3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = function(){ var_dump($this); var_dump(self); }; $t();die; abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { var_dump(static::$instanses); if (!(static::$instanses instanceof static)) { static::$instanses = new static; } var_dump(static::$instanses); return static::$instanses; } } class A extends T { static public $instanses; } class B extends A { static public $instanses; } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new 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)
8.3.40.0040.01118.70
8.3.30.0150.00018.68
8.3.20.0090.00620.39
8.3.10.0040.00423.64
8.3.00.0080.00022.18
8.2.170.0070.00718.99
8.2.160.0140.00022.96
8.2.150.0080.00025.66
8.2.140.0060.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00417.63
8.2.110.0100.00019.27
8.2.100.0030.00917.63
8.2.90.0030.00619.22
8.2.80.0030.00717.97
8.2.70.0000.00817.47
8.2.60.0080.00017.93
8.2.50.0030.00718.07
8.2.40.0000.00821.07
8.2.30.0080.00018.08
8.2.20.0040.00417.68
8.2.10.0080.00018.06
8.2.00.0000.00818.02
8.1.270.0040.00420.47
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0130.00619.20
8.1.230.0080.00417.48
8.1.220.0000.00917.76
8.1.210.0050.00318.77
8.1.200.0070.00417.13
8.1.190.0080.00017.35
8.1.180.0050.00218.10
8.1.170.0000.00818.56
8.1.160.0040.00422.00
8.1.150.0050.00319.00
8.1.140.0040.00417.46
8.1.130.0030.00317.71
8.1.120.0040.00417.46
8.1.110.0040.00417.45
8.1.100.0050.00217.36
8.1.90.0040.00417.51
8.1.80.0050.00317.43
8.1.70.0040.00417.48
8.1.60.0000.00817.68
8.1.50.0000.00917.55
8.1.40.0000.00717.59
8.1.30.0000.00917.54
8.1.20.0050.00317.57
8.1.10.0030.00517.49
8.1.00.0000.00717.42
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0000.00717.18
8.0.260.0030.00317.13
8.0.250.0000.00816.89
8.0.240.0040.00417.00
8.0.230.0060.00316.84
8.0.220.0030.00316.82
8.0.210.0030.00416.86
8.0.200.0000.00617.02
8.0.190.0030.00617.00
8.0.180.0040.00416.98
8.0.170.0030.00516.95
8.0.160.0070.00016.94
8.0.150.0000.00716.81
8.0.140.0000.00716.87
8.0.130.0030.00313.44
8.0.120.0030.00616.93
8.0.110.0050.00316.94
8.0.100.0000.00816.93
8.0.90.0000.00716.94
8.0.80.0090.00616.93
8.0.70.0070.00016.88
8.0.60.0050.00317.02
8.0.50.0050.00316.80
8.0.30.0060.01117.21
8.0.20.0130.01417.40
8.0.10.0000.00717.10
8.0.00.0110.00816.89
7.4.330.0000.00515.14
7.4.320.0030.00316.63
7.4.300.0000.00616.53
7.4.290.0030.00316.52
7.4.280.0070.00016.52
7.4.270.0030.00316.62
7.4.260.0030.00316.61
7.4.250.0040.00416.50
7.4.240.0000.00716.46
7.4.230.0000.00716.72
7.4.220.0040.01816.60
7.4.210.0070.01116.59
7.4.200.0070.00016.42
7.4.160.0070.01316.49
7.4.150.0130.00717.40
7.4.140.0090.01317.86
7.4.130.0100.00716.66
7.4.120.0100.00816.62
7.4.110.0100.01016.54
7.4.100.0160.00316.63
7.4.90.0140.00316.64
7.4.80.0160.00619.39
7.4.70.0080.00816.62
7.4.60.0130.00316.52
7.4.50.0050.00316.71
7.4.40.0120.00816.66
7.4.30.0140.01016.30
7.4.10.0100.00315.14
7.4.00.0050.01215.20
7.3.330.0000.00513.39
7.3.320.0000.00613.32
7.3.310.0000.00716.23
7.3.300.0000.00616.21
7.3.290.0060.00916.30
7.3.280.0070.00816.31
7.3.270.0060.01317.40
7.3.260.0170.00616.51
7.3.250.0100.00716.47
7.3.240.0100.00716.59
7.3.230.0060.01316.39
7.3.210.0060.01216.50
7.3.200.0080.00819.39
7.3.190.0090.00616.41
7.3.180.0180.00616.40
7.3.170.0040.01716.46
7.3.160.0090.00916.49
7.3.130.0030.01214.93
7.3.120.0080.01014.80
7.3.110.0100.01014.75
7.3.100.0060.01014.85
7.3.90.0060.00814.82
7.3.80.0070.00714.80
7.3.70.0080.00814.79
7.3.60.0100.00614.72
7.3.50.0070.00714.63
7.3.40.0030.01014.68
7.3.30.0050.00914.67
7.3.20.0050.00916.02
7.3.10.0030.01115.84
7.3.00.0030.01015.88
7.2.330.0090.00916.61
7.2.320.0160.00316.51
7.2.310.0040.01416.74
7.2.300.0100.00716.36
7.2.290.0040.01316.40
7.2.260.0100.00714.83
7.2.250.0090.00914.81
7.2.240.0040.01014.82
7.2.230.0110.00514.98
7.2.220.0080.00714.95
7.2.210.0100.00415.03
7.2.200.0040.01115.02
7.2.190.0100.00314.89
7.2.180.0060.00814.95
7.2.170.0100.00414.98
7.2.160.0050.01214.89
7.2.150.0060.00916.10
7.2.140.0740.01216.20
7.2.130.0040.01016.08
7.2.120.0070.00716.10
7.2.110.0100.00716.16
7.2.100.0050.00916.04
7.2.90.0070.00816.23
7.2.80.0080.00516.18
7.2.70.0090.00616.30
7.2.60.0120.00516.22
7.2.50.0040.01116.21
7.2.40.0110.00616.20
7.2.30.0090.00416.15
7.2.20.0060.00816.17
7.2.10.0060.01016.23
7.2.00.0090.00816.96
7.1.330.0110.00615.17
7.1.320.0100.00715.00
7.1.310.0250.00714.99
7.1.300.0110.00614.98
7.1.290.0110.00415.11
7.1.280.0050.01115.11
7.1.270.0060.01014.96
7.1.260.0100.00615.03
7.1.250.0110.00415.07
7.1.240.0090.00614.73
7.1.230.0090.00614.46
7.1.220.0060.01114.80
7.1.210.0100.00614.68
7.1.200.0060.00915.16
7.1.190.0130.00414.76
7.1.180.0120.00314.81
7.1.170.0090.00614.88
7.1.160.0090.00914.91
7.1.150.0120.00514.63
7.1.140.0110.00614.79
7.1.130.0080.00814.80
7.1.120.0100.00914.66
7.1.110.0020.01414.79
7.1.100.0060.00815.84
7.1.90.0100.00914.72
7.1.80.0110.00514.88
7.1.70.0100.00515.58
7.1.60.0110.01016.63
7.1.50.0110.00715.42
7.1.40.0140.00314.65
7.1.30.0060.01014.86
7.1.20.0110.00614.77
7.1.10.0070.00614.85
7.1.00.0090.03017.24
7.0.330.0060.01314.54
7.0.320.0050.01114.44
7.0.310.0160.00314.32
7.0.300.0080.00614.26
7.0.290.0070.00714.31
7.0.280.0100.00514.30
7.0.270.0080.01214.25
7.0.260.0140.00814.37
7.0.250.0120.00614.50
7.0.240.0110.00414.38
7.0.230.0090.00814.30
7.0.220.0120.00714.51
7.0.210.0080.00914.46
7.0.200.0320.00814.71
7.0.190.0080.01014.46
7.0.180.0070.01114.30
7.0.170.0090.00914.46
7.0.160.0090.00814.36
7.0.150.0110.00414.45
7.0.140.0100.00814.51
7.0.130.0060.01314.52
7.0.120.0070.00914.60
7.0.110.0080.01014.43
7.0.100.0090.00714.36
7.0.90.0060.00914.44
7.0.80.0100.00614.42
7.0.70.0090.00814.47
7.0.60.0070.03016.35
7.0.50.0090.03015.64
7.0.40.0090.03215.67
7.0.30.0150.01715.70
7.0.20.0150.03215.66
7.0.10.0100.02415.72
7.0.00.0090.03315.74
5.6.400.0100.00814.13
5.6.390.0110.00814.25
5.6.380.0080.00914.32
5.6.370.0060.00714.24
5.6.360.0110.00614.26
5.6.350.0080.01114.19
5.6.340.0080.00614.12
5.6.330.0090.00914.11
5.6.320.0080.01014.41
5.6.310.0100.00814.35
5.6.300.0140.00314.20
5.6.290.0110.00714.46
5.6.280.0080.02816.53
5.6.270.0060.01114.40
5.6.260.0090.00814.22
5.6.250.0120.00814.17
5.6.240.0080.01114.42
5.6.230.0040.01114.28
5.6.220.0060.00814.29
5.6.210.0110.02616.38
5.6.200.0060.02715.70
5.6.190.0130.03016.58
5.6.180.0070.03216.54
5.6.170.0160.02416.45
5.6.160.0080.01916.30
5.6.150.0090.02115.50
5.6.140.0080.03315.63
5.6.130.0110.03215.62
5.6.120.0110.03016.46
5.6.110.0090.03016.61
5.6.100.0100.03216.57
5.6.90.0060.03316.53
5.6.80.0100.03216.21
5.6.70.1510.01616.39
5.6.60.0080.01114.19
5.6.50.0100.00714.31
5.6.40.0110.00914.10
5.6.30.0060.01114.20
5.6.20.0120.00614.28
5.6.10.0100.00514.23
5.6.00.0050.01214.26
5.5.380.0080.01214.44
5.5.370.0090.00714.21
5.5.360.0110.00714.30
5.5.350.0140.03116.25
5.5.340.0120.02815.50
5.5.330.0060.02016.11
5.5.320.0140.02816.13
5.5.310.0150.01816.17
5.5.300.0080.03115.47
5.5.290.0100.03315.57
5.5.280.0110.03016.56
5.5.270.0100.02216.52
5.5.260.0070.03316.51
5.5.250.0110.02316.26
5.5.240.0070.02716.22
5.5.230.0070.01014.23
5.5.220.0080.01013.95
5.5.210.0110.00314.09
5.5.200.0100.00614.32
5.5.190.0140.00614.01
5.5.180.0100.00814.31
5.5.170.0050.01314.06
5.5.160.0130.00714.13
5.5.150.0080.01113.91
5.5.140.0100.00614.13
5.5.130.0080.00914.22
5.5.120.0070.00914.36
5.5.110.0110.00514.19
5.5.100.0060.00813.91
5.5.90.0070.01014.29
5.5.80.0050.01314.16
5.5.70.0070.01214.29
5.5.60.0120.00614.30
5.5.50.0090.00914.10
5.5.40.0130.00414.18
5.5.30.0110.00714.21
5.5.20.0050.01314.30
5.5.10.0080.00714.10
5.5.00.0070.00814.09
5.4.450.0090.02614.42
5.4.440.0090.02714.44
5.4.430.0120.02314.39
5.4.420.0140.01714.45
5.4.410.0100.02314.35
5.4.400.0090.02114.23
5.4.390.0150.02014.12
5.4.380.0080.02414.22
5.4.370.0110.02014.23
5.4.360.0070.02514.36
5.4.350.0130.02214.29
5.4.340.0100.02414.27
5.4.330.0080.00211.84
5.4.320.0070.02714.27
5.4.310.0110.02314.08
5.4.300.0160.01814.40
5.4.290.0080.02214.17
5.4.280.0170.01814.17
5.4.270.0080.02314.33
5.4.260.0100.02014.20
5.4.250.0160.01514.26
5.4.240.0140.02014.15
5.4.230.0130.02014.32
5.4.220.0130.02014.31
5.4.210.0080.02614.21
5.4.200.0110.02113.59
5.4.190.0090.02514.44
5.4.180.0140.01814.20
5.4.170.0080.03114.18
5.4.160.0160.02014.18
5.4.150.0100.02014.27
5.4.140.0090.02213.28
5.4.130.0130.02313.46
5.4.120.0120.01713.38
5.4.110.0060.02413.26
5.4.100.0130.01713.47
5.4.90.0100.02013.38
5.4.80.0110.01813.32
5.4.70.0090.02413.49
5.4.60.0130.01913.45
5.4.50.0070.02413.36
5.4.40.0110.02313.43
5.4.30.0090.02213.38
5.4.20.0160.02113.46
5.4.10.0070.00511.78
5.4.00.0070.00611.85

preferences:
51.29 ms | 400 KiB | 5 Q