3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { const CONATINER_CLASS = 'Container'; public function getContainer() { var_dump($this::CONATINER_CLASS::$$PREFIX); } } class Container { const PREFIX = 'lolPrefix'; } $obj = new Test(); $obj->getContainer();

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)
8.3.60.0120.00916.75
8.3.50.0080.01022.04
8.3.40.0070.00718.79
8.3.30.0070.00719.22
8.3.20.0050.00220.24
8.3.10.0000.00820.61
8.3.00.0040.00419.38
8.2.180.0000.01516.75
8.2.170.0110.00422.96
8.2.160.0040.01120.35
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0040.00420.91
8.2.110.0070.00322.29
8.2.100.0060.00318.73
8.1.280.0180.00025.92
8.1.270.0080.00022.05
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00618.31
8.1.230.0060.00318.48
5.4.320.0080.04212.52
5.4.310.0070.03912.51
5.4.300.0080.03812.52
5.4.290.0070.04212.51
5.4.280.0080.03812.41
5.4.270.0080.03812.41
5.4.260.0050.04312.41
5.4.250.0090.04512.41
5.4.240.0080.03512.41
5.4.230.0070.03912.40
5.4.220.0090.03912.40
5.4.210.0050.03612.40
5.4.200.0080.04312.40
5.4.190.0040.03912.40
5.4.180.0070.03812.39
5.4.170.0050.04612.40
5.4.160.0080.03912.40
5.4.150.0100.04112.40
5.4.140.0080.04512.09
5.4.130.0060.03912.07
5.4.120.0060.03612.03
5.4.110.0050.03712.03
5.4.100.0070.03812.03
5.4.90.0060.03812.03
5.4.80.0080.03812.03
5.4.70.0070.03912.03
5.4.60.0090.04212.03
5.4.50.0060.04212.03
5.4.40.0100.04212.02
5.4.30.0100.03612.01
5.4.20.0080.03412.01
5.4.10.0090.03312.01
5.4.00.0070.03611.50
5.3.290.0070.04112.80
5.3.280.0050.04112.71
5.3.270.0080.03912.72
5.3.260.0080.04012.72
5.3.250.0060.04312.72
5.3.240.0080.03812.72
5.3.230.0090.03812.71
5.3.220.0090.03612.68
5.3.210.0110.04512.68
5.3.200.0070.03812.68
5.3.190.0090.03812.68
5.3.180.0090.04012.67
5.3.170.0100.03812.67
5.3.160.0080.04112.67
5.3.150.0080.03812.67
5.3.140.0060.04112.66
5.3.130.0070.04112.66
5.3.120.0080.04412.66
5.3.110.0080.04312.65
5.3.100.0060.04212.13
5.3.90.0050.04212.10
5.3.80.0080.03912.09
5.3.70.0040.03812.09
5.3.60.0060.03812.08
5.3.50.0080.04112.03
5.3.40.0060.03912.03
5.3.30.0070.03611.98
5.3.20.0040.03811.76
5.3.10.0070.03611.73
5.3.00.0070.04011.72
5.2.170.0070.0329.22
5.2.160.0070.0329.22
5.2.150.0040.0389.22
5.2.140.0040.0389.22
5.2.130.0060.0349.18
5.2.120.0050.0299.18
5.2.110.0040.0299.18
5.2.100.0040.0299.17
5.2.90.0080.0299.18
5.2.80.0090.0329.17
5.2.70.0050.0319.17
5.2.60.0050.0309.13
5.2.50.0070.0279.10
5.2.40.0040.0329.07
5.2.30.0020.0349.05
5.2.20.0040.0309.04
5.2.10.0050.0318.95
5.2.00.0050.0298.80
5.1.60.0040.0258.09
5.1.50.0040.0268.09
5.1.40.0040.0288.07
5.1.30.0050.0268.42
5.1.20.0040.0298.44
5.1.10.0060.0278.17
5.1.00.0050.0278.17
5.0.50.0050.0226.64
5.0.40.0050.0196.50
5.0.30.0040.0366.32
5.0.20.0020.0216.28
5.0.10.0040.0216.25
5.0.00.0050.0336.25
4.4.90.0020.0204.78
4.4.80.0040.0164.76
4.4.70.0040.0184.76
4.4.60.0020.0194.76
4.4.50.0020.0194.77
4.4.40.0020.0304.71
4.4.30.0020.0184.76
4.4.20.0040.0164.85
4.4.10.0020.0184.85
4.4.00.0050.0254.76
4.3.110.0030.0164.67
4.3.100.0030.0164.67
4.3.90.0030.0144.63
4.3.80.0040.0264.58
4.3.70.0020.0164.63
4.3.60.0020.0214.63
4.3.50.0040.0154.63
4.3.40.0020.0234.54
4.3.30.0020.0193.30
4.3.20.0020.0153.28
4.3.10.0020.0143.24
4.3.00.0100.0307.03

preferences:
36.97 ms | 401 KiB | 5 Q