3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Singleton { protected static $instance; final public static function getInstance() { static $instance; if (!isset(static::$instance)) { static::$instance = new static; } return static::$instance; } } abstract class Abudabia { use Singleton; } class a1 extends Abudabia { public function set() { return 'allah ahbar'; } } class a2 extends Abudabia { public function get() { return 'algazira'; } } $a = a1::getInstance(); $b = a2::getInstance(); var_dump($a, $a->set(),$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)
8.3.60.0040.01118.56
8.3.50.0150.00722.16
8.3.40.0120.00618.79
8.3.30.0040.01119.04
8.3.20.0040.00420.39
8.3.10.0090.00023.48
8.3.00.0030.00617.23
8.2.180.0060.00916.63
8.2.170.0040.01122.96
8.2.160.0090.00620.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.09
8.2.110.0030.00619.30
8.2.100.0050.00517.63
8.2.90.0040.00419.17
8.2.80.0080.00017.97
8.2.70.0080.00017.75
8.2.60.0070.00417.93
8.2.50.0080.00018.07
8.2.40.0040.00419.82
8.2.30.0040.00418.14
8.2.20.0040.00417.63
8.2.10.0000.00818.00
8.2.00.0080.00017.56
8.1.280.0110.01125.92
8.1.270.0050.00323.91
8.1.260.0000.00926.35
8.1.250.0000.00728.09
8.1.240.0090.00022.42
8.1.230.0120.00017.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0050.00221.97
8.1.150.0030.00718.80
8.1.140.0070.00017.31
8.1.130.0030.00317.88
8.1.120.0030.00517.44
8.1.110.0050.00317.46
8.1.100.0000.00717.43
8.1.90.0000.00717.46
8.1.80.0040.00417.52
8.1.70.0040.00417.42
8.1.60.0060.00317.59
8.1.50.0040.00417.52
8.1.40.0040.00417.55
8.1.30.0040.00417.59
8.1.20.0040.00417.49
8.1.10.0060.00317.64
8.1.00.0050.00317.51
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0030.00318.45
8.0.270.0030.00317.25
8.0.260.0040.00417.37
8.0.250.0000.00816.93
8.0.240.0030.00316.92
8.0.230.0070.00016.97
8.0.220.0030.00316.78
8.0.210.0000.00716.86
8.0.200.0030.00316.84
8.0.190.0000.00716.95
8.0.180.0000.00716.83
8.0.170.0000.00916.98
8.0.160.0070.00016.89
8.0.150.0000.01016.89
8.0.140.0090.00016.78
8.0.130.0060.00013.32
8.0.120.0040.00416.86
8.0.110.0000.00716.91
8.0.100.0040.00416.89
8.0.90.0040.00416.72
8.0.80.0050.01116.81
8.0.70.0000.00816.81
8.0.60.0000.00816.72
8.0.50.0040.00416.79
8.0.30.0110.00917.04
8.0.20.0120.00717.40
8.0.10.0040.00416.87
8.0.00.0080.01016.89
7.4.330.0000.00515.01
7.4.320.0030.00616.65
7.4.300.0030.00316.61
7.4.290.0030.00316.57
7.4.280.0040.00416.49
7.4.270.0050.00316.53
7.4.260.0000.00716.51
7.4.250.0050.00216.45
7.4.240.0020.00516.61
7.4.230.0000.00716.51
7.4.220.0090.00916.55
7.4.210.0100.00316.50
7.4.200.0070.00016.48
7.4.160.0130.00316.47
7.4.150.0070.01017.40
7.4.140.0110.00917.86
7.4.130.0070.01116.58
7.4.120.0110.00716.53
7.4.110.0070.01016.72
7.4.100.0080.00816.53
7.4.90.0170.00016.59
7.4.80.0030.01319.39
7.4.70.0120.00916.59
7.4.60.0080.00816.54
7.4.50.0030.00316.49
7.4.40.0130.00316.45
7.4.30.0110.00616.52
7.4.00.0040.01415.02
7.3.330.0020.00213.14
7.3.320.0060.00013.18
7.3.310.0040.00416.21
7.3.300.0030.00316.30
7.3.290.0000.01516.30
7.3.280.0070.00916.30
7.3.270.0100.00717.40
7.3.260.0130.00916.26
7.3.250.0110.00716.38
7.3.240.0080.00816.30
7.3.230.0120.00416.39
7.3.210.0210.00616.35
7.3.200.0120.01219.39
7.3.190.0060.01016.53
7.3.180.0100.01316.56
7.3.170.0100.00716.31
7.3.160.0040.01216.39
7.2.330.0030.01416.46
7.2.320.0070.01016.77
7.2.310.0000.01716.41
7.2.300.0090.00916.76
7.2.290.0090.00916.65
7.2.00.0060.01319.36
7.1.100.0040.00817.80
7.1.70.0070.00717.04
7.1.60.0100.01419.32
7.1.50.0070.01016.78
7.1.00.0030.07722.35
7.0.200.0000.00816.88
7.0.140.0030.07322.21
7.0.60.0000.04720.04
7.0.50.0170.07017.88
7.0.40.0100.08320.11
7.0.30.0400.06320.24
7.0.20.0070.05020.25
7.0.10.0070.07320.23
7.0.00.0100.08720.10
5.6.280.0000.07721.00
5.6.210.0130.03320.68
5.6.200.0100.07318.25
5.6.190.0130.07720.51
5.6.180.0430.07320.33
5.6.170.0430.05720.44
5.6.160.0030.08720.47
5.6.150.0000.04318.19
5.6.140.0000.08718.18
5.6.130.0070.08318.16
5.6.120.0030.08020.85
5.6.110.0130.07721.03
5.6.100.0030.08020.89
5.6.90.0030.04321.06
5.6.80.0100.03720.51
5.5.350.0130.04720.42
5.5.340.0100.07718.08
5.5.330.0030.06320.27
5.5.320.0330.07320.34
5.5.310.0130.05320.30
5.5.300.0070.06717.97
5.5.290.0100.06717.91
5.5.280.0200.07020.88
5.5.270.0070.04720.86
5.5.260.0130.07720.66
5.5.250.0070.06020.64
5.5.240.0230.06720.28
5.4.450.0230.04719.64
5.4.440.0330.03719.41
5.4.430.0370.03719.30
5.4.420.0700.00019.68
5.4.410.0670.00019.44
5.4.400.0630.00019.13
5.4.390.0630.00019.06
5.4.380.0630.00019.21
5.4.370.0870.00018.98
5.4.360.0600.00018.98
5.4.350.0630.00019.13
5.4.340.0060.03412.02
5.4.320.0060.04912.51
5.4.310.0060.03912.50
5.4.300.0030.04012.50
5.4.290.0100.03912.50
5.4.280.0070.03412.40
5.4.270.0060.03912.40
5.4.260.0070.03712.40
5.4.250.0070.03812.40
5.4.240.0090.03312.40
5.4.230.0100.03312.39
5.4.220.0050.03712.39
5.4.210.0100.03412.39
5.4.200.0040.04012.39
5.4.190.0070.03512.39
5.4.180.0060.03612.39
5.4.170.0050.03712.40
5.4.160.0030.03912.39
5.4.150.0050.03812.39
5.4.140.0060.03712.07
5.4.130.0060.03612.06
5.4.120.0030.04212.02
5.4.110.0030.04012.02
5.4.100.0050.03712.02
5.4.90.0070.03612.01
5.4.80.0080.03512.02
5.4.70.0070.03312.01
5.4.60.0070.03512.02
5.4.50.0070.04212.02
5.4.40.0040.03612.00
5.4.30.0050.03812.00
5.4.20.0080.04112.00
5.4.10.0060.04012.00
5.4.00.0030.05211.48
5.3.290.0090.05112.80
5.3.280.0090.05012.71
5.3.270.0150.04812.72
5.3.260.0090.05212.72
5.3.250.0070.04912.72
5.3.240.0070.04012.72
5.3.230.0060.03912.71
5.3.220.0080.03812.68
5.3.210.0080.03612.68
5.3.200.0050.03712.68
5.3.190.0050.03912.68
5.3.180.0070.03512.67
5.3.170.0070.04212.67
5.3.160.0080.05012.67
5.3.150.0090.04812.68
5.3.140.0100.04912.66
5.3.130.0070.04012.65
5.3.120.0110.03412.66
5.3.110.0100.03612.66
5.3.100.0060.03912.12
5.3.90.0050.03912.08
5.3.80.0040.04112.07
5.3.70.0100.03312.08
5.3.60.0070.03912.06
5.3.50.0040.03812.00
5.3.40.0060.03712.00
5.3.30.0040.03711.95
5.3.20.0060.03511.73
5.3.10.0040.03711.70
5.3.00.0070.03511.68
5.2.170.0040.0319.18
5.2.160.0050.0289.18
5.2.150.0040.0319.18
5.2.140.0060.0299.18
5.2.130.0040.0299.14
5.2.120.0020.0319.14
5.2.110.0070.0279.15
5.2.100.0060.0279.14
5.2.90.0020.0359.14
5.2.80.0050.0319.14
5.2.70.0040.0319.14
5.2.60.0060.0329.09
5.2.50.0050.0369.06
5.2.40.0050.0309.04
5.2.30.0050.0299.01
5.2.20.0040.0339.00
5.2.10.0050.0298.92
5.2.00.0070.0288.79
5.1.60.0050.0278.07
5.1.50.0050.0258.06
5.1.40.0030.0288.04
5.1.30.0020.0338.40
5.1.20.0050.0278.42
5.1.10.0040.0258.14
5.1.00.0030.0278.14
5.0.50.0020.0226.62
5.0.40.0030.0206.47
5.0.30.0040.0306.29
5.0.20.0020.0216.27
5.0.10.0040.0216.24
5.0.00.0040.0326.24
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0040.0144.76
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0010.0164.76
4.4.20.0040.0154.84
4.4.10.0040.0184.85
4.4.00.0030.0264.76
4.3.110.0050.0144.67
4.3.100.0050.0154.66
4.3.90.0040.0214.63
4.3.80.0040.0274.58
4.3.70.0050.0124.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0040.0224.54
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0020.0163.22
4.3.00.0300.01010.38

preferences:
64.42 ms | 401 KiB | 5 Q