3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static $_instance; public static function getInstance() { if ( ! isset(self::$_instance)) { self::$_instance = new self(); } return self::$_instance; } public function doBar() { echo 'Baz'; } } $foo = new Foo(); $foo->doBar();

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)
8.3.40.0070.00718.84
8.3.30.0140.00019.05
8.3.20.0030.00520.16
8.3.10.0080.00020.41
8.3.00.0060.00319.26
8.2.170.0070.00722.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.05
8.2.110.0050.00522.25
8.2.100.0040.00717.91
8.2.90.0040.00418.95
8.2.80.0000.00817.97
8.2.70.0030.00517.48
8.2.60.0040.00417.90
8.2.50.0000.00818.07
8.2.40.0070.00018.33
8.2.30.0000.00719.32
8.2.20.0000.00717.74
8.2.10.0000.00717.91
8.2.00.0030.00717.48
8.1.270.0080.00022.05
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00023.98
8.1.230.0070.00419.21
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00617.22
8.1.190.0000.00917.13
8.1.180.0080.00018.10
8.1.170.0040.00418.49
8.1.160.0000.00721.95
8.1.150.0020.00518.81
8.1.140.0050.00217.38
8.1.130.0030.00317.79
8.1.120.0070.00017.37
8.1.110.0000.00717.41
8.1.100.0050.00317.30
8.1.90.0070.00017.29
8.1.80.0000.00717.32
8.1.70.0040.00417.34
8.1.60.0080.00017.57
8.1.50.0090.00017.52
8.1.40.0000.00817.47
8.1.30.0000.00817.52
8.1.20.0060.00317.64
8.1.10.0000.00817.53
8.1.00.0040.00417.52
8.0.300.0030.00318.77
8.0.290.0040.00416.63
8.0.280.0070.00018.38
8.0.270.0000.00717.20
8.0.260.0030.00317.14
8.0.250.0030.00316.79
8.0.240.0000.00616.86
8.0.230.0000.00816.92
8.0.220.0040.00416.82
8.0.210.0030.00316.84
8.0.200.0030.00316.79
8.0.190.0030.00316.87
8.0.180.0040.00416.71
8.0.170.0050.00216.77
8.0.160.0030.00516.89
8.0.150.0000.00716.77
8.0.140.0070.00016.78
8.0.130.0050.00013.29
8.0.120.0070.00016.73
8.0.110.0050.00316.70
8.0.100.0040.00416.69
8.0.90.0040.00416.88
8.0.80.0070.01416.79
8.0.70.0000.00716.79
8.0.60.0000.00816.66
8.0.50.0040.00416.64
8.0.30.0060.01317.13
8.0.20.0080.01117.40
8.0.10.0040.00417.00
8.0.00.0080.01016.55
7.4.330.0020.00215.00
7.4.320.0030.00316.59
7.4.300.0030.00316.61
7.4.290.0000.00716.61
7.4.280.0060.00316.41
7.4.270.0030.00316.41
7.4.260.0070.00016.51
7.4.250.0050.00316.63
7.4.240.0030.00316.53
7.4.230.0050.00216.64
7.4.220.0060.01116.42
7.4.210.0110.00316.68
7.4.200.0070.00016.40
7.4.160.0130.00316.40
7.4.150.0160.00317.40
7.4.140.0090.01117.86
7.4.130.0110.00716.47
7.4.120.0060.01316.36
7.4.110.0100.00716.34
7.4.100.0150.00016.45
7.4.90.0160.00316.56
7.4.80.0100.00716.59
7.4.70.0070.01316.42
7.4.60.0130.00316.57
7.4.50.0000.00916.44
7.4.40.0120.00916.61
7.4.30.0130.00316.57
7.4.00.0070.01114.91
7.3.330.0060.00013.11
7.3.320.0000.00613.32
7.3.310.0030.00316.09
7.3.300.0000.00616.25
7.3.290.0060.01216.26
7.3.280.0080.01116.22
7.3.270.0090.01017.40
7.3.260.0060.01116.22
7.3.250.0100.00816.28
7.3.240.0170.00016.19
7.3.230.0100.01016.47
7.3.210.0060.01016.21
7.3.200.0140.00319.39
7.3.190.0080.01116.27
7.3.180.0060.01316.21
7.3.170.0170.01416.27
7.3.160.0060.00916.29
7.3.10.0060.00616.34
7.3.00.0080.00816.37
7.2.330.0110.00716.34
7.2.320.0070.01416.55
7.2.310.0170.00716.66
7.2.300.0100.00616.45
7.2.290.0100.00716.73
7.2.130.0090.00616.72
7.2.120.0050.00516.63
7.2.110.0050.00516.93
7.2.100.0030.00616.95
7.2.90.0060.00316.97
7.2.80.0060.00616.89
7.2.70.0060.00616.77
7.2.60.0040.00716.72
7.2.50.0030.00916.59
7.2.40.0040.00716.57
7.2.30.0030.00916.86
7.2.20.0040.00716.84
7.2.10.0030.00816.90
7.2.00.0040.01216.64
7.1.250.0030.00715.83
7.1.70.0030.00716.70
7.1.60.0030.02019.32
7.1.50.0090.01516.88
7.1.00.0070.07322.45
7.0.200.0000.01016.60
7.0.140.0030.07322.04
7.0.60.0100.08319.82
7.0.50.0070.07717.91
7.0.40.0100.08020.26
7.0.30.0070.05020.23
7.0.20.0130.05020.03
7.0.10.0030.09320.19
7.0.00.0030.04320.25
5.6.280.0030.07321.03
5.6.210.0030.07320.51
5.6.200.0070.03718.23
5.6.190.0070.07020.54
5.6.180.3430.04320.52
5.6.170.0100.04720.50
5.6.160.0070.06020.54
5.6.150.0000.05018.25
5.6.140.0070.05718.16
5.6.130.0070.06018.25
5.6.120.0070.05321.13
5.6.110.0200.04320.89
5.6.100.0030.08321.02
5.6.90.0070.08321.11
5.6.80.0030.04020.54
5.6.70.0400.05020.53
5.5.350.0400.05320.30
5.5.340.0100.06017.95
5.5.330.0070.08720.47
5.5.320.0400.06720.34
5.5.310.0230.08320.32
5.5.300.0030.06018.03
5.5.290.0030.04018.06
5.5.280.0070.08320.66
5.5.270.0070.07020.80
5.5.260.0030.04320.87
5.5.250.0170.07320.65
5.5.240.0330.06320.26
5.4.450.0670.05719.17
5.4.440.1130.06319.48
5.4.430.0830.06019.69
5.4.420.1470.06319.47
5.4.410.0870.06019.48
5.4.400.0200.04019.26
5.4.390.0900.04719.38
5.4.380.0270.06718.70
5.4.370.0370.04718.80
5.4.360.0400.04318.63
5.4.350.0300.06318.80
5.4.340.0270.06318.74
5.4.320.0090.03812.50
5.4.310.0090.03512.50
5.4.300.0050.03612.50
5.4.290.0100.03312.50
5.4.280.0070.03412.40
5.4.270.0070.03812.40
5.4.260.0110.03312.40
5.4.250.0040.04312.40
5.4.240.0070.03512.40
5.4.230.0050.03812.39
5.4.220.0110.04312.39
5.4.210.0070.04012.39
5.4.200.0090.03312.39
5.4.190.0080.03312.39
5.4.180.0060.03512.38
5.4.170.0050.03512.39
5.4.160.0050.03512.39
5.4.150.0020.03812.39
5.4.140.0090.03212.08
5.4.130.0070.03212.06
5.4.120.0030.03612.02
5.4.110.0070.03312.02
5.4.100.0080.03512.02
5.4.90.0050.03712.01
5.4.80.0070.03512.02
5.4.70.0070.03812.01
5.4.60.0050.03512.02
5.4.50.0070.04212.01
5.4.40.0070.03312.00
5.4.30.0010.03912.00
5.4.20.0080.03512.00
5.4.10.0050.03912.00
5.4.00.0050.03511.48
5.3.290.0050.03812.80
5.3.280.0040.03812.71
5.3.270.0060.03812.72
5.3.260.0060.03812.72
5.3.250.0070.03512.71
5.3.240.0050.03712.72
5.3.230.0060.03612.71
5.3.220.0050.04312.68
5.3.210.0050.03812.68
5.3.200.0040.03812.68
5.3.190.0090.03912.68
5.3.180.0060.04412.67
5.3.170.0090.03312.67
5.3.160.0060.03512.67
5.3.150.0050.03712.67
5.3.140.0080.03412.66
5.3.130.0100.03612.66
5.3.120.0060.03712.66
5.3.110.0060.03712.66
5.3.100.0050.04312.12
5.3.90.0050.03612.10
5.3.80.0070.03612.09
5.3.70.0070.03412.09
5.3.60.0120.03112.08
5.3.50.0090.03412.02
5.3.40.0080.04012.03
5.3.30.0060.04311.98
5.3.20.0080.03411.77
5.3.10.0060.03911.73
5.3.00.0080.03311.72
5.2.170.0060.0299.23
5.2.160.0040.0309.23
5.2.150.0070.0279.22
5.2.140.0080.0279.22
5.2.130.0030.0299.18
5.2.120.0050.0279.18
5.2.110.0050.0299.19
5.2.100.0050.0289.18
5.2.90.0030.0309.18
5.2.80.0070.0279.18
5.2.70.0040.0309.18
5.2.60.0080.0269.13
5.2.50.0060.0339.10
5.2.40.0120.0279.08
5.2.30.0070.0329.05
5.2.20.0040.0289.04
5.2.10.0090.0238.95
5.2.00.0060.0268.81
5.1.60.0040.0248.09
5.1.50.0060.0228.08
5.1.40.0030.0268.07
5.1.30.0030.0278.41
5.1.20.0020.0288.44
5.1.10.0020.0288.16
5.1.00.0030.0268.16
5.0.50.0040.0196.64
5.0.40.0030.0196.50
5.0.30.0010.0336.31
5.0.20.0060.0166.28
5.0.10.0050.0186.26
5.0.00.0040.0306.25
4.4.90.0020.0164.78
4.4.80.0020.0164.75
4.4.70.0020.0164.76
4.4.60.0020.0194.75
4.4.50.0020.0164.77
4.4.40.0010.0294.70
4.4.30.0050.0134.76
4.4.20.0040.0144.85
4.4.10.0030.0154.85
4.4.00.0010.0274.76
4.3.110.0030.0164.67
4.3.100.0050.0134.66
4.3.90.0040.0144.64
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0060.0124.63
4.3.40.0050.0294.54
4.3.30.0030.0213.30
4.3.20.0010.0163.28
4.3.10.0010.0163.24
4.3.00.0130.0206.90

preferences:
40.53 ms | 400 KiB | 5 Q