3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton{ private static $instance; private function __construct(){} public static function instance() { if (is_null(self::$instance)){ self::$instance = new static; } return self::$instance; } } $obj1 = Singleton::instance(); $obj2 = Singleton::instance(); var_dump(spl_object_hash($obj1), spl_object_hash($obj2)); $closure = function(){ return clone self::$instance; }; $cloner = $closure->bindTo($obj1, 'private'); $obj3 = $cloner(); var_dump(spl_object_hash($obj3));

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)
8.3.70.0110.00716.75
8.3.60.0090.00918.56
8.3.50.0230.00622.05
8.3.40.0070.00718.64
8.3.30.0100.01319.07
8.3.20.0040.00420.33
8.3.10.0000.00723.52
8.3.00.0090.00019.92
8.2.180.0140.00716.63
8.2.170.0040.01122.96
8.2.160.0070.00720.57
8.2.150.0140.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00321.00
8.2.110.0060.00320.35
8.2.100.0040.00817.97
8.2.90.0090.00019.26
8.2.80.0000.00817.97
8.2.70.0060.00317.61
8.2.60.0090.00517.76
8.2.50.0030.00618.07
8.2.40.0000.00818.12
8.2.30.0050.00318.14
8.2.20.0040.00417.77
8.2.10.0070.00018.01
8.2.00.0060.00317.80
8.1.280.0060.01225.92
8.1.270.0050.00323.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.19
8.1.230.0040.00817.51
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0030.00518.64
8.1.160.0040.00421.97
8.1.150.0000.00718.88
8.1.140.0070.00017.38
8.1.130.0070.00017.85
8.1.120.0040.00417.51
8.1.110.0000.00717.44
8.1.100.0030.00717.48
8.1.90.0000.00717.36
8.1.80.0080.00017.52
8.1.70.0080.00017.36
8.1.60.0060.00317.60
8.1.50.0040.00417.42
8.1.40.0030.00617.50
8.1.30.0030.00617.57
8.1.20.0040.00417.69
8.1.10.0050.00317.52
8.1.00.0000.00717.54
8.0.300.0060.00518.77
8.0.290.0040.00416.74
8.0.280.0000.00718.46
8.0.270.0080.00017.12
8.0.260.0030.00317.21
8.0.250.0000.00716.94
8.0.240.0060.00316.88
8.0.230.0000.00717.00
8.0.220.0040.00416.95
8.0.210.0030.00516.88
8.0.200.0030.00317.05
8.0.190.0000.00817.05
8.0.180.0040.00417.01
8.0.170.0000.00816.91
8.0.160.0000.00816.89
8.0.150.0000.00816.95
8.0.140.0050.00317.02
8.0.130.0000.00513.41
8.0.120.0040.00416.82
8.0.110.0090.00017.00
8.0.100.0080.00016.87
8.0.90.0040.00417.09
8.0.80.0040.01216.92
8.0.70.0050.00216.84
8.0.60.0040.00416.82
8.0.50.0040.00416.84
8.0.30.0120.01017.13
8.0.20.0130.00717.40
8.0.10.0040.00416.97
8.0.00.0130.00416.91
7.4.330.0000.00515.19
7.4.320.0040.00416.51
7.4.300.0030.00316.66
7.4.290.0080.00016.48
7.4.280.0040.00416.57
7.4.270.0040.00416.45
7.4.260.0000.00816.50
7.4.250.0040.00416.47
7.4.240.0000.00716.53
7.4.230.0030.00316.36
7.4.220.0070.01016.73
7.4.210.0030.01016.56
7.4.200.0000.00716.56
7.4.160.0090.01216.47
7.4.150.0130.00617.40
7.4.140.0110.01117.86
7.4.130.0090.00916.63
7.4.120.0090.01116.56
7.4.110.0070.01016.62
7.4.100.0030.01616.52
7.4.90.0060.01116.56
7.4.80.0120.00619.39
7.4.70.0100.01016.46
7.4.60.0170.00016.67
7.4.50.0030.00716.57
7.4.40.0080.00816.48
7.4.30.0030.01516.61
7.4.00.0070.01014.86
7.3.330.0030.00313.25
7.3.320.0000.00513.24
7.3.310.0030.00316.28
7.3.300.0080.00016.39
7.3.290.0130.00016.39
7.3.280.0050.01416.40
7.3.270.0180.00317.40
7.3.260.0110.00816.39
7.3.250.0070.01016.43
7.3.240.0100.00716.59
7.3.230.0120.00316.44
7.3.210.0120.00616.46
7.3.200.0100.00719.39
7.3.190.0170.00416.63
7.3.180.0070.01116.45
7.3.170.0030.01316.42
7.3.160.0030.01216.52
7.3.120.0110.00414.77
7.2.330.0060.01216.44
7.2.320.0070.01316.53
7.2.310.0100.00716.88
7.2.300.0030.01316.74
7.2.290.0100.00716.53
7.2.60.0060.00617.01
7.1.200.0000.01015.83
7.1.100.0030.01218.24
7.1.70.0060.00317.12
7.1.60.0140.01019.70
7.1.50.0090.01516.68
7.1.00.0130.06722.24
7.0.200.0090.00916.73
7.0.140.0030.07322.09
7.0.60.0100.07019.93
7.0.50.0300.06317.86
7.0.40.0070.06719.96
7.0.30.0500.05720.25
7.0.20.0200.04020.08
7.0.10.0100.04720.09
7.0.00.0100.08320.09
5.6.280.0000.07321.13
5.6.210.0070.08320.77
5.6.200.0030.06318.29
5.6.190.0070.08320.43
5.6.180.3170.04320.62
5.6.170.0270.06720.56
5.6.160.0070.05020.54
5.6.150.0030.04018.23
5.6.140.0130.07318.18
5.6.130.0030.08018.15
5.6.120.0100.06721.15
5.6.110.0130.07320.96
5.6.100.0100.08021.00
5.6.90.0070.04321.13
5.6.80.0030.07720.54
5.5.350.0070.03020.42
5.5.340.0070.08017.99
5.5.330.0000.04320.42
5.5.320.0330.07020.27
5.5.310.0270.08020.51
5.5.300.0070.08318.02
5.5.290.0130.07017.92
5.5.280.0100.08320.89
5.5.270.0030.04020.68
5.5.260.0000.08720.79
5.5.250.0170.05720.62
5.5.240.3500.03720.04
5.4.450.0330.04743.92
5.4.440.0200.05043.91
5.4.430.0670.03319.49
5.4.420.0730.04019.31
5.4.410.1070.05019.42
5.4.400.0270.04345.03
5.4.390.0230.03743.92
5.4.380.0030.06018.65
5.4.370.0130.05018.53
5.4.360.0030.06018.68
5.4.350.0130.05018.56
5.4.340.0130.05318.74
5.4.320.0070.03412.52
5.4.310.0120.04212.51
5.4.300.0060.03612.51
5.4.290.0080.03412.50
5.4.280.0050.03512.40
5.4.270.0090.03312.40
5.4.260.0070.03712.40
5.4.250.0030.04112.40
5.4.240.0040.03812.40
5.4.230.0080.04012.39
5.4.220.0070.03512.39
5.4.210.0050.03612.39
5.4.200.0040.03912.39
5.4.190.0030.04312.39
5.4.180.0050.03612.39
5.4.170.0070.03612.40
5.4.160.0080.03212.40
5.4.150.0100.03612.40
5.4.140.0070.03612.08
5.4.130.0070.04112.06
5.4.120.0050.03612.03
5.4.110.0070.04212.02
5.4.100.0070.03512.02
5.4.90.0050.04212.02
5.4.80.0070.04612.02
5.4.70.0090.03712.02
5.4.60.0070.03312.01
5.4.50.0030.03712.02
5.4.40.0070.04512.00
5.4.30.0090.03312.00
5.4.20.0070.04112.00
5.4.10.0020.03812.00
5.4.00.0030.03811.50
5.3.290.0110.04812.80
5.3.280.0050.03812.71
5.3.270.0050.03912.73
5.3.260.0110.03312.72
5.3.250.0100.03912.72
5.3.240.0060.03712.72
5.3.230.0070.03912.71
5.3.220.0050.04212.68
5.3.210.0050.04112.68
5.3.200.0060.04612.68
5.3.190.0120.04012.68
5.3.180.0090.04312.67
5.3.170.0070.03612.67
5.3.160.0080.03412.67
5.3.150.0050.03912.67
5.3.140.0060.04012.66
5.3.130.0100.04112.65
5.3.120.0060.03912.66
5.3.110.0070.03712.65
5.3.100.0030.03912.13
5.3.90.0070.03512.11
5.3.80.0050.04412.10
5.3.70.0060.04012.10
5.3.60.0050.03612.09
5.3.50.0080.03312.04
5.3.40.0070.03512.04
5.3.30.0060.03412.00
5.3.20.0050.03711.78
5.3.10.0030.03711.74
5.3.00.0060.03511.72
5.2.170.0080.0279.22
5.2.160.0070.0299.22
5.2.150.0040.0319.23
5.2.140.0080.0279.22
5.2.130.0050.0339.18
5.2.120.0050.0289.18
5.2.110.0050.0349.19
5.2.100.0050.0339.19
5.2.90.0050.0329.18
5.2.80.0070.0289.18
5.2.70.0030.0329.17
5.2.60.0040.0319.13
5.2.50.0050.0299.10
5.2.40.0060.0289.07
5.2.30.0020.0329.05
5.2.20.0030.0309.04
5.2.10.0050.0288.95
5.2.00.0040.0298.81
5.1.60.0010.0278.09
5.1.50.0020.0288.09
5.1.40.0050.0258.07
5.1.30.0050.0258.43
5.1.20.0070.0258.45
5.1.10.0040.0268.17
5.1.00.0080.0338.17
5.0.50.0040.0276.65
5.0.40.0050.0266.50
5.0.30.0050.0406.32
5.0.20.0070.0216.28
5.0.10.0030.0206.26
5.0.00.0010.0336.25
4.4.90.0020.0154.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0010.0174.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0010.0164.64
4.3.80.0030.0254.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0060.0123.28
4.3.10.0040.0133.23
4.3.00.0070.01343.92

preferences:
42.71 ms | 401 KiB | 5 Q