5 Q