3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance; private function __construct() { } public static function getInstance() { if (null === self::$instance) { self::$instance = new self(); } return self::$instance; } } $cl = static function() { return new self(); }; $bcl = Closure::bind($cl, null, 'Singleton'); var_dump(Singleton::getInstance()); var_dump(Singleton::getInstance()); var_dump(Singleton::getInstance()); var_dump($bcl()); var_dump($bcl());

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)
8.3.40.0040.01118.97
8.3.30.0080.00819.26
8.3.20.0040.00420.16
8.3.10.0000.00723.66
8.3.00.0040.00420.96
8.2.170.0040.01122.96
8.2.160.0110.00420.30
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0050.00322.26
8.2.110.0070.00322.08
8.2.100.0090.00317.72
8.2.90.0050.00319.26
8.2.80.0060.00317.97
8.2.70.0030.00617.50
8.2.60.0060.00318.03
8.2.50.0040.00418.07
8.2.40.0000.00820.00
8.2.30.0050.00218.33
8.2.20.0000.00817.73
8.2.10.0040.00418.19
8.2.00.0020.00517.73
8.1.270.0040.00422.19
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00619.14
8.1.230.0070.00319.18
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.48
8.1.190.0000.00817.23
8.1.180.0080.00018.88
8.1.170.0040.00418.55
8.1.160.0000.00721.94
8.1.150.0070.00018.58
8.1.140.0050.00217.47
8.1.130.0000.00817.72
8.1.120.0000.00717.50
8.1.110.0040.00717.52
8.1.100.0000.00717.36
8.1.90.0040.00417.46
8.1.80.0000.00817.34
8.1.70.0070.00017.41
8.1.60.0060.00317.49
8.1.50.0050.00317.55
8.1.40.0000.00817.42
8.1.30.0060.00317.59
8.1.20.0000.00917.66
8.1.10.0000.00817.43
8.1.00.0040.00417.50
8.0.300.0060.00318.77
8.0.290.0000.00717.18
8.0.280.0040.00418.48
8.0.270.0050.00317.21
8.0.260.0030.00317.09
8.0.250.0000.00816.85
8.0.240.0050.00316.80
8.0.230.0070.00016.88
8.0.220.0000.00716.73
8.0.210.0000.00716.87
8.0.200.0030.00316.90
8.0.190.0070.00016.94
8.0.180.0050.00216.93
8.0.170.0080.00016.84
8.0.160.0000.00716.91
8.0.150.0000.00716.84
8.0.140.0040.00416.79
8.0.130.0030.00313.38
8.0.120.0040.00416.84
8.0.110.0050.00216.77
8.0.100.0000.00917.03
8.0.90.0030.00316.70
8.0.80.0160.00616.91
8.0.70.0070.00016.84
8.0.60.0000.00817.02
8.0.50.0040.00416.80
8.0.30.0110.00816.97
8.0.20.0100.00917.40
8.0.10.0070.00016.89
8.0.00.0110.00716.81
7.4.330.0000.00615.00
7.4.320.0000.00616.51
7.4.300.0000.00716.61
7.4.290.0000.00716.51
7.4.280.0000.00716.61
7.4.270.0040.00416.63
7.4.260.0030.00316.56
7.4.250.0000.00816.62
7.4.240.0040.00416.58
7.4.230.0000.00716.64
7.4.220.0110.00716.38
7.4.210.0060.00816.62
7.4.200.0030.00316.71
7.4.190.0030.00316.77
7.4.160.0100.00716.52
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0130.00716.50
7.4.120.0050.01116.49
7.4.110.0060.01216.68
7.4.100.0180.00316.64
7.4.90.0070.01016.57
7.4.80.0030.01919.39
7.4.70.0130.01016.68
7.4.60.0030.01316.46
7.4.50.0000.00516.22
7.4.40.0100.01016.62
7.4.30.0100.00716.54
7.4.00.0030.01415.22
7.3.330.0000.00513.31
7.3.320.0030.00313.07
7.3.310.0000.00816.21
7.3.300.0070.00016.23
7.3.290.0000.01516.31
7.3.280.0100.00916.33
7.3.270.0120.01217.40
7.3.260.0060.01116.45
7.3.250.0130.00816.44
7.3.240.0080.00916.25
7.3.230.0100.00716.50
7.3.210.0060.01016.24
7.3.200.0070.01019.39
7.3.190.0170.00616.25
7.3.180.0110.00516.51
7.3.170.0080.00816.58
7.3.160.0110.00516.59
7.3.120.0090.00614.75
7.3.10.0060.00916.50
7.3.00.0090.00516.53
7.2.330.0090.00816.44
7.2.320.0090.00916.35
7.2.310.0030.01516.41
7.2.300.0100.00616.61
7.2.290.0130.00316.72
7.2.130.0100.00516.91
7.2.120.0070.00816.80
7.2.110.0070.00716.87
7.2.100.0030.01216.97
7.2.90.0080.00516.90
7.2.80.0050.01217.01
7.2.70.0050.00816.85
7.2.60.0060.00716.85
7.2.50.0080.00816.87
7.2.40.0090.00616.78
7.2.30.0070.00717.01
7.2.20.0090.00516.78
7.2.10.0090.00716.88
7.2.00.0040.00916.91
7.1.250.0050.00915.85
7.1.240.0090.00615.69
7.1.230.0030.01015.61
7.1.220.0030.00615.56
7.1.210.0090.00615.71
7.1.200.0070.00315.67
7.1.190.0030.00915.49
7.1.180.0030.01015.41
7.1.170.0070.00315.82
7.1.160.0090.00615.50
7.1.150.0030.01015.68
7.1.140.0040.00815.77
7.1.130.0040.00415.27
7.1.120.0040.00415.75
7.1.110.0060.00615.52
7.1.100.0040.01115.82
7.1.90.0060.00615.80
7.1.80.0060.00615.77
7.1.70.0060.00816.38
7.1.60.0050.01217.54
7.1.50.0100.00716.34
7.1.40.0150.00015.80
7.1.30.0060.00915.89
7.1.20.0090.00615.34
7.1.10.0070.00715.51
7.1.00.0060.03819.03
7.0.330.0060.00315.45
7.0.320.0090.00315.14
7.0.310.0080.00415.34
7.0.300.0130.00015.10
7.0.290.0070.00715.17
7.0.280.0030.00615.39
7.0.270.0060.00615.21
7.0.260.0110.00414.87
7.0.250.0070.00315.34
7.0.240.0000.01415.50
7.0.230.0030.00915.21
7.0.220.0090.00315.53
7.0.210.0100.00315.55
7.0.200.0070.00716.09
7.0.190.0050.00215.16
7.0.180.0060.00615.45
7.0.170.0000.00815.21
7.0.160.0070.00715.42
7.0.150.0060.01215.43
7.0.140.0050.04218.61
7.0.130.0080.00415.36
7.0.120.0120.00315.23
7.0.110.0100.00315.11
7.0.100.0040.00715.29
7.0.90.0030.01015.36
7.0.80.0080.00015.47
7.0.70.0100.00015.09
7.0.60.0080.02917.49
7.0.50.0080.04116.50
7.0.40.0090.02216.85
7.0.30.0250.03216.67
7.0.20.0130.03616.80
7.0.10.0040.02816.88
7.0.00.0060.02516.82
5.6.380.0060.00914.54
5.6.370.0050.00814.66
5.6.360.0060.00914.63
5.6.350.0030.01214.25
5.6.340.0090.00614.39
5.6.330.0100.00314.60
5.6.320.0140.00014.52
5.6.310.0070.00314.19
5.6.300.0030.01414.34
5.6.290.0000.01414.51
5.6.280.0070.03317.78
5.6.270.0040.00414.16
5.6.260.0060.00614.07
5.6.250.0050.00314.61
5.6.240.0030.01014.16
5.6.230.0000.01014.13
5.6.220.0030.01014.26
5.6.210.0090.03317.43
5.6.200.0050.03816.29
5.6.190.0070.02317.51
5.6.180.0100.04717.60
5.6.170.0150.04017.49
5.6.160.0150.03217.40
5.6.150.0070.02816.43
5.6.140.0030.03516.39
5.6.130.0050.02716.19
5.6.120.0060.04317.84
5.6.110.0020.04417.71
5.6.100.0110.03717.66
5.6.90.0070.04017.69
5.6.80.0050.04317.44
5.6.70.0060.00914.36
5.6.60.0040.01114.41
5.6.50.0050.00514.29
5.6.40.0030.00614.23
5.6.30.0060.00614.48
5.6.20.0140.00314.30
5.6.10.0000.01314.09
5.6.00.0070.00414.37
5.5.380.0030.00711.46
5.5.370.0070.00311.46
5.5.360.0030.00711.42
5.5.350.1800.02815.77
5.5.340.0060.04114.74
5.5.330.0100.03615.81
5.5.320.0100.02615.71
5.5.310.0270.03615.71
5.5.300.0100.03514.61
5.5.290.0060.02314.56
5.5.280.0100.03816.05
5.5.270.0000.03016.06
5.5.260.0030.03815.98
5.5.250.0050.04215.88
5.5.240.0070.01515.69
5.5.230.0050.00311.18
5.5.220.0000.00811.18
5.5.210.0040.00811.27
5.5.200.0030.00811.18
5.5.190.0000.01111.19
5.5.180.0030.01011.18
5.5.170.0080.00411.19
5.5.160.0000.01011.18
5.5.150.0040.00411.18
5.5.140.0090.00011.32
5.5.130.0000.00811.18
5.5.120.0030.00611.32
5.5.110.0030.00611.31
5.5.100.0030.00611.18
5.5.90.0080.00311.18
5.5.80.0030.01011.18
5.5.70.0060.00311.18
5.5.60.0030.00611.18
5.5.50.0030.00911.18
5.5.40.0030.00611.23
5.5.30.0000.00911.18
5.5.20.0060.00311.34
5.5.10.0070.00011.19
5.5.00.0090.00311.18
5.4.450.0150.03215.35
5.4.440.0120.02815.25
5.4.430.0030.03515.20
5.4.420.0560.02815.21
5.4.410.0600.03115.28
5.4.400.0420.02615.09
5.4.390.0550.02715.04
5.4.380.0120.02815.01
5.4.370.0130.02715.00
5.4.360.0150.02314.99
5.4.350.0070.03014.98
5.4.340.0060.03114.98
5.4.330.0080.00311.18
5.4.320.0040.02211.84
5.4.310.0050.02311.84
5.4.300.0030.02611.84
5.4.290.0070.03311.84
5.4.280.0080.03511.79
5.4.270.0040.03511.79
5.4.260.0040.03311.79
5.4.250.0070.03311.79
5.4.240.0100.04811.79
5.4.230.0080.05311.78
5.4.220.0090.02911.78
5.4.210.0060.03711.78
5.4.200.0050.03011.78
5.4.190.0050.02911.78
5.4.180.0100.02911.78
5.4.170.0060.03211.79
5.4.160.0180.04611.78
5.4.150.0130.05311.79
5.4.140.0090.05111.63
5.4.130.0050.03311.62
5.4.120.0090.04811.60
5.4.110.0070.05011.60
5.4.100.0060.02911.60
5.4.90.0040.03211.60
5.4.80.0060.03411.60
5.4.70.0080.03011.60
5.4.60.0080.03011.59
5.4.50.0090.04911.60
5.4.40.0090.03011.59
5.4.30.0050.03811.59
5.4.20.0100.04311.59
5.4.10.0150.05311.59
5.4.00.0150.05011.33
5.3.290.0080.02311.99
5.3.280.0090.02811.94
5.3.270.0070.04311.95
5.3.260.0060.03811.95
5.3.250.0110.03211.95
5.3.240.0090.03111.95
5.3.230.0100.03111.94
5.3.220.0080.03311.93
5.3.210.0080.02911.93
5.3.200.0080.03111.93
5.3.190.0140.04811.93
5.3.180.0090.03211.92
5.3.170.0070.03011.92
5.3.160.0080.03111.93
5.3.150.0130.06511.93
5.3.140.0070.04311.92
5.3.130.0050.03811.92
5.3.120.0150.05211.91
5.3.110.0090.03511.91
5.3.100.0080.03111.65
5.3.90.0080.03211.64
5.3.80.0140.02611.63
5.3.70.0080.04111.64
5.3.60.0080.03511.63
5.3.50.0080.03311.60
5.3.40.0080.03611.60
5.3.30.0070.03111.59
5.3.20.0050.03311.47
5.3.10.0070.03411.46
5.3.00.0100.03311.45
5.2.170.0070.03910.20
5.2.160.0100.02610.20
5.2.150.0120.05010.20
5.2.140.0180.05510.20
5.2.130.0090.03710.18
5.2.120.0100.02910.18
5.2.110.0070.02210.18
5.2.100.0040.03410.18
5.2.90.0090.03210.18
5.2.80.0080.02010.18
5.2.70.0030.02210.18
5.2.60.0070.02310.15
5.2.50.0100.02010.14
5.2.40.0070.02410.13
5.2.30.0050.02110.11
5.2.20.0040.02310.11
5.2.10.0070.02910.06
5.2.00.0070.0209.99
5.1.60.0070.0209.63
5.1.50.0090.0469.63
5.1.40.0060.0199.63
5.1.30.0020.0199.80
5.1.20.0050.0189.81
5.1.10.0070.0169.67
5.1.00.0040.0169.67
5.0.50.0050.0178.91
5.0.40.0030.0188.84
5.0.30.0050.0298.75
5.0.20.0070.0238.73
5.0.10.0080.0358.72
5.0.00.0070.0258.71
4.4.90.0060.0137.98
4.4.80.0040.0157.96
4.4.70.0040.0147.96
4.4.60.0040.0127.96
4.4.50.0050.0137.97
4.4.40.0040.0197.94
4.4.30.0020.0137.97
4.4.20.0030.0148.01
4.4.10.0030.0128.01
4.4.00.0040.0157.97
4.3.110.0020.0107.92
4.3.100.0020.0147.92
4.3.90.0020.0187.91
4.3.80.0090.0127.88
4.3.70.0020.0117.90
4.3.60.0040.0107.90
4.3.50.0030.0117.90
4.3.40.0020.0177.85
4.3.30.0010.0127.24
4.3.20.0040.0127.23
4.3.10.0060.0137.21
4.3.00.0020.0149.37

preferences:
46.82 ms | 400 KiB | 5 Q