3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Singleton { protected static $instance; final public static function getInstance() { if (!isset(static::$instance)) { static::$instance = new static; } return static::$instance; } } class a1{ use Singleton; } class a2{ use Singleton; } $a = a1::getInstance(); $b = a2::getInstance(); var_dump($a,$b);

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)
8.3.60.0120.00318.55
8.3.50.0090.01222.13
8.3.40.0070.00718.83
8.3.30.0130.00719.09
8.3.20.0040.00420.35
8.3.10.0030.00523.53
8.3.00.0040.00717.25
8.2.180.0070.01018.54
8.2.170.0150.00022.96
8.2.160.0070.00720.57
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.11
8.2.110.0070.00322.25
8.2.100.0090.00317.63
8.2.90.0040.00419.05
8.2.80.0050.00517.97
8.2.70.0060.00317.63
8.2.60.0000.01117.68
8.2.50.0060.00318.07
8.2.40.0060.00319.82
8.2.30.0000.01117.99
8.2.20.0040.00417.57
8.2.10.0080.00018.12
8.2.00.0080.00017.75
8.1.280.0080.00825.92
8.1.270.0050.00323.83
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00423.92
8.1.230.0070.00719.14
8.1.220.0020.00517.79
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0050.00318.61
8.1.160.0040.00422.02
8.1.150.0030.00718.94
8.1.140.0050.00317.48
8.1.130.0000.00717.74
8.1.120.0040.00317.44
8.1.110.0080.00017.36
8.1.100.0040.00417.35
8.1.90.0000.00717.37
8.1.80.0000.00717.45
8.1.70.0000.00717.38
8.1.60.0030.00917.57
8.1.50.0000.00917.41
8.1.40.0000.00717.40
8.1.30.0000.00817.63
8.1.20.0000.00817.57
8.1.10.0030.00517.59
8.1.00.0050.00217.51
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0070.00018.45
8.0.270.0000.00717.26
8.0.260.0070.00017.25
8.0.250.0030.00317.00
8.0.240.0000.00716.83
8.0.230.0030.00317.01
8.0.220.0000.00716.79
8.0.210.0030.00316.83
8.0.200.0000.00616.85
8.0.190.0030.00516.83
8.0.180.0040.00416.91
8.0.170.0030.00616.88
8.0.160.0030.00516.84
8.0.150.0090.00016.85
8.0.140.0030.00516.75
8.0.130.0000.00813.32
8.0.120.0040.00416.89
8.0.110.0030.00516.79
8.0.100.0070.00016.76
8.0.90.0070.00016.96
8.0.80.0060.01616.82
8.0.70.0050.00316.84
8.0.60.0050.00216.75
8.0.50.0030.00316.94
8.0.30.0110.01117.27
8.0.20.0130.00717.40
8.0.10.0000.00717.01
8.0.00.0070.01016.86
7.4.330.0000.00515.00
7.4.320.0070.00016.65
7.4.300.0040.00416.50
7.4.290.0070.00016.58
7.4.280.0040.00416.55
7.4.270.0060.00016.40
7.4.260.0070.00016.56
7.4.250.0040.00416.52
7.4.240.0060.00116.53
7.4.230.0000.00716.63
7.4.220.0120.00616.69
7.4.210.0100.00316.49
7.4.200.0040.00416.63
7.4.160.0160.00016.34
7.4.150.0100.01417.40
7.4.140.0130.00817.86
7.4.130.0080.00816.58
7.4.120.0110.00716.52
7.4.110.0030.01516.59
7.4.100.0090.00916.40
7.4.90.0040.01516.64
7.4.80.0070.01119.39
7.4.70.0070.01316.55
7.4.60.0110.01116.54
7.4.50.0080.00016.73
7.4.40.0080.00816.55
7.4.30.0100.00716.48
7.4.00.0100.00715.03
7.3.330.0030.00313.24
7.3.320.0030.00313.15
7.3.310.0030.00416.21
7.3.300.0000.00716.33
7.3.290.0070.00716.27
7.3.280.0100.00716.31
7.3.270.0070.01117.40
7.3.260.0100.00716.64
7.3.250.0100.01016.53
7.3.240.0080.00916.51
7.3.230.0100.00616.39
7.3.210.0170.00616.36
7.3.200.0040.01519.39
7.3.190.0070.01016.37
7.3.180.0100.00616.56
7.3.170.0090.00616.28
7.3.160.0070.01016.49
7.2.330.0090.01316.44
7.2.320.0070.01016.41
7.2.310.0080.00916.71
7.2.300.0040.01216.29
7.2.290.0110.00516.64
7.2.60.0070.00716.82
7.2.00.0040.00819.39
7.1.200.0000.00815.72
7.1.100.0110.00017.76
7.1.70.0000.00717.11
7.1.60.0070.01719.32
7.1.50.0120.00616.65
7.1.00.0130.06722.37
7.0.200.0000.00916.60
7.0.140.0170.06022.08
7.0.60.0000.04320.04
7.0.50.0100.03717.97
7.0.40.0100.06020.04
7.0.30.0400.04320.16
7.0.20.0130.04320.23
7.0.10.0100.06720.24
7.0.00.0030.08320.20
5.6.280.0000.07321.08
5.6.210.0030.06020.45
5.6.200.0230.04718.18
5.6.190.0030.04720.50
5.6.180.0500.07020.49
5.6.170.0470.06720.55
5.6.160.0100.05720.47
5.6.150.0070.04018.12
5.6.140.0070.07018.20
5.6.130.0070.05718.20
5.6.120.0170.06020.91
5.6.110.0100.08020.99
5.6.100.0170.07721.13
5.6.90.0070.05721.10
5.6.80.0000.04720.40
5.5.350.0230.03320.47
5.5.340.0000.04717.96
5.5.330.0070.05320.21
5.5.320.0330.04020.25
5.5.310.0400.06720.35
5.5.300.0070.08017.99
5.5.290.0170.08017.96
5.5.280.0100.06720.87
5.5.270.0000.05020.73
5.5.260.0030.04020.87
5.5.250.0000.09720.60
5.5.240.0300.06020.26
5.4.450.0670.04319.57
5.4.440.0100.05019.64
5.4.430.0670.03719.59
5.4.420.0670.00019.43
5.4.410.0630.00019.32
5.4.400.0630.00019.10
5.4.390.0630.00019.16
5.4.380.0670.00019.07
5.4.370.0770.00019.16
5.4.360.0630.00019.03
5.4.350.0630.00019.11
5.4.340.0060.03712.02
5.4.320.0030.03712.50
5.4.310.0090.03512.50
5.4.300.0080.03612.50
5.4.290.0070.03612.50
5.4.280.0070.03412.39
5.4.270.0030.03812.39
5.4.260.0080.03812.39
5.4.250.0040.04012.39
5.4.240.0070.04212.39
5.4.230.0050.04412.39
5.4.220.0060.03412.39
5.4.210.0050.03712.39
5.4.200.0030.04312.39
5.4.190.0070.03612.38
5.4.180.0110.03512.38
5.4.170.0050.03812.39
5.4.160.0030.03812.39
5.4.150.0070.03512.39
5.4.140.0060.03612.07
5.4.130.0050.03612.06
5.4.120.0050.03612.02
5.4.110.0060.03512.01
5.4.100.0050.03612.01
5.4.90.0040.04012.01
5.4.80.0080.03612.02
5.4.70.0060.03612.01
5.4.60.0090.03612.01
5.4.50.0060.03412.00
5.4.40.0070.04011.99
5.4.30.0070.03412.00
5.4.20.0100.03412.00
5.4.10.0040.03612.00
5.4.00.0030.04511.48
5.3.290.0080.03812.80
5.3.280.0050.04012.71
5.3.270.0050.03912.73
5.3.260.0050.04012.72
5.3.250.0050.03812.72
5.3.240.0080.03812.72
5.3.230.0020.04212.71
5.3.220.0090.03412.68
5.3.210.0040.04912.68
5.3.200.0040.03812.68
5.3.190.0070.03612.68
5.3.180.0030.03812.68
5.3.170.0040.03712.67
5.3.160.0120.03812.67
5.3.150.0050.04112.67
5.3.140.0060.03612.66
5.3.130.0060.03812.66
5.3.120.0030.04112.66
5.3.110.0030.04112.65
5.3.100.0060.03612.12
5.3.90.0030.03912.08
5.3.80.0070.03512.07
5.3.70.0050.03812.07
5.3.60.0040.03712.07
5.3.50.0040.03812.00
5.3.40.0080.03312.00
5.3.30.0050.03411.95
5.3.20.0060.03411.73
5.3.10.0060.03411.70
5.3.00.0030.03811.68
5.2.170.0060.0289.18
5.2.160.0030.0299.18
5.2.150.0030.0329.18
5.2.140.0050.0309.18
5.2.130.0110.0279.14
5.2.120.0050.0279.14
5.2.110.0020.0319.14
5.2.100.0040.0289.14
5.2.90.0030.0329.14
5.2.80.0040.0309.14
5.2.70.0080.0279.14
5.2.60.0100.0319.09
5.2.50.0070.0309.06
5.2.40.0040.0289.03
5.2.30.0040.0319.02
5.2.20.0040.0289.00
5.2.10.0050.0278.92
5.2.00.0060.0268.79
5.1.60.0060.0308.07
5.1.50.0030.0258.06
5.1.40.0030.0258.04
5.1.30.0030.0268.39
5.1.20.0030.0268.42
5.1.10.0040.0248.14
5.1.00.0090.0318.14
5.0.50.0040.0196.63
5.0.40.0030.0196.48
5.0.30.0030.0316.29
5.0.20.0030.0206.26
5.0.10.0040.0186.24
5.0.00.0020.0316.23
4.4.90.0020.0164.78
4.4.80.0040.0154.76
4.4.70.0010.0164.75
4.4.60.0020.0164.75
4.4.50.0060.0134.77
4.4.40.0030.0294.71
4.4.30.0040.0134.76
4.4.20.0010.0184.84
4.4.10.0030.0234.85
4.4.00.0020.0264.76
4.3.110.0030.0194.67
4.3.100.0020.0154.66
4.3.90.0010.0154.63
4.3.80.0080.0184.58
4.3.70.0040.0124.63
4.3.60.0030.0184.62
4.3.50.0040.0194.63
4.3.40.0010.0264.54
4.3.30.0020.0223.29
4.3.20.0020.0203.26
4.3.10.0040.0143.22
4.3.00.0100.01710.38

preferences:
58.35 ms | 401 KiB | 5 Q