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(); }; $bcl = Closure::bind($cl1, 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)
8.3.60.0170.00016.63
8.3.50.0070.01122.00
8.3.40.0140.00018.77
8.3.30.0140.00319.13
8.3.20.0070.00020.21
8.3.10.0070.00023.63
8.3.00.0080.00019.08
8.2.180.0070.00718.28
8.2.170.0070.00722.96
8.2.160.0040.01220.28
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00222.21
8.2.110.0050.00522.20
8.2.100.0060.00617.84
8.2.90.0050.00319.27
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0030.00619.65
8.2.50.0050.00318.07
8.2.40.0000.00819.88
8.2.30.0000.00718.31
8.2.20.0030.00517.82
8.2.10.0000.00718.19
8.2.00.0050.00217.83
8.1.280.0070.00725.92
8.1.270.0060.00322.17
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00921.91
8.1.230.0110.00019.08
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0000.00917.35
8.1.180.0040.00419.01
8.1.170.0050.00318.48
8.1.160.0050.00222.03
8.1.150.0000.00818.69
8.1.140.0040.00417.37
8.1.130.0030.00317.88
8.1.120.0040.00417.39
8.1.110.0040.00717.36
8.1.100.0040.00417.52
8.1.90.0040.00417.46
8.1.80.0040.00417.52
8.1.70.0000.00817.46
8.1.60.0030.00617.59
8.1.50.0030.00517.41
8.1.40.0030.00517.57
8.1.30.0000.00817.58
8.1.20.0040.00417.69
8.1.10.0000.00817.55
8.1.00.0000.00817.55
8.0.300.0080.00018.77
8.0.290.0070.00017.05
8.0.280.0000.00718.39
8.0.270.0070.00017.21
8.0.260.0030.00317.27
8.0.250.0000.00716.95
8.0.240.0000.00816.89
8.0.230.0030.00316.96
8.0.220.0030.00316.84
8.0.210.0000.00716.91
8.0.200.0000.00617.05
8.0.190.0060.00317.10
8.0.180.0080.00016.98
8.0.170.0040.00417.04
8.0.160.0000.00716.88
8.0.150.0000.00716.88
8.0.140.0040.00416.91
8.0.130.0000.00513.36
8.0.120.0000.00816.98
8.0.110.0000.00816.96
8.0.100.0050.00316.88
8.0.90.0040.00416.99
8.0.80.0100.01016.94
8.0.70.0040.00416.84
8.0.60.0080.00016.84
8.0.50.0030.00417.01
8.0.30.0120.00917.30
8.0.20.0150.00617.40
8.0.10.0070.00016.99
8.0.00.0110.00916.85
7.4.330.0050.00015.00
7.4.320.0060.00016.41
7.4.300.0040.00416.50
7.4.290.0070.00016.51
7.4.280.0000.00716.56
7.4.270.0000.00816.59
7.4.260.0030.00316.52
7.4.250.0040.00416.52
7.4.240.0050.00216.50
7.4.230.0030.00316.66
7.4.220.0120.00616.57
7.4.210.0090.00916.52
7.4.200.0040.00416.42
7.4.190.0000.00716.68
7.4.160.0080.00816.36
7.4.150.0040.01617.40
7.4.140.0130.00417.86
7.4.130.0110.00716.45
7.4.120.0130.00816.58
7.4.110.0090.00916.34
7.4.100.0080.00816.51
7.4.90.0100.00716.43
7.4.80.0180.00319.39
7.4.70.0050.01116.36
7.4.60.0100.00716.47
7.4.50.0040.00416.59
7.4.40.0140.00616.53
7.4.30.0090.00916.43
7.4.00.0040.01114.83
7.3.330.0000.00513.38
7.3.320.0020.00313.40
7.3.310.0000.00816.38
7.3.300.0070.00016.42
7.3.290.0000.02016.39
7.3.280.0120.00816.33
7.3.270.0130.00317.40
7.3.260.0090.01216.54
7.3.250.0110.00616.47
7.3.240.0030.01916.55
7.3.230.0080.00816.43
7.3.210.0070.01016.59
7.3.200.0070.01119.39
7.3.190.0070.01416.42
7.3.180.0070.01016.38
7.3.170.0100.00716.45
7.3.160.0150.00016.60
7.3.120.0070.01014.88
7.2.330.0070.01016.62
7.2.320.0100.01316.71
7.2.310.0090.00916.73
7.2.300.0110.00516.78
7.2.290.0100.00616.71
7.2.60.0070.01016.98
7.2.00.0080.00419.47
7.1.200.0030.00915.68
7.1.100.0240.00916.35
7.1.70.0030.00716.86
7.1.60.0160.01019.46
7.1.50.0040.01816.92
7.1.00.0100.07022.48
7.0.200.0030.00616.47
7.0.140.0030.07322.08
7.0.60.0100.08019.91
7.0.50.0070.06717.87
7.0.40.0000.08020.17
7.0.30.0200.05320.16
7.0.20.0270.06720.07
7.0.10.0130.06720.09
7.0.00.0130.07020.33
5.6.280.0030.07320.82
5.6.210.0030.08720.67
5.6.200.0030.04018.16
5.6.190.0030.04720.60
5.6.180.0270.06020.58
5.6.170.0170.04320.45
5.6.160.0070.04020.54
5.6.150.0070.07718.12
5.6.140.0030.04718.15
5.6.130.0070.05018.17
5.6.120.0100.07720.92
5.6.110.0070.05721.13
5.6.100.0030.06720.96
5.6.90.0030.06020.97
5.6.80.0100.07720.31
5.5.350.0030.07020.42
5.5.340.0100.03318.08
5.5.330.0130.07720.21
5.5.320.3870.04320.35
5.5.310.0230.08020.24
5.5.300.0000.05317.94
5.5.290.0070.04017.94
5.5.280.0200.07320.88
5.5.270.0100.07320.73
5.5.260.0100.07720.80
5.5.250.0130.06320.58
5.5.240.0070.04020.05
5.4.450.2130.04019.46
5.4.440.2230.03319.59
5.4.430.2030.03019.55
5.4.420.1870.04719.46
5.4.410.1900.04019.27
5.4.400.1900.03718.98
5.4.390.1930.03319.22
5.4.380.1970.04019.21
5.4.370.1870.04019.10
5.4.360.2000.03719.06
5.4.350.1970.03019.09
5.4.340.2430.03719.16
5.4.320.2170.04319.31
5.4.310.1900.04319.21
5.4.300.1900.03719.19
5.4.290.1930.04019.19
5.4.280.1970.03319.21
5.4.270.2230.03719.13
5.4.260.2000.03019.13
5.4.250.2270.03019.23
5.4.240.2170.04319.08
5.4.230.2100.04018.83
5.4.220.2170.04019.15
5.4.210.2270.04018.83
5.4.200.2070.05019.23
5.4.190.1830.03718.93
5.4.180.1900.03019.14
5.4.170.1830.03719.04
5.4.160.2070.04019.29
5.4.150.1900.03319.19
5.4.140.1900.04316.33
5.4.130.1930.06716.40
5.4.120.1970.03316.50
5.4.110.2100.04016.53
5.4.100.2170.04016.25
5.4.90.2100.04016.19
5.4.80.1830.03716.46
5.4.70.2170.03716.43
5.4.60.1870.03316.55
5.4.50.2030.04316.52
5.4.40.1830.03716.55
5.4.30.2070.04016.61
5.4.20.1970.04716.50
5.4.10.2130.03316.25
5.4.00.2100.03715.73
5.3.290.1900.03714.57
5.3.280.2100.04714.59
5.3.270.2070.04714.76
5.3.260.1930.04014.53
5.3.250.1830.03714.52
5.3.240.2000.04014.58
5.3.230.2100.04014.71
5.3.220.2030.04014.58
5.3.210.1830.04014.71
5.3.200.2070.04314.54
5.3.190.2300.03014.64
5.3.180.2300.04314.57
5.3.170.2000.04714.58
5.3.160.2100.04014.71
5.3.150.2070.04014.79
5.3.140.2030.04014.53
5.3.130.2230.04714.56
5.3.120.1870.04314.52
5.3.110.2030.04714.55
5.3.100.2230.04314.12
5.3.90.2130.03014.14
5.3.80.2170.03714.10
5.3.70.2170.03713.93
5.3.60.0300.04013.92
5.3.50.0070.03313.86
5.3.40.0000.04314.03
5.3.30.0230.05314.00
5.3.20.1970.03013.67
5.3.10.2200.03713.57
5.3.00.2230.04313.86
5.2.170.1570.04011.38
5.2.160.1670.02311.23
5.2.150.1670.03011.28
5.2.140.1600.03011.10
5.2.130.1700.03711.03
5.2.120.1670.02311.04
5.2.110.1700.03011.25
5.2.100.1700.02711.16
5.2.90.1930.02711.02
5.2.80.1600.02711.11
5.2.70.1800.03711.02
5.2.60.1770.02011.13
5.2.50.1770.02711.07
5.2.40.1370.02710.91
5.2.30.1630.03710.88
5.2.20.1400.02311.08
5.2.10.1500.03310.84
5.2.00.1530.03010.84
5.1.60.1430.0239.97
5.1.50.0300.03310.07
5.1.40.0200.04010.07
5.1.30.0230.04710.43
5.1.20.0100.04310.47
5.1.10.0130.03010.05
5.1.00.0130.02310.07
5.0.50.0100.0378.53
5.0.40.0030.0478.50
5.0.30.0070.0378.28
5.0.20.0070.0208.13
5.0.10.0030.0208.07
5.0.00.0130.0538.04
4.4.90.0030.0177.43
4.4.80.0030.0177.43
4.4.70.0030.0377.43
4.4.60.0030.0237.43
4.4.50.0030.0307.43
4.4.40.0100.0377.43
4.4.30.0070.0237.43
4.4.20.0070.0277.43
4.4.10.0100.0407.43
4.4.00.0100.0507.43
4.3.110.0070.0177.43
4.3.100.0100.0277.43
4.3.90.0100.0337.43
4.3.80.0070.0307.43
4.3.70.0130.0137.43
4.3.60.0070.0377.43
4.3.50.0130.0307.43
4.3.40.0000.0537.43
4.3.30.0030.0377.43
4.3.20.0000.0277.43
4.3.10.0030.0207.43
4.3.00.0070.0177.43

preferences:
47.76 ms | 401 KiB | 5 Q