3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance = null; final private function __construct() {} final private function __clone() {} public static function getInstance() { if (!self::$instance) { self::$instance = new self; } return self::$instance; } } $oneInstance = Singleton::getInstance(); echo "Cloneable outside:", var_dump((new ReflectionClass('Singleton'))->isCloneable()); $cloner = function () { var_dump(1, $this); return clone $this; }; $secondInstance = $cloner->bindTo($oneInstance, 'Singleton')->__invoke(); var_dump($oneInstance, $secondInstance);

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)
8.3.60.0070.00718.56
8.3.50.0080.01021.92
8.3.40.0110.00418.92
8.3.30.0070.00719.13
8.3.20.0040.00420.20
8.3.10.0080.00023.66
8.3.00.0080.00019.25
8.2.180.0060.00917.00
8.2.170.0150.00022.96
8.2.160.0100.01020.38
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00422.21
8.2.110.0000.00822.20
8.2.100.0070.00418.09
8.2.90.0100.00018.89
8.2.80.0000.00817.97
8.2.70.0100.00317.75
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00419.76
8.2.30.0040.00418.13
8.2.20.0050.00317.71
8.2.10.0030.00618.07
8.2.00.0000.00917.57
8.1.280.0140.00725.92
8.1.270.0040.00423.96
8.1.260.0000.00926.35
8.1.250.0100.00328.09
8.1.240.0060.00323.81
8.1.230.0110.00019.14
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0040.00417.11
8.1.180.0090.00019.13
8.1.170.0040.00418.57
8.1.160.0080.00021.95
8.1.150.0080.00018.57
8.1.140.0070.00017.43
8.1.130.0070.00017.84
8.1.120.0040.00417.46
8.1.110.0000.00817.34
8.1.100.0040.00417.32
8.1.90.0040.00417.36
8.1.80.0040.00417.44
8.1.70.0000.00717.41
8.1.60.0080.00017.48
8.1.50.0040.00417.52
8.1.40.0000.00817.54
8.1.30.0030.00617.59
8.1.20.0040.00417.57
8.1.10.0080.00017.45
8.1.00.0070.00017.56
8.0.300.0020.00518.77
8.0.290.0000.00717.05
8.0.280.0030.00318.46
8.0.270.0050.00217.14
8.0.260.0060.00017.18
8.0.250.0000.00717.04
8.0.240.0030.00317.04
8.0.230.0030.00316.89
8.0.220.0000.00717.00
8.0.210.0030.00316.97
8.0.200.0020.00517.13
8.0.190.0050.00316.93
8.0.180.0050.00316.89
8.0.170.0020.00516.93
8.0.160.0000.00716.81
8.0.150.0050.00316.92
8.0.140.0000.00716.92
8.0.130.0000.00713.38
8.0.120.0040.00416.93
8.0.110.0000.00816.80
8.0.100.0000.00716.82
8.0.90.0040.00417.03
8.0.80.0040.01216.98
8.0.70.0000.00716.87
8.0.60.0080.00017.04
8.0.50.0000.00716.76
8.0.30.0080.01216.96
8.0.20.0120.00717.40
8.0.10.0050.00317.12
8.0.00.0060.01116.57
7.4.330.0060.00015.09
7.4.320.0040.00416.60
7.4.300.0050.00316.46
7.4.290.0000.00716.64
7.4.280.0050.00316.51
7.4.270.0040.00416.54
7.4.260.0030.00316.54
7.4.250.0070.00016.57
7.4.240.0070.00216.51
7.4.230.0000.00716.55
7.4.220.0100.00716.61
7.4.210.0060.01016.67
7.4.200.0000.00716.46
7.4.190.0070.00016.71
7.4.160.0090.00916.46
7.4.150.0160.00317.40
7.4.140.0160.00517.86
7.4.130.0100.01216.65
7.4.120.0090.00916.65
7.4.110.0040.01416.61
7.4.100.0120.00616.51
7.4.90.0130.00316.57
7.4.80.0110.01019.39
7.4.70.0060.01516.47
7.4.60.0120.00316.68
7.4.50.0050.00316.25
7.4.40.0070.01416.63
7.4.30.0130.00316.59
7.4.00.0070.01014.79
7.3.330.0020.00213.31
7.3.320.0030.00313.13
7.3.310.0050.00216.27
7.3.300.0020.00516.14
7.3.290.0160.00016.31
7.3.280.0090.00816.31
7.3.270.0130.00317.40
7.3.260.0120.00616.48
7.3.250.0120.00816.42
7.3.240.0130.00416.30
7.3.230.0050.01116.39
7.3.210.0000.01716.53
7.3.200.0150.00419.39
7.3.190.0050.01316.51
7.3.180.0120.00416.12
7.3.170.0030.01316.39
7.3.160.0080.01216.32
7.3.120.0060.00914.89
7.3.110.0000.00814.66
7.3.100.0100.00314.79
7.3.90.0040.01114.86
7.3.80.0000.00814.65
7.3.70.0040.00414.51
7.3.60.0090.00614.40
7.3.50.0000.01814.68
7.3.40.0030.01014.73
7.3.30.0070.01014.74
7.3.20.0030.01016.22
7.3.10.0030.00916.58
7.3.00.0040.01116.49
7.2.330.0140.00316.40
7.2.320.0140.00316.76
7.2.310.0110.00616.48
7.2.300.0130.00316.85
7.2.290.0120.01216.41
7.2.240.0030.01515.23
7.2.230.0090.00614.91
7.2.220.0060.00314.93
7.2.210.0070.00714.97
7.2.200.0000.01415.04
7.2.190.0090.00914.87
7.2.180.0030.00914.92
7.2.170.0040.00815.11
7.2.160.0030.01414.81
7.2.150.0060.01016.90
7.2.140.0040.01117.00
7.2.130.0040.01117.02
7.2.120.0080.00416.77
7.2.110.0000.01516.93
7.2.100.0030.01417.07
7.2.90.0070.00717.07
7.2.80.0040.01416.74
7.2.70.0070.00716.85
7.2.60.0070.01016.78
7.2.50.0060.01017.18
7.2.40.0090.00616.79
7.2.30.0030.01317.11
7.2.20.0070.00716.94
7.2.10.0030.01016.70
7.2.00.0140.00017.00
7.1.330.0070.00715.79
7.1.320.0030.00515.89
7.1.310.0000.01315.48
7.1.300.0030.01015.53
7.1.290.0060.00615.66
7.1.280.0030.01315.80
7.1.270.0030.01015.70
7.1.260.0000.01115.41
7.1.250.0000.01415.63
7.1.70.0030.00617.22
7.1.60.0120.01219.46
7.1.50.0090.00916.93
7.1.00.0000.08022.42
7.0.200.0000.00916.83
7.0.140.0030.07322.19
7.0.70.0070.04021.82
7.0.60.0000.04721.75
7.0.50.0070.08722.20
7.0.40.0130.03320.07
7.0.30.0030.04320.08
7.0.20.0000.08020.08
7.0.10.0030.04020.13
7.0.00.0030.04720.03
5.6.280.0000.07320.99
5.6.220.0100.05320.67
5.6.210.0030.05020.50
5.6.200.0000.05320.95
5.6.190.0070.04720.93
5.6.180.0070.04321.12
5.6.170.0130.04020.96
5.6.160.0000.05721.05
5.6.150.0070.03721.03
5.6.140.0100.03321.06
5.6.130.0000.04321.18
5.6.120.0000.03721.11
5.6.110.0000.05021.16
5.6.100.0000.05721.11
5.6.90.0000.04321.10
5.6.80.0070.03320.49
5.6.70.0030.04320.45
5.6.60.0070.03720.44
5.6.50.0070.03720.43
5.6.40.0000.04320.31
5.6.30.0000.05020.48
5.6.20.0030.07720.45
5.6.10.0000.05020.41
5.6.00.0070.03720.43
5.5.360.0070.04320.37
5.5.350.0130.07320.37
5.5.340.0000.06020.84
5.5.330.0100.03720.73
5.5.320.0030.05020.86
5.5.310.0030.05020.82
5.5.300.0070.04720.90
5.5.290.0000.09020.78
5.5.280.0000.03720.92
5.5.270.0030.04020.64
5.5.260.0000.04320.82
5.5.250.0070.04020.72
5.5.240.0000.04320.30
5.5.230.0100.03720.25
5.5.220.0000.04320.14
5.5.210.0030.05020.25
5.5.200.0000.04320.00
5.5.190.0000.04720.25
5.5.180.0100.03320.19
5.5.160.0070.03720.23
5.5.150.0000.03320.22
5.5.140.0100.02720.16
5.5.130.0000.04020.16
5.5.120.0030.03020.11
5.5.110.0000.07320.18
5.5.100.0000.07320.09
5.5.90.0070.07319.95
5.5.80.0030.04020.06
5.5.70.0030.06020.07
5.5.60.0070.08320.17
5.5.50.0030.04020.07
5.5.40.0100.03320.05
5.5.30.0030.05720.09
5.5.20.0000.05019.99
5.5.10.0070.06719.95
5.5.00.0030.08320.00
5.4.450.0030.06019.20
5.4.440.0030.03719.45
5.4.430.0030.07319.52
5.4.420.0030.04019.37
5.4.410.0000.04319.29
5.4.400.0030.03319.13
5.4.390.0030.06719.10
5.4.380.0030.03718.90
5.4.370.0030.03718.88
5.4.360.0030.03719.05
5.4.350.0030.03719.19
5.4.340.0030.07019.13
5.4.320.0030.04019.14
5.4.310.0030.04719.23
5.4.300.0030.04018.89
5.4.290.0000.05319.15
5.4.280.0000.07719.04
5.4.270.0030.05019.03
5.4.260.0030.07319.23
5.4.250.0100.07018.90
5.4.240.0030.06018.84
5.4.230.0070.03719.12
5.4.220.0100.04719.22
5.4.210.0070.03318.84
5.4.200.0070.07019.08
5.4.190.0000.08319.03
5.4.180.0000.08319.16
5.4.170.0000.08319.22
5.4.160.0100.07018.88
5.4.150.0170.06719.02
5.4.140.0030.07716.21
5.4.130.0100.06716.32
5.4.120.0100.05716.40
5.4.110.0000.06016.47
5.4.100.0000.05016.51
5.4.90.0030.05716.50
5.4.80.0000.08016.49
5.4.70.0070.06716.34
5.4.60.0070.08016.53
5.4.50.0000.06716.36
5.4.40.0070.05316.30
5.4.30.0100.04716.30
5.4.20.0030.07716.40
5.4.10.0100.06316.31
5.4.00.0030.04315.89
5.3.290.0030.04314.60
5.3.280.0000.04714.71
5.3.270.0000.04014.64
5.3.260.0030.07714.63
5.3.250.0030.05014.54
5.3.240.0030.06714.56
5.3.230.0000.07314.71
5.3.220.0000.07314.60
5.3.210.0000.05714.63
5.3.200.0100.04714.62
5.3.190.0030.07314.68
5.3.180.0070.07014.52
5.3.170.0000.08314.71
5.3.160.0070.07714.50
5.3.150.0030.05714.53
5.3.140.0100.05014.53
5.3.130.0000.05314.54
5.3.120.0070.07314.47
5.3.110.0070.08014.64
5.3.100.0030.07013.99
5.3.90.0030.06714.07
5.3.80.0070.07314.16
5.3.70.0030.06314.15
5.3.60.0030.07713.91
5.3.50.0100.07713.95
5.3.40.0030.07014.05
5.3.30.0000.04313.91
5.3.20.0070.07013.80
5.3.10.0030.06313.58
5.3.00.0070.07013.74
5.2.170.0000.05312.54
5.2.160.0000.06312.54
5.2.150.0100.04012.54
5.2.140.0000.04012.54
5.2.130.0030.06312.54
5.2.120.0030.06012.54
5.2.110.0030.05712.54
5.2.100.0170.05312.54
5.2.90.0030.05312.54
5.2.80.0000.06012.54
5.2.70.0030.04312.54
5.2.60.0030.06312.54
5.2.50.0000.06312.54
5.2.40.0030.06012.54
5.2.30.0070.03012.54
5.2.20.0000.04312.54
5.2.10.0000.06712.54
5.2.00.0000.06712.54
5.1.60.0070.05012.54
5.1.50.0030.04312.54
5.1.40.0070.05312.54
5.1.30.0030.05312.54
5.1.20.0070.05312.54
5.1.10.0030.05712.54
5.1.00.0070.05312.54
5.0.50.0000.04312.54
5.0.40.0070.04012.54
5.0.30.0000.07012.54
5.0.20.0030.04312.54
5.0.10.0000.04712.54
5.0.00.0000.06312.54
4.4.90.0030.02012.54
4.4.80.0030.03012.54
4.4.70.0030.02712.54
4.4.60.0030.03312.54
4.4.50.0000.03712.54
4.4.40.0030.04312.54
4.4.30.0070.02712.54
4.4.20.0000.02312.54
4.4.10.0030.03312.54
4.4.00.0000.03712.54
4.3.110.0070.02312.54
4.3.100.0030.03312.54
4.3.90.0000.03312.54
4.3.80.0070.05012.54
4.3.70.0000.03712.54
4.3.60.0000.03712.54
4.3.50.0000.03712.54
4.3.40.0030.05312.54
4.3.30.0030.03712.54
4.3.20.0130.02312.54
4.3.10.0030.02312.54
4.3.00.0000.04012.54

preferences:
51.02 ms | 401 KiB | 5 Q