3v4l.org

run code in 300+ PHP versions simultaneously
<?php class c { protected $type = null; public function __construct($in) { $this->type = $in; } public function __toString() { return $this->type; } static function getInstanceA() { static $a = null; if ($a === null) { $a = new c('A'); } return $a; } static function getInstanceB() { static $a = null; if ($a === null) { $a = new c('B'); } return $a; } static function someA() { static $a = null; $a = 'this is fucked'; return $a; } } $z = c::someA(); $my_a = c::getInstanceA(); $my_b = c::getInstanceB(); echo $my_a; echo $my_b; echo $z;

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)
8.3.60.0000.01416.75
8.3.50.0160.00522.90
8.3.40.0150.00018.98
8.3.30.0070.00719.02
8.3.20.0030.00620.36
8.3.10.0040.00420.54
8.3.00.0030.00519.25
8.2.180.0160.00616.50
8.2.170.0210.00022.96
8.2.160.0000.01518.82
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.16
8.2.110.0030.00619.37
8.2.100.0040.00717.78
8.2.90.0050.00318.95
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0030.00618.03
8.2.50.0030.00618.07
8.2.40.0000.00818.16
8.2.30.0000.00719.38
8.2.20.0000.00717.63
8.2.10.0070.00018.02
8.2.00.0040.00417.65
8.1.280.0180.00425.92
8.1.270.0080.00023.96
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0110.00022.14
8.1.230.0080.00420.91
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0030.00617.35
8.1.180.0000.00918.10
8.1.170.0080.00018.60
8.1.160.0050.00322.02
8.1.150.0050.00318.85
8.1.140.0000.00717.32
8.1.130.0030.00317.79
8.1.120.0070.00017.49
8.1.110.0050.00317.36
8.1.100.0030.00317.38
8.1.90.0070.00317.39
8.1.80.0040.00417.49
8.1.70.0030.00317.44
8.1.60.0040.00417.51
8.1.50.0000.00717.51
8.1.40.0070.00017.43
8.1.30.0040.00417.50
8.1.20.0040.00417.74
8.1.10.0040.00417.60
8.1.00.0040.00417.42
8.0.300.0080.00018.77
8.0.290.0030.00516.75
8.0.280.0050.00318.41
8.0.270.0050.00217.21
8.0.260.0060.00017.21
8.0.250.0030.00317.00
8.0.240.0000.00716.96
8.0.230.0070.00016.96
8.0.220.0000.00716.91
8.0.210.0040.00416.82
8.0.200.0000.00616.91
8.0.190.0040.00416.87
8.0.180.0000.00716.93
8.0.170.0040.00416.86
8.0.160.0030.00416.91
8.0.150.0000.00716.82
8.0.140.0050.00216.78
8.0.130.0040.00413.30
8.0.120.0030.00616.75
8.0.110.0000.00816.93
8.0.100.0030.00516.96
8.0.90.0000.00716.75
8.0.80.0030.01816.86
8.0.70.0040.00416.80
8.0.60.0000.00716.75
8.0.50.0040.00416.98
8.0.30.0120.00717.04
8.0.20.0120.00717.40
8.0.10.0080.00017.08
8.0.00.0120.00916.87
7.4.330.0050.00015.00
7.4.320.0030.00316.58
7.4.300.0030.00316.67
7.4.290.0000.00716.42
7.4.280.0030.00616.59
7.4.270.0070.00016.61
7.4.260.0030.00316.43
7.4.250.0040.00416.51
7.4.240.0020.00616.60
7.4.230.0030.00316.52
7.4.220.0140.01116.55
7.4.210.0080.00616.56
7.4.200.0030.00316.45
7.4.160.0090.00916.48
7.4.150.0030.01517.40
7.4.140.0080.01017.86
7.4.130.0110.00516.53
7.4.120.0160.00216.55
7.4.110.0060.01016.69
7.4.100.0030.01416.42
7.4.90.0100.00716.39
7.4.80.0140.01019.39
7.4.70.0150.00316.62
7.4.60.0070.01016.54
7.4.50.0040.00016.41
7.4.40.0070.01016.45
7.4.30.0050.01416.66
7.4.00.0100.00714.88
7.3.330.0000.00613.18
7.3.320.0030.00313.19
7.3.310.0020.00516.21
7.3.300.0000.00716.18
7.3.290.0120.00316.34
7.3.280.0080.00916.28
7.3.270.0120.00617.40
7.3.260.0130.00316.39
7.3.250.0090.00916.39
7.3.240.0040.01216.38
7.3.230.0090.00616.39
7.3.210.0110.00716.24
7.3.200.0100.00619.39
7.3.190.0120.00616.48
7.3.180.0080.00816.42
7.3.170.0100.01316.60
7.3.160.0120.00916.29
7.2.330.0030.01316.41
7.2.320.0130.00316.63
7.2.310.0070.01016.75
7.2.300.0060.01616.79
7.2.290.0060.00916.84
7.2.80.0070.00716.59
7.2.00.0000.01119.50
7.1.200.0030.01015.76
7.1.100.0000.01417.91
7.1.70.0070.00316.86
7.1.60.0100.01419.61
7.1.50.0110.01416.85
7.1.00.0030.07722.43
7.0.200.0030.00616.92
7.0.140.0030.07322.15
7.0.60.0130.05319.83
7.0.50.0070.04017.86
7.0.40.0130.08020.03
7.0.30.0500.07320.24
7.0.20.0270.05020.10
7.0.10.0070.07320.16
7.0.00.0000.06020.11
5.6.210.0100.08320.48
5.6.200.0070.08018.23
5.6.190.0100.08320.55
5.6.180.0430.07320.39
5.6.170.0370.05720.50
5.6.160.0100.04020.44
5.6.150.0130.07718.16
5.6.140.0070.08018.15
5.6.130.0070.08018.21
5.6.120.0170.05720.79
5.6.110.0100.07020.87
5.6.100.0030.04320.99
5.6.90.0130.07321.09
5.6.80.0100.07720.41
5.5.350.0130.09020.40
5.5.340.0130.07317.98
5.5.330.0070.08320.13
5.5.320.0370.07320.35
5.5.310.0300.04720.37
5.5.300.0100.06317.99
5.5.290.0030.04017.96
5.5.280.0030.04720.78
5.5.270.0070.04720.88
5.5.260.0030.07720.69
5.5.250.0030.08720.59
5.5.240.0200.06320.27
5.4.450.0130.04319.64
5.4.440.0130.05019.54
5.4.430.0070.04719.32
5.4.420.0070.05019.39
5.4.410.0100.04719.14
5.4.400.0070.03719.17
5.4.390.0170.04319.31
5.4.380.0330.06318.55
5.4.370.0330.06318.77
5.4.360.0430.05718.82
5.4.350.0500.05318.81
5.4.340.0370.06018.74
5.4.320.0040.04012.51
5.4.310.0070.03912.50
5.4.300.0090.03912.51
5.4.290.0060.03912.50
5.4.280.0090.03612.41
5.4.270.0060.04612.40
5.4.260.0070.04212.40
5.4.250.0110.04212.40
5.4.240.0060.03612.40
5.4.230.0080.04212.39
5.4.220.0060.04512.39
5.4.210.0070.04012.39
5.4.200.0080.04112.39
5.4.190.0110.03912.39
5.4.180.0040.04912.39
5.4.170.0070.03412.40
5.4.160.0060.03612.39
5.4.150.0060.03612.39
5.4.140.0060.03712.07
5.4.130.0070.03412.07
5.4.120.0090.03412.02
5.4.110.0070.04312.02
5.4.100.0110.03512.02
5.4.90.0070.04712.02
5.4.80.0080.04012.02
5.4.70.0080.04412.02
5.4.60.0100.03012.02
5.4.50.0050.03512.02
5.4.40.0050.03512.00
5.4.30.0050.03612.00
5.4.20.0080.03412.00
5.4.10.0040.03612.00
5.4.00.0080.03411.49
5.3.290.0080.03712.80
5.3.280.0070.03612.71
5.3.270.0070.03812.72
5.3.260.0070.03812.71
5.3.250.0090.03312.72
5.3.240.0100.03312.72
5.3.230.0050.03912.71
5.3.220.0060.03812.68
5.3.210.0070.03812.68
5.3.200.0080.03512.68
5.3.190.0060.03812.68
5.3.180.0020.04112.67
5.3.170.0080.03412.67
5.3.160.0040.03712.68
5.3.150.0060.03612.67
5.3.140.0090.03312.66
5.3.130.0050.04012.66
5.3.120.0080.03712.66
5.3.110.0060.03912.66
5.3.100.0050.03712.13
5.3.90.0050.03812.11
5.3.80.0080.03412.10
5.3.70.0050.03812.10
5.3.60.0100.03212.09
5.3.50.0080.03412.04
5.3.40.0050.03912.03
5.3.30.0080.03411.99
5.3.20.0090.03711.77
5.3.10.0040.04211.74
5.3.00.0060.03711.73
5.2.170.0050.0329.23
5.2.160.0080.0259.23
5.2.150.0060.0339.23
5.2.140.0050.0299.23
5.2.130.0030.0319.19
5.2.120.0040.0299.19
5.2.110.0060.0289.19
5.2.100.0050.0299.19
5.2.90.0050.0299.19
5.2.80.0050.0319.18
5.2.70.0050.0309.18
5.2.60.0030.0339.14
5.2.50.0050.0329.11
5.2.40.0080.0269.08
5.2.30.0060.0299.06
5.2.20.0050.0289.04
5.2.10.0020.0318.95
5.2.00.0080.0298.82
5.1.60.0020.0268.10
5.1.50.0040.0258.10
5.1.40.0050.0238.07
5.1.30.0030.0278.42
5.1.20.0030.0278.45
5.1.10.0050.0258.17
5.1.00.0060.0248.18
5.0.50.0050.0196.65
5.0.40.0040.0196.51
5.0.30.0040.0396.33
5.0.20.0050.0186.29
5.0.10.0020.0216.27
5.0.00.0020.0336.27
4.4.90.0050.0134.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0030.0154.75
4.4.50.0040.0154.77
4.4.40.0030.0264.71
4.4.30.0040.0154.76
4.4.20.0040.0154.84
4.4.10.0030.0154.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0050.0134.66
4.3.90.0020.0154.63
4.3.80.0040.0244.58
4.3.70.0020.0154.63
4.3.60.0030.0154.63
4.3.50.0040.0144.62
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0020.0153.28
4.3.10.0020.0153.24
4.3.00.0030.01018.16

preferences:
41.24 ms | 401 KiB | 5 Q