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 () { return clone $this; }; $secondInstance = $cloner->bindTo($oneInstance, 'Singleton')->__invoke(); $thirdInstance = clone $oneInstance; var_dump($oneInstance, $secondInstance, $thirdInstance);

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)
8.3.70.0150.00616.88
8.3.60.0110.01118.68
8.3.50.0090.00721.27
8.3.40.0140.00019.09
8.3.30.0110.00320.13
8.3.20.0040.00420.18
8.3.10.0050.00321.96
8.3.00.0050.00322.39
8.2.180.0070.01418.66
8.2.170.0110.00422.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0030.01026.16
8.2.120.0040.00419.61
8.2.110.0000.00922.26
8.2.100.0040.00817.91
8.2.90.0000.00819.05
8.2.80.0040.00419.21
8.2.70.0030.00617.60
8.2.60.0000.00918.03
8.2.50.0000.00918.07
8.2.40.0080.00018.05
8.2.30.0090.00018.06
8.2.20.0040.00417.68
8.2.10.0040.00417.75
8.2.00.0030.00617.81
8.1.280.0070.01525.92
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.84
8.1.230.0040.00719.10
8.1.220.0030.00517.79
8.1.210.0080.00018.77
8.1.200.0060.00317.13
8.1.190.0000.00817.47
8.1.180.0030.00518.10
8.1.170.0040.00418.56
8.1.160.0000.00722.15
8.1.150.0060.00318.57
8.1.140.0040.00417.53
8.1.130.0030.00317.86
8.1.120.0000.00817.47
8.1.110.0080.00017.50
8.1.100.0000.00717.52
8.1.90.0070.00017.51
8.1.80.0000.00717.43
8.1.70.0030.00317.39
8.1.60.0040.00417.51
8.1.50.0000.00717.50
8.1.40.0040.00417.54
8.1.30.0000.00717.62
8.1.20.0050.00317.69
8.1.10.0000.00717.57
8.1.00.0040.00417.53
8.0.300.0000.00718.77
8.0.290.0000.00717.04
8.0.280.0000.00718.45
8.0.270.0070.00017.20
8.0.260.0030.00316.89
8.0.250.0070.00017.05
8.0.240.0080.00016.98
8.0.230.0030.00316.93
8.0.220.0070.00016.95
8.0.210.0000.00716.88
8.0.200.0000.00717.07
8.0.190.0000.00717.00
8.0.180.0040.00416.97
8.0.170.0060.00316.99
8.0.160.0000.00817.04
8.0.150.0000.00816.99
8.0.140.0040.00416.91
8.0.130.0050.00013.43
8.0.120.0040.00416.93
8.0.110.0040.00417.04
8.0.100.0040.00416.84
8.0.90.0000.00716.87
8.0.80.0030.01316.88
8.0.70.0040.00416.86
8.0.60.0050.00217.02
8.0.50.0070.00016.78
8.0.30.0100.00917.10
8.0.20.0110.00817.40
8.0.10.0040.00417.10
8.0.00.0070.01016.78
7.4.330.0020.00215.00
7.4.320.0070.00016.51
7.4.300.0030.00316.45
7.4.290.0030.00316.57
7.4.280.0070.00016.53
7.4.270.0050.00516.61
7.4.260.0000.00716.48
7.4.250.0000.00816.59
7.4.240.0020.00616.48
7.4.230.0030.00316.71
7.4.220.0150.01116.56
7.4.210.0070.00716.65
7.4.200.0070.00016.73
7.4.190.0030.00416.43
7.4.160.0140.00316.26
7.4.150.0090.00917.40
7.4.140.0100.01217.86
7.4.130.0090.01116.59
7.4.120.0120.00816.62
7.4.110.0070.01016.56
7.4.100.0110.00716.57
7.4.90.0100.01016.60
7.4.80.0120.00619.39
7.4.70.0130.00316.61
7.4.60.0170.00016.48
7.4.50.0000.00916.43
7.4.40.0110.00722.77
7.4.30.0070.01016.59
7.4.00.0100.00714.90
7.3.330.0060.00013.35
7.3.320.0020.00213.38
7.3.310.0070.00016.20
7.3.300.0070.00016.39
7.3.290.0070.00716.38
7.3.280.0090.00716.40
7.3.270.0140.00617.40
7.3.260.0030.01516.55
7.3.250.0030.01416.44
7.3.240.0120.00616.34
7.3.230.0120.00616.57
7.3.210.0090.00816.43
7.3.200.0080.00819.39
7.3.190.0100.00716.52
7.3.180.0070.01416.45
7.3.170.0030.01316.39
7.3.160.0080.00816.52
7.3.120.0070.00714.94
7.3.110.0110.00414.68
7.3.100.0030.00914.89
7.3.90.0060.00915.02
7.3.80.0080.00414.98
7.3.70.0000.01614.66
7.3.60.0000.01114.71
7.3.50.0030.00814.88
7.3.40.0030.00614.54
7.3.30.0070.00414.93
7.3.20.0070.01016.72
7.3.10.0060.00816.45
7.3.00.0130.00316.33
7.2.330.0090.00916.88
7.2.320.0150.00616.77
7.2.310.0060.00916.50
7.2.300.0030.01316.93
7.2.290.0100.01216.81
7.2.240.0070.00715.23
7.2.230.0030.01215.21
7.2.220.0070.00714.67
7.2.210.0000.01014.96
7.2.200.0000.01715.04
7.2.190.0040.01115.29
7.2.180.0030.01015.07
7.2.170.0000.01315.18
7.2.160.0080.00615.25
7.2.150.0070.01016.68
7.2.140.0000.01417.05
7.2.130.0090.00616.83
7.2.120.0120.00516.88
7.2.110.0070.00816.64
7.2.100.0050.00716.79
7.2.90.0060.01016.85
7.2.80.0090.00916.77
7.2.70.0070.00516.77
7.2.60.0150.00316.72
7.2.50.0100.01016.86
7.2.40.0140.00516.91
7.2.30.0110.00716.76
7.2.20.0120.01016.67
7.2.10.0070.01116.69
7.2.00.0060.01117.80
7.1.330.0000.01715.82
7.1.320.0030.00615.63
7.1.310.0060.00615.73
7.1.300.0090.00315.73
7.1.290.0040.01115.78
7.1.280.0030.01215.77
7.1.270.0130.00315.75
7.1.260.0070.01015.65
7.1.250.0070.00615.57
7.1.200.0090.00615.70
7.1.100.0080.00817.75
7.1.70.0070.00016.81
7.1.60.0040.02119.21
7.1.50.0030.01716.82
7.1.00.0070.05322.30
7.0.200.0140.00314.64
7.0.140.0030.07322.09
7.0.100.0100.08019.98
7.0.90.0070.06019.98
7.0.80.0130.04019.88
7.0.70.0030.05319.86
7.0.60.0100.03719.90
7.0.50.0070.04720.19
7.0.40.0070.08319.94
7.0.30.0070.08019.98
7.0.20.0030.06020.13
7.0.10.0070.04020.03
7.0.00.0030.04020.07
5.6.280.0030.07321.15
5.6.250.0100.08320.74
5.6.240.0070.05720.59
5.6.230.0100.04720.56
5.6.220.0030.04020.63
5.6.210.0030.05020.56
5.6.200.0070.04020.89
5.6.190.0000.04321.01
5.6.180.0170.07321.02
5.6.170.0030.04021.04
5.6.160.0030.06021.02
5.6.150.0070.04021.04
5.6.140.0130.04321.00
5.6.130.0070.06020.92
5.6.120.0070.04321.00
5.6.110.0100.04321.06
5.6.100.0070.03720.99
5.6.90.0100.03720.95
5.6.80.0000.05020.46
5.6.70.0000.04320.30
5.6.60.0030.04020.38
5.6.50.0100.05720.51
5.6.40.0030.04320.36
5.6.30.0000.04020.40
5.6.20.0070.03720.25
5.6.10.0000.04320.39
5.6.00.0130.03320.43
5.5.380.0070.04020.34
5.5.370.0100.04320.38
5.5.360.0000.04320.52
5.5.350.0000.04320.32
5.5.340.0030.04020.89
5.5.330.0000.05320.77
5.5.320.0070.06720.76
5.5.310.0170.06720.83
5.5.300.0030.04320.86
5.5.290.0030.04320.60
5.5.280.0030.04320.79
5.5.270.0070.04020.75
5.5.260.0070.05720.64
5.5.250.0030.04020.63
5.5.240.0100.06020.22
5.5.230.0030.06320.25
5.5.220.0030.04020.25
5.5.210.0070.05320.14
5.5.200.0030.03720.05
5.5.190.0070.04020.19
5.5.180.0070.03719.93
5.5.160.0030.06320.05
5.5.150.0030.07020.07
5.5.140.0130.06020.21
5.5.130.0000.08320.11
5.5.120.0230.06320.07
5.5.110.0070.08020.11
5.5.100.0070.04319.95
5.5.90.0100.06320.13
5.5.80.0000.08320.13
5.5.70.0070.04320.12
5.5.60.0000.04020.06
5.5.50.0100.03320.10
5.5.40.0100.07319.99
5.5.30.0200.06720.02
5.5.20.0170.07720.07
5.5.10.0100.08019.93
5.5.00.0130.06720.00
5.4.450.0030.04319.37
5.4.440.0070.04719.38
5.4.430.0070.03719.35
5.4.420.0030.05019.22
5.4.410.0030.06319.23
5.4.400.0000.04019.01
5.4.390.0030.04019.13
5.4.380.0000.04018.85
5.4.370.0070.03319.05
5.4.360.0070.03718.95
5.4.350.0070.03719.05
5.4.340.0030.03719.24
5.4.320.0030.04019.21
5.4.310.0100.04719.12
5.4.300.0130.06719.16
5.4.290.0030.07719.18
5.4.280.0030.08019.23
5.4.270.0100.07319.12
5.4.260.0000.07319.16
5.4.250.0030.07719.20
5.4.240.0100.03718.86
5.4.230.0000.06019.18
5.4.220.0030.06719.15
5.4.210.0070.07319.09
5.4.200.0070.07019.09
5.4.190.0100.04319.10
5.4.180.0130.07019.09
5.4.170.0070.07719.16
5.4.160.0070.05319.02
5.4.150.0100.06319.16
5.4.140.0030.06716.15
5.4.130.0070.07316.37
5.4.120.0070.07716.38
5.4.110.0170.03016.37
5.4.100.0070.06016.43
5.4.90.0100.06316.42
5.4.80.0100.06316.38
5.4.70.0170.06316.42
5.4.60.0130.05716.31
5.4.50.0130.06316.34
5.4.40.0100.06316.39
5.4.30.0030.07016.41
5.4.20.0070.06316.48
5.4.10.0030.04716.48
5.4.00.0130.06315.82
5.3.290.0000.04014.70
5.3.280.0030.08314.58
5.3.270.0070.04714.73
5.3.260.0130.07014.54
5.3.250.0070.06014.68
5.3.240.0100.07314.59
5.3.230.0130.06014.70
5.3.220.0070.07014.55
5.3.210.0100.06014.59
5.3.200.0070.08014.55
5.3.190.0070.06714.59
5.3.180.0070.06314.50
5.3.170.0030.04314.63
5.3.160.0000.07014.66
5.3.150.0000.08314.70
5.3.140.0030.06714.55
5.3.130.0070.04714.68
5.3.120.0030.07714.62
5.3.110.0070.08014.54
5.3.100.0070.07314.10
5.3.90.0130.06014.13
5.3.80.0170.06714.16
5.3.70.0070.04013.95
5.3.60.0130.06714.04
5.3.50.0070.06713.88
5.3.40.0070.07313.86
5.3.30.0170.06314.02
5.3.20.0030.07713.63
5.3.10.0070.05713.64
5.3.00.0130.05313.66
5.2.170.0030.06311.41
5.2.160.0070.05311.41
5.2.150.0030.06311.41
5.2.140.0030.06311.41
5.2.130.0070.04311.41
5.2.120.0000.07011.41
5.2.110.0070.06311.41
5.2.100.0070.06011.41
5.2.90.0030.05711.41
5.2.80.0100.05711.41
5.2.70.0100.05011.41
5.2.60.0100.05711.41
5.2.50.0070.05711.41
5.2.40.0070.03311.41
5.2.30.0030.06311.41
5.2.20.0070.06011.41
5.2.10.0030.06011.41
5.2.00.0100.05711.41
5.1.60.0100.05311.41
5.1.50.0070.05711.41
5.1.40.0030.05311.41
5.1.30.0100.05011.41
5.1.20.0030.05711.41
5.1.10.0070.03011.41
5.1.00.0030.05311.41
5.0.50.0030.04711.41
5.0.40.0030.04311.41
5.0.30.0000.06711.41
5.0.20.0000.04711.41
5.0.10.0000.04711.41
5.0.00.0030.06311.41
4.4.90.0100.03011.41
4.4.80.0030.03711.41
4.4.70.0000.03711.41
4.4.60.0100.01711.41
4.4.50.0000.03711.41
4.4.40.0070.05011.41
4.4.30.0030.03011.41
4.4.20.0070.02711.41
4.4.10.0000.03711.41
4.4.00.0000.05711.41
4.3.110.0030.03311.41
4.3.100.0030.03311.41
4.3.90.0000.03311.41
4.3.80.0000.05311.41
4.3.70.0030.03711.41
4.3.60.0030.03311.41
4.3.50.0000.02711.41
4.3.40.0000.04011.41
4.3.30.0070.02311.41
4.3.20.0030.03311.41
4.3.10.0000.03711.41
4.3.00.0000.03711.41

preferences:
40.94 ms | 401 KiB | 5 Q