3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { ` private function __construct() { } } class B extends A { public function __construct() { } }

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)
5.4.350.0040.03712.02
5.4.340.0090.03412.02
5.4.320.0070.04212.51
5.4.310.0060.04312.50
5.4.300.0060.03912.51
5.4.290.0040.05312.50
5.4.280.0060.03912.40
5.4.270.0050.04012.40
5.4.260.0070.04012.40
5.4.250.0060.04212.40
5.4.240.0110.03712.40
5.4.230.0090.04212.39
5.4.220.0070.03812.39
5.4.210.0100.03712.39
5.4.200.0050.05712.39
5.4.190.0080.05212.39
5.4.180.0130.05412.39
5.4.170.0080.05112.39
5.4.160.0080.05312.39
5.4.150.0110.03512.39
5.4.140.0070.04112.08
5.4.130.0080.04212.06
5.4.120.0070.03612.02
5.4.110.0030.03912.02
5.4.100.0090.03812.02
5.4.90.0140.03712.02
5.4.80.0050.08212.02
5.4.70.0100.05012.02
5.4.60.0080.03412.02
5.4.50.0060.03712.02
5.4.40.0060.04412.01
5.4.30.0050.03712.00
5.4.20.0040.04112.00
5.4.10.0080.03812.00
5.4.00.0050.03811.50
5.3.290.0080.04212.80
5.3.280.0080.05012.71
5.3.270.0070.04212.72
5.3.260.0100.03612.72
5.3.250.0050.03912.71
5.3.240.0050.04012.72
5.3.230.0070.04412.71
5.3.220.0080.06112.68
5.3.210.0070.05612.68
5.3.200.0050.04412.68
5.3.190.0080.05112.68
5.3.180.0070.03612.68
5.3.170.0040.03912.67
5.3.160.0080.03612.68
5.3.150.0090.03412.67
5.3.140.0050.04012.66
5.3.130.0050.04112.65
5.3.120.0070.03912.66
5.3.110.0040.04112.66
5.3.100.0070.04412.12
5.3.90.0080.04012.10
5.3.80.0050.03812.09
5.3.70.0040.03912.09
5.3.60.0060.03612.08
5.3.50.0090.03412.02
5.3.40.0070.03612.02
5.3.30.0060.03611.98
5.3.20.0050.04111.75
5.3.10.0070.03511.73
5.3.00.0070.03611.71
5.2.170.0060.0319.21
5.2.160.0110.0309.21
5.2.150.0040.0329.21
5.2.140.0030.0329.21
5.2.130.0020.0329.17
5.2.120.0050.0279.17
5.2.110.0060.0299.18
5.2.100.0060.0299.17
5.2.90.0060.0289.18
5.2.80.0070.0289.17
5.2.70.0050.0309.17
5.2.60.0040.0309.13
5.2.50.0030.0319.10
5.2.40.0040.0299.07
5.2.30.0030.0319.04
5.2.20.0060.0279.04
5.2.10.0060.0308.94
5.2.00.0040.0428.80
5.1.60.0040.0248.09
5.1.50.0020.0268.08
5.1.40.0060.0308.06
5.1.30.0030.0348.41
5.1.20.0040.0298.43
5.1.10.0060.0348.16
5.1.00.0060.0278.16
5.0.50.0030.0226.64
5.0.40.0030.0206.49
5.0.30.0040.0306.30
5.0.20.0050.0226.28
5.0.10.0030.0206.25
5.0.00.0030.0306.25
4.4.90.0050.0134.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0040.0144.76
4.4.50.0020.0164.77
4.4.40.0020.0344.70
4.4.30.0080.0154.76
4.4.20.0040.0144.84
4.4.10.0040.0154.85
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0030.0154.66
4.3.90.0050.0134.63
4.3.80.0010.0274.59
4.3.70.0070.0154.63
4.3.60.0040.0154.62
4.3.50.0050.0164.63
4.3.40.0030.0274.54
4.3.30.0010.0223.30
4.3.20.0060.0183.28
4.3.10.0020.0163.23
4.3.00.0000.01314.23

preferences:
144.98 ms | 1398 KiB | 7 Q