3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace CParent { class Helper{} class Test{ /** * @var Helper */ public $helper; public function __construct() { $this->helper = new Helper(); } } } namespace Child { class Helper{} class Test extends \CParent\Test {} } namespace { $qwe = new Child\Test(); var_dump($qwe); }

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)
8.3.60.0070.00716.63
8.3.50.0110.00822.00
8.3.40.0090.00618.76
8.3.30.0090.00618.96
8.3.20.0050.00320.34
8.3.10.0050.00323.66
8.3.00.0080.00019.13
8.2.180.0040.01118.66
8.2.170.0120.00322.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.00526.16
8.2.120.0040.00422.13
8.2.110.0070.00322.08
8.2.100.0090.00317.78
8.2.90.0030.00519.23
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0000.00817.91
8.2.50.0000.00818.10
8.2.40.0040.00420.55
8.2.30.0040.00419.66
8.2.20.0020.00517.70
8.2.10.0000.00717.93
8.2.00.0000.00717.51
8.1.280.0140.00025.92
8.1.270.0040.00423.67
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.01022.09
8.1.230.0060.00617.71
8.1.220.0040.00417.74
8.1.210.0070.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.35
8.1.180.0030.00518.10
8.1.170.0000.00818.51
8.1.160.0030.00322.04
8.1.150.0030.00618.49
8.1.140.0070.00017.38
8.1.130.0000.00717.88
8.1.120.0000.00717.39
8.1.110.0000.00717.27
8.1.100.0040.00417.30
8.1.90.0040.00417.43
8.1.80.0030.00617.30
8.1.70.0000.00617.29
8.1.60.0030.00517.48
8.1.50.0040.00417.41
8.1.40.0040.00417.52
8.1.30.0030.00517.63
8.1.20.0050.00217.58
8.1.10.0030.00617.49
8.1.00.0040.00417.30
8.0.300.0050.00318.77
8.0.290.0000.00716.63
8.0.280.0070.00018.34
8.0.270.0000.00717.04
8.0.260.0030.00317.20
8.0.250.0000.00716.82
8.0.240.0030.00316.91
8.0.230.0000.00716.81
8.0.220.0030.00316.83
8.0.210.0000.00716.69
8.0.200.0030.00316.87
8.0.190.0040.00416.77
8.0.180.0040.00416.78
8.0.170.0000.00816.86
8.0.160.0040.00416.76
8.0.150.0040.00416.67
8.0.140.0000.00716.71
8.0.130.0050.00013.21
8.0.120.0070.00016.77
8.0.110.0040.00416.85
8.0.100.0000.00716.64
8.0.90.0050.00216.81
8.0.80.0060.00916.84
8.0.70.0050.00316.68
8.0.60.0040.00416.77
8.0.50.0050.00216.93
8.0.30.0130.00916.89
8.0.20.0130.00617.40
8.0.10.0070.00016.84
8.0.00.0090.00816.56
7.4.330.0030.00315.00
7.4.320.0030.00316.46
7.4.300.0000.00716.41
7.4.290.0080.00016.48
7.4.280.0030.00616.61
7.4.270.0000.00816.51
7.4.260.0050.00216.57
7.4.250.0000.00716.46
7.4.240.0040.00316.58
7.4.230.0040.00416.40
7.4.220.0070.01116.66
7.4.210.0090.00716.56
7.4.200.0070.00016.49
7.4.190.0000.00716.70
7.4.160.0080.00816.26
7.4.150.0110.00717.40
7.4.140.0110.00617.86
7.4.130.0090.00816.49
7.4.120.0110.00916.42
7.4.110.0120.00616.52
7.4.100.0090.00916.29
7.4.90.0090.00916.46
7.4.80.0030.01319.39
7.4.70.0090.00616.46
7.4.60.0060.01116.34
7.4.50.0030.00516.58
7.4.40.0140.00616.36
7.4.30.0030.01316.55
7.4.00.0090.01014.98
7.3.330.0050.00213.13
7.3.320.0030.00313.12
7.3.310.0030.00316.16
7.3.300.0000.00716.34
7.3.290.0070.00916.32
7.3.280.0070.00916.29
7.3.270.0140.00317.40
7.3.260.0100.00716.25
7.3.250.0080.01016.29
7.3.240.0130.00316.58
7.3.230.0060.00916.39
7.3.210.0140.00316.27
7.3.200.0120.00919.39
7.3.190.0130.00716.62
7.3.180.0080.00816.42
7.3.170.0100.01016.27
7.3.160.0090.00616.30
7.3.120.0060.01214.64
7.3.110.0050.01314.80
7.3.100.0040.00914.91
7.3.90.0060.00914.61
7.3.80.0040.00714.78
7.3.70.0040.00614.76
7.3.60.0040.01014.70
7.3.50.0050.01114.80
7.3.40.0020.00814.75
7.3.30.0020.01214.71
7.3.20.0070.00516.62
7.3.10.0050.00916.65
7.3.00.0070.00516.78
7.2.330.0140.01016.66
7.2.320.0100.00716.63
7.2.310.0170.00616.73
7.2.300.0130.00316.59
7.2.290.0100.00716.39
7.2.250.0080.01115.00
7.2.240.0070.01215.07
7.2.230.0100.00514.89
7.2.220.0060.00915.06
7.2.210.0030.01215.03
7.2.200.0050.00614.93
7.2.190.0040.01215.04
7.2.180.0080.00514.92
7.2.170.0060.00614.93
7.2.00.0040.00719.31
7.1.330.0100.00315.72
7.1.320.0110.00515.60
7.1.310.0060.00815.82
7.1.300.0080.00615.67
7.1.290.0030.01015.73
7.1.280.0060.00515.87
7.1.270.0070.00715.67
7.1.260.0040.00615.78
7.1.200.0060.00615.64
7.1.100.0220.01117.67
7.1.70.0100.00317.29
7.1.60.0130.01319.46
7.1.50.0130.01016.80
7.1.00.0030.07322.35
7.0.200.0130.01014.65
7.0.140.0100.06722.11
7.0.60.0070.08719.85
7.0.50.0130.05317.91
7.0.40.0100.09319.98
7.0.30.0370.06020.06
7.0.20.0300.05720.18
7.0.10.0070.06320.21
7.0.00.0130.06320.18
5.6.280.0000.07721.13
5.6.210.0070.06020.48
5.6.200.0000.06718.14
5.6.190.0130.03320.61
5.6.180.0400.04320.39
5.6.170.0100.04720.61
5.6.160.0030.04020.51
5.6.150.0170.07318.18
5.6.140.0070.08318.23
5.6.130.0030.06018.12
5.6.120.0170.08021.02
5.6.110.0070.04720.98
5.6.100.0100.08020.98
5.6.90.0100.05721.13
5.6.80.0170.07320.38
5.5.350.4230.04320.38
5.5.340.0030.04718.05
5.5.330.0170.06720.25
5.5.320.0330.07320.34
5.5.310.0270.06020.38
5.5.300.0100.06317.94
5.5.290.0100.08017.95
5.5.280.0030.05020.97
5.5.270.0070.06020.65
5.5.260.0100.07320.64
5.5.250.0070.08020.62
5.5.240.0030.04020.16
5.4.450.0070.04719.57
5.4.440.2030.04319.32
5.4.430.2230.04019.29
5.4.420.2300.03319.32
5.4.410.2230.04719.41
5.4.400.2300.04318.95
5.4.390.1930.04319.31
5.4.380.2300.05019.22
5.4.370.2170.03718.97
5.4.360.2430.04019.15
5.4.350.1100.04019.08
5.4.340.0130.07018.88
5.4.320.0100.04319.09
5.4.310.2270.04019.00
5.4.300.2170.05019.01
5.4.290.1970.03719.24
5.4.280.2330.04019.04
5.4.270.2000.03718.84
5.4.260.2000.05019.16
5.4.250.2470.04319.04
5.4.240.2400.03718.82
5.4.230.2570.04318.94
5.4.220.0100.05018.85
5.4.210.0070.03319.23
5.4.200.0600.03719.22
5.4.190.2270.04019.16
5.4.180.2630.04318.86
5.4.170.2130.04018.83
5.4.160.2170.04019.04
5.4.150.2070.04018.97
5.4.140.2130.04016.37
5.4.130.2170.04016.39
5.4.120.2230.03316.32
5.4.110.2070.03716.48
5.4.100.0370.04716.52
5.4.90.0070.03316.63
5.4.80.0170.04016.20
5.4.70.2200.03316.39
5.4.60.2130.03316.52
5.4.50.2370.04016.43
5.4.40.2130.04016.25
5.4.30.2130.03316.40
5.4.20.2200.03716.34
5.4.10.2270.03716.55
5.4.00.2270.02715.96
5.3.290.2170.03714.65
5.3.280.1100.03714.61
5.3.270.0000.05014.75
5.3.260.0000.05014.61
5.3.250.1730.04014.62
5.3.240.2100.03714.57
5.3.230.2200.03714.61
5.3.220.2200.03314.79
5.3.210.2230.04714.47
5.3.200.2300.03314.54
5.3.190.1030.04314.71
5.3.180.0000.04014.53
5.3.170.0070.03314.46
5.3.160.1830.03714.53
5.3.150.1970.04014.64
5.3.140.2100.04314.63
5.3.130.2000.03714.52
5.3.120.2230.04014.46
5.3.110.2000.03714.53
5.3.100.2300.04014.05
5.3.90.2300.03014.04
5.3.80.2230.03714.04
5.3.70.2130.04314.07
5.3.60.2330.03714.12
5.3.50.2270.04014.03
5.3.40.2030.03714.00
5.3.30.2070.03713.92
5.3.20.2170.04013.67
5.3.10.2070.03013.55
5.3.00.2230.03713.66
5.2.170.1930.03311.20
5.2.160.1970.03011.20
5.2.150.1670.03711.00
5.2.140.2030.03011.19
5.2.130.1530.03010.95
5.2.120.2000.03311.04
5.2.110.1900.02710.96
5.2.100.0730.03011.04
5.2.90.0030.04711.26
5.2.80.0030.05711.03
5.2.70.0530.03310.98
5.2.60.1930.03010.93
5.2.50.1730.02710.85
5.2.40.1430.02010.93
5.2.30.1400.02711.13
5.2.20.1600.02010.97
5.2.10.1730.02710.94
5.2.00.1700.03310.87
5.1.60.1600.0309.89
5.1.50.1330.0279.86
5.1.40.1400.0209.96
5.1.30.1370.02710.30
5.1.20.1430.02010.43
5.1.10.0830.0409.96
5.1.00.0030.03710.15
5.0.50.0030.0278.63
5.0.40.0000.0208.53
5.0.30.0000.0338.15
5.0.20.0000.0208.10
5.0.10.0070.0208.17
5.0.00.0500.0338.28
4.4.90.0700.0137.87
4.4.80.0930.0107.87
4.4.70.0830.0207.87
4.4.60.0900.0137.87
4.4.50.0900.0137.87
4.4.40.0730.0207.87
4.4.30.0670.0177.87
4.4.20.0800.0177.87
4.4.10.0930.0177.87
4.4.00.0830.0237.87
4.3.110.0930.0177.87
4.3.100.0930.0137.87
4.3.90.0700.0177.87
4.3.80.0870.0237.87
4.3.70.0930.0207.87
4.3.60.0730.0137.87
4.3.50.0670.0177.87
4.3.40.0830.0207.87
4.3.30.0030.0277.87
4.3.20.0000.0177.87
4.3.10.0000.0177.87
4.3.00.0000.0137.87

preferences:
64.57 ms | 401 KiB | 5 Q