3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Bar { private static $instance; protected $guessers = array(); public static function getInstance() { if (null === static::$instance) { static::$instance = new static(); } return static::$instance; } protected function __construct() { $this->guessers[] = new MimeTypeExtensionGuesser(); } } class Foo extends Bar { protected function __construct() { } } Foo::getInstance();

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)
8.3.40.0090.00618.76
8.3.30.0040.01118.81
8.3.20.0040.00418.77
8.3.10.0040.00420.28
8.3.00.0030.00519.25
8.2.170.0110.00422.96
8.2.160.0100.00321.25
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0100.00019.36
8.2.110.0000.01121.18
8.2.100.0080.00417.84
8.2.90.0000.00920.78
8.2.80.0020.00517.93
8.2.70.0090.00017.50
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0050.00318.16
8.2.30.0030.00517.88
8.2.20.0050.00317.57
8.2.10.0040.00417.62
8.2.00.0040.00417.68
8.1.270.0000.00824.66
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0070.00320.77
8.1.230.0070.00420.83
8.1.220.0000.00817.74
8.1.210.0040.00418.87
8.1.200.0060.00317.10
8.1.190.0070.00017.53
8.1.180.0000.00818.10
8.1.170.0030.00618.74
8.1.160.0040.00418.86
8.1.150.0040.00418.62
8.1.140.0000.00717.27
8.1.130.0030.00317.70
8.1.120.0000.00717.29
8.1.110.0000.00717.39
8.1.100.0030.00317.30
8.1.90.0040.00417.39
8.1.80.0030.00317.39
8.1.70.0040.00417.30
8.1.60.0030.00617.60
8.1.50.0040.00417.34
8.1.40.0000.00817.41
8.1.30.0040.00417.69
8.1.20.0000.00817.59
8.1.10.0040.00417.56
8.1.00.0060.00317.39
8.0.300.0090.00019.94
8.0.290.0000.00716.63
8.0.280.0000.00718.43
8.0.270.0030.00317.18
8.0.260.0000.00716.67
8.0.250.0070.00016.92
8.0.240.0000.00716.93
8.0.230.0000.00716.95
8.0.220.0040.00416.88
8.0.210.0030.00516.70
8.0.200.0030.00316.80
8.0.190.0040.00416.80
8.0.180.0000.00716.77
8.0.170.0030.00516.90
8.0.160.0030.00616.88
8.0.150.0040.00416.86
8.0.140.0120.00016.76
8.0.130.0000.00513.28
8.0.120.0040.00416.62
8.0.110.0040.00416.75
8.0.100.0040.00416.87
8.0.90.0000.00816.87
8.0.80.0130.00916.82
8.0.70.0000.00716.71
8.0.60.0070.00016.83
8.0.50.0020.00516.70
8.0.30.0060.01317.26
8.0.20.0120.00617.24
8.0.10.0000.00817.00
8.0.00.0050.01416.86
7.4.330.0000.00512.94
7.4.320.0030.00616.41
7.4.300.0060.00016.39
7.4.290.0000.00716.47
7.4.280.0040.00416.48
7.4.270.0030.00316.45
7.4.260.0000.00613.31
7.4.250.0090.00016.40
7.4.240.0000.00716.60
7.4.230.0050.00216.52
7.4.220.0150.00916.51
7.4.210.0060.00816.57
7.4.200.0030.00316.66
7.4.190.0030.00316.56
7.4.160.0080.00816.51
7.4.150.0090.00916.45
7.4.140.0160.00116.52
7.4.130.0110.00616.56
7.4.120.0100.01116.57
7.4.110.0080.01016.43
7.4.100.0060.01216.61
7.4.90.0120.00616.22
7.4.80.0030.01519.39
7.4.70.0090.01216.55
7.4.60.0070.01216.48
7.4.50.0000.00716.54
7.4.40.0060.00616.41
7.4.30.0060.01016.50
7.4.00.0030.01015.02
7.3.330.0030.00313.36
7.3.320.0000.00613.18
7.3.310.0050.00316.28
7.3.300.0030.00316.31
7.3.290.0040.01116.38
7.3.280.0070.00916.32
7.3.270.0090.00916.30
7.3.260.0150.00516.43
7.3.250.0090.01516.45
7.3.240.0030.01516.51
7.3.230.0100.00716.49
7.3.210.0080.00816.30
7.3.200.0030.01316.36
7.3.190.0110.01016.49
7.3.180.0060.01316.37
7.3.170.0100.00716.55
7.3.160.0090.00616.59
7.3.120.0100.00714.54
7.3.10.0050.00716.50
7.3.00.0080.00516.63
7.2.330.0060.01216.80
7.2.320.0160.00616.31
7.2.310.0160.00316.55
7.2.300.0100.00616.75
7.2.290.0170.00016.46
7.2.130.0030.01116.86
7.2.120.0090.00816.73
7.2.110.0070.00816.71
7.2.100.0030.01116.79
7.2.90.0070.00716.86
7.2.80.0000.01316.89
7.2.70.0060.00816.80
7.2.60.0070.00916.70
7.2.50.0050.01016.74
7.2.40.0110.00416.88
7.2.30.0170.00516.72
7.2.20.0090.00716.65
7.2.10.0130.00616.72
7.2.00.0100.00717.75
7.1.250.0080.00615.59
7.1.200.0080.00315.45
7.1.100.0000.01018.02
7.1.70.0070.00717.19
7.1.60.0190.00619.40
7.1.50.0070.01516.82
7.1.00.0070.05322.24
7.0.200.0370.00614.61
7.0.140.0030.07022.00
7.0.120.0030.06722.03
7.0.60.0030.08019.87
7.0.50.0070.04317.88
7.0.40.0000.04317.79
7.0.30.0100.08017.82
7.0.20.0100.06017.75
7.0.10.0070.05717.78
7.0.00.0070.05717.85
5.6.280.0000.07321.04
5.6.210.0100.06720.48
5.6.200.0070.04018.19
5.6.190.0070.07318.23
5.6.180.0030.08318.24
5.6.170.0170.07018.25
5.6.160.0030.05018.15
5.6.150.0100.06718.21
5.6.140.0100.04718.18
5.6.130.0130.03318.24
5.6.120.0070.06018.16
5.6.110.0100.06318.22
5.6.100.0130.07018.14
5.6.90.0100.07318.18
5.6.80.0130.03017.62
5.6.70.0100.07317.53
5.6.60.0070.05717.52
5.6.50.0000.06017.63
5.6.40.0070.07717.59
5.6.30.0070.07717.61
5.6.20.0070.07717.54
5.6.10.0070.08017.54
5.6.00.0070.08017.63
5.5.350.0270.07320.39
5.5.340.0070.08017.98
5.5.330.0030.05318.09
5.5.320.0030.04317.95
5.5.310.0030.05717.96
5.5.300.0000.05018.08
5.5.290.0070.05017.98
5.5.280.0170.07317.95
5.5.270.0070.08017.98
5.5.260.0000.08718.07
5.5.250.0070.06717.90
5.5.240.0070.07017.35
5.5.230.0100.04717.32
5.5.220.0070.05017.42
5.5.210.0070.04317.43
5.5.200.0070.07317.39
5.5.190.0030.08017.43
5.5.180.0100.06017.28
5.5.160.0070.07717.39
5.5.150.0130.07017.38
5.5.140.0070.04717.42
5.5.130.0100.03317.33
5.5.120.0130.07317.41
5.5.110.0130.07717.41
5.5.100.0070.07717.31
5.5.90.0030.05317.22
5.5.80.0070.07317.29
5.5.70.0170.07017.28
5.5.60.0100.07717.31
5.5.50.0100.06017.32
5.5.40.0030.06717.32
5.5.30.0030.05017.25
5.5.20.0070.07717.22
5.5.10.0100.06717.23
5.5.00.0230.06017.22
5.4.450.0030.04019.46
5.4.440.0170.05719.38
5.4.430.0030.08019.35
5.4.420.0000.06019.48
5.4.410.0130.07319.47
5.4.400.0030.04719.02
5.4.390.0170.06719.03
5.4.380.0070.06019.02
5.4.370.0070.07719.13
5.4.360.0100.07019.04
5.4.350.0170.06719.27
5.4.340.0070.08019.06
5.4.320.0070.07319.10
5.4.310.0070.04319.14
5.4.300.0000.04319.27
5.4.290.0070.06319.07
5.4.280.0100.07718.98
5.4.270.0070.08019.02
5.4.260.0100.06019.13
5.4.250.0200.05718.97
5.4.240.0170.05319.00
5.4.230.0070.05319.02
5.4.220.0100.05319.09
5.4.210.0030.06719.03
5.4.200.0030.08019.09
5.4.190.0030.05019.12
5.4.180.0100.07319.09
5.4.170.0030.08018.94
5.4.160.0130.07019.08
5.4.150.0100.07719.07
5.4.140.0100.07316.46
5.4.130.0070.07316.40
5.4.120.0070.03716.36
5.4.110.0130.07016.43
5.4.100.0030.06316.46
5.4.90.0000.08316.43
5.4.80.0000.07016.49
5.4.70.0070.07316.62
5.4.60.0070.06316.21
5.4.50.0170.06316.46
5.4.40.0030.05716.61
5.4.30.0100.06716.38
5.4.20.0070.03316.53
5.4.10.0170.04716.55
5.4.00.0070.04315.79
5.3.290.0070.05014.52
5.3.280.0130.07014.70
5.3.270.0100.04314.62
5.3.260.0100.07314.46
5.3.250.0070.05714.60
5.3.240.0070.04314.57
5.3.230.0030.05014.66
5.3.220.0030.03714.56
5.3.210.0100.03714.63
5.3.200.0200.06714.61
5.3.190.0100.07314.56
5.3.180.0100.06014.78
5.3.170.0130.07014.41
5.3.160.0070.04314.61
5.3.150.0030.05314.52
5.3.140.0170.06314.64
5.3.130.0070.03714.40
5.3.120.0070.03714.51
5.3.110.0100.07714.59
5.3.100.0100.04714.25
5.3.90.0070.07713.97
5.3.80.0170.04713.91
5.3.70.0170.04314.01
5.3.60.0100.07014.00
5.3.50.0070.07313.99
5.3.40.0070.04013.95
5.3.30.0070.05013.95
5.3.20.0030.04713.68
5.3.10.0070.05013.70
5.3.00.0030.07013.53
5.2.170.0070.04711.16
5.2.160.0130.05311.19
5.2.150.0070.06011.11
5.2.140.0070.06011.18
5.2.130.0070.05711.17
5.2.120.0000.05311.12
5.2.110.0070.05711.15
5.2.100.0030.04311.14
5.2.90.0130.02311.09
5.2.80.0030.02711.14
5.2.70.0000.03311.30
5.2.60.0070.02310.89
5.2.50.0000.03310.98
5.2.40.0030.02710.98
5.2.30.0000.03010.98
5.2.20.0030.02710.99
5.2.10.0030.02710.91
5.2.00.0030.02710.79
5.1.60.0030.0239.98
5.1.50.0000.02310.07
5.1.40.0000.0279.97
5.1.30.0030.02710.41
5.1.20.0070.02010.20
5.1.10.0070.02010.13
5.1.00.0030.0239.99
5.0.50.0030.0278.64
5.0.40.0030.0178.39
5.0.30.0000.0308.29
5.0.20.0000.0208.19
5.0.10.0000.0208.02
5.0.00.0000.0308.07
4.4.90.0000.0177.87
4.4.80.0000.0177.87
4.4.70.0000.0207.87
4.4.60.0000.0177.87
4.4.50.0000.0177.87
4.4.40.0030.0207.87
4.4.30.0030.0137.87
4.4.20.0000.0177.87
4.4.10.0030.0137.87
4.4.00.0000.0277.87
4.3.110.0030.0137.87
4.3.100.0030.0107.87
4.3.90.0030.0107.87
4.3.80.0000.0237.87
4.3.70.0030.0137.87
4.3.60.0000.0137.87
4.3.50.0000.0137.87
4.3.40.0000.0237.87
4.3.30.0000.0177.87
4.3.20.0000.0177.87
4.3.10.0000.0177.87
4.3.00.0000.0137.87

preferences:
40.75 ms | 400 KiB | 5 Q