3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a; function __construct($a) { $this->a = $a; } public function getA() { return $this->a; } } class B extends A { function __construct() { parent::__construct('foo'); } } var_dump($b = new B); class C extends A { function __construct(A $a) { $a->a = 'bar'; } } new C($b); var_dump($b); var_dump($b->getA());

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)
8.3.60.0040.01116.63
8.3.50.0130.00716.39
8.3.40.0110.00418.79
8.3.30.0110.00418.83
8.3.20.0070.00020.33
8.3.10.0080.00023.61
8.3.00.0040.00423.66
8.2.180.0090.01218.29
8.2.170.0090.00919.14
8.2.160.0100.00322.96
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00221.11
8.2.110.0040.00419.37
8.2.100.0080.00317.84
8.2.90.0040.00418.94
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0040.00420.47
8.2.30.0060.00319.24
8.2.20.0030.00518.05
8.2.10.0040.00417.92
8.2.00.0040.00418.01
8.1.280.0110.01125.92
8.1.270.0000.00920.60
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00322.00
8.1.230.0070.00420.95
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0100.00017.35
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0030.00518.65
8.1.160.0000.00718.75
8.1.150.0040.00420.13
8.1.140.0070.00019.04
8.1.130.0060.00319.05
8.1.120.0060.00317.43
8.1.110.0000.00717.42
8.1.100.0040.00417.33
8.1.90.0070.00017.45
8.1.80.0000.00817.39
8.1.70.0030.00317.42
8.1.60.0000.01217.61
8.1.50.0040.00417.55
8.1.40.0040.00417.43
8.1.30.0060.00317.54
8.1.20.0050.00317.56
8.1.10.0030.00617.57
8.1.00.0030.00617.49
8.0.300.0060.00318.77
8.0.290.0080.00016.75
8.0.280.0050.00218.30
8.0.270.0000.00717.21
8.0.260.0030.00318.77
8.0.250.0030.00316.95
8.0.240.0100.00016.80
8.0.230.0050.00316.95
8.0.220.0000.00816.91
8.0.210.0000.00716.80
8.0.200.0030.00316.90
8.0.190.0000.00816.88
8.0.180.0040.00416.91
8.0.170.0000.00716.91
8.0.160.0030.00416.84
8.0.150.0000.00716.90
8.0.140.0000.00916.75
8.0.130.0030.00313.39
8.0.120.0080.00016.92
8.0.110.0030.00516.87
8.0.100.0040.00416.82
8.0.90.0040.00416.73
8.0.80.0030.01616.90
8.0.70.0040.00416.95
8.0.60.0040.00416.79
8.0.50.0000.00716.78
8.0.30.0100.00917.08
8.0.20.0120.00817.40
8.0.10.0070.00017.01
8.0.00.0120.00616.89
7.4.330.0000.00515.55
7.4.320.0060.00016.46
7.4.300.0030.00316.50
7.4.290.0040.00416.51
7.4.280.0070.00016.46
7.4.270.0000.00716.64
7.4.260.0040.00416.48
7.4.250.0000.00816.44
7.4.240.0000.00816.52
7.4.230.0000.00716.60
7.4.220.0200.01316.47
7.4.210.0100.01016.64
7.4.200.0070.00016.71
7.4.160.0110.00816.54
7.4.150.0040.01317.40
7.4.140.0130.00617.86
7.4.130.0110.00616.61
7.4.120.0120.00716.53
7.4.110.0130.00416.47
7.4.100.0060.01216.46
7.4.90.0090.00916.27
7.4.80.0080.00819.39
7.4.70.0150.00816.27
7.4.60.0060.01516.48
7.4.50.0000.00916.50
7.4.40.0070.01016.61
7.4.30.0100.00616.43
7.4.10.0130.00316.36
7.4.00.0040.01215.58
7.3.330.0050.00013.09
7.3.320.0000.00613.21
7.3.310.0070.00016.32
7.3.300.0000.00616.34
7.3.290.0080.00916.26
7.3.280.0080.00916.32
7.3.270.0090.01217.40
7.3.260.0130.00716.41
7.3.250.0120.00816.30
7.3.240.0110.00916.45
7.3.230.0180.00616.22
7.3.210.0070.01016.36
7.3.200.0060.00916.24
7.3.190.0120.00916.20
7.3.180.0040.01216.41
7.3.170.0100.00516.59
7.3.160.0180.00316.51
7.3.130.0070.01316.53
7.3.120.0070.00716.18
7.3.110.0070.00716.57
7.3.100.0100.00316.29
7.3.90.0140.00716.41
7.3.80.0000.01316.66
7.3.70.0100.00716.27
7.3.60.0100.00716.22
7.3.50.0070.01016.21
7.3.40.0030.00916.25
7.3.30.0060.00916.37
7.3.20.0030.00818.10
7.3.10.0080.00818.14
7.3.00.0030.01018.05
7.2.330.0060.01116.75
7.2.320.0070.01716.75
7.2.310.0160.00616.38
7.2.300.0130.00616.80
7.2.290.0060.01016.29
7.2.260.0190.00016.69
7.2.250.0100.01016.62
7.2.240.0030.01316.70
7.2.230.0090.01216.37
7.2.220.0040.01116.52
7.2.210.0070.01116.29
7.2.200.0100.00016.52
7.2.190.0100.00716.42
7.2.180.0100.01016.64
7.2.170.0000.01016.51
7.2.160.0060.01016.30
7.2.150.0000.01018.20
7.2.140.0040.01518.36
7.2.130.0060.00918.45
7.2.120.0060.00918.45
7.2.110.0100.00618.28
7.2.100.0070.01018.55
7.2.90.0120.00318.27
7.2.80.0120.00418.09
7.2.70.0040.01418.36
7.2.60.0070.00717.50
7.2.50.0060.00618.13
7.2.40.0060.00918.46
7.2.30.0030.01318.29
7.2.20.0040.00718.45
7.2.10.0090.00618.41
7.2.00.0060.01218.30
7.1.330.0060.00917.14
7.1.320.0000.01117.27
7.1.310.0060.01217.37
7.1.300.0000.01117.28
7.1.290.0070.01117.46
7.1.280.0000.01517.07
7.1.270.0030.00717.29
7.1.260.0070.00717.41
7.1.250.0060.01017.17
7.1.240.0000.01917.16
7.1.230.0040.01117.44
7.1.220.0030.00717.33
7.1.210.0060.01217.24
7.1.200.0070.00616.57
7.1.190.0070.00717.24
7.1.180.0080.00417.53
7.1.170.0070.01017.28
7.1.160.0100.00617.24
7.1.150.0000.01117.25
7.1.140.0000.01617.31
7.1.130.0030.01017.30
7.1.120.0030.01217.21
7.1.110.0560.00616.57
7.1.100.0570.00916.38
7.1.90.0650.00816.35
7.1.80.0560.01116.22
7.1.70.0480.01215.83
7.1.60.0640.01227.95
7.1.50.0650.00927.76
7.1.40.0590.01627.52
7.1.30.0810.01527.56
7.1.20.0550.01127.67
7.1.10.0540.00815.61
7.1.00.0530.00915.73
7.0.330.0040.01516.96
7.0.320.0070.01116.94
7.0.310.0000.01417.00
7.0.300.0030.01016.87
7.0.290.0110.00316.95
7.0.280.0060.00917.06
7.0.270.0040.00816.90
7.0.260.0050.00517.07
7.0.250.0570.01116.30
7.0.240.0640.01315.97
7.0.230.0650.00616.09
7.0.220.0460.00616.01
7.0.210.0530.01315.45
7.0.200.0890.00515.59
7.0.190.1000.01115.67
7.0.180.0750.01115.47
7.0.170.0510.00715.25
7.0.160.0780.00815.31
7.0.150.0540.01015.35
7.0.140.0490.00915.48
7.0.130.0550.01015.49
7.0.120.0600.00715.45
7.0.110.0690.01115.28
7.0.100.0530.00915.38
7.0.90.0590.00615.23
7.0.80.0700.00915.34
7.0.70.0620.00915.37
7.0.60.0710.01015.08
7.0.50.0630.01115.38
7.0.40.0600.00814.68
7.0.30.0470.00914.79
7.0.20.0510.00614.63
7.0.10.0510.00914.65
7.0.00.0520.01014.70
5.6.400.0040.00815.99
5.6.390.0000.01716.09
5.6.380.0070.01116.16
5.6.370.0070.00715.79
5.6.360.0040.01516.10
5.6.350.0030.01016.00
5.6.340.0070.00716.05
5.6.330.0070.01016.07
5.6.320.0070.00716.03
5.6.310.0070.00715.76
5.6.300.0070.01115.98
5.6.290.0100.00315.63
5.6.280.0040.01115.81
5.6.270.0040.01115.68
5.6.260.0030.00916.17
5.6.250.0030.01315.93
5.6.240.0030.01015.90
5.6.230.0000.00915.96
5.6.220.0060.00915.93
5.6.210.0000.00915.86
5.6.200.0070.00715.94
5.6.190.0030.01315.86
5.6.180.0070.00715.93
5.6.170.0060.00915.92
5.6.160.0060.00915.78
5.6.150.0130.00615.72
5.6.140.0090.00615.88
5.6.130.0070.01115.76
5.6.120.0060.01015.79
5.6.110.0030.00615.93
5.6.100.0070.00716.02
5.6.90.0040.00715.68
5.6.80.0030.00815.86
5.6.70.0040.00815.74
5.6.60.0040.00815.82
5.6.50.0040.00815.84
5.6.40.0040.00815.73
5.6.30.0100.00615.82
5.6.20.0070.00715.92
5.6.10.0060.00615.82
5.6.00.0000.01115.89

preferences:
35.59 ms | 400 KiB | 5 Q