3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { const CONATINER_CLASS = 'Container'; public function getContainer() { var_dump(self::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)
8.3.60.0100.00716.49
8.3.50.0130.00418.20
8.3.40.0130.00318.75
8.3.30.0060.00919.23
8.3.20.0020.00520.25
8.3.10.0040.00420.71
8.3.00.0000.00919.38
8.2.180.0150.00016.88
8.2.170.0110.00422.96
8.2.160.0070.00720.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00721.01
8.2.110.0070.00322.16
8.2.100.0060.00318.74
8.1.280.0150.00325.92
8.1.270.0080.00022.09
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00318.46
8.1.230.0090.00018.52
5.4.320.0060.03612.52
5.4.310.0040.03912.51
5.4.300.0110.03112.52
5.4.290.0060.03712.51
5.4.280.0050.03412.41
5.4.270.0060.03412.41
5.4.260.0070.03512.41
5.4.250.0080.03512.41
5.4.240.0070.03412.41
5.4.230.0070.03612.40
5.4.220.0050.03712.40
5.4.210.0070.03612.40
5.4.200.0040.04612.40
5.4.190.0070.03612.40
5.4.180.0050.03712.39
5.4.170.0050.03612.40
5.4.160.0040.03812.40
5.4.150.0040.04312.39
5.4.140.0080.03512.09
5.4.130.0090.03312.07
5.4.120.0070.03412.03
5.4.110.0070.03612.03
5.4.100.0070.03912.03
5.4.90.0100.03312.03
5.4.80.0100.03712.03
5.4.70.0100.03112.02
5.4.60.0080.03312.03
5.4.50.0050.03712.03
5.4.40.0060.03512.02
5.4.30.0060.03612.01
5.4.20.0070.03512.01
5.4.10.0020.04012.01
5.4.00.0090.03411.51
5.3.290.0100.03712.80
5.3.280.0050.04112.71
5.3.270.0140.03312.72
5.3.260.0040.04112.72
5.3.250.0090.04012.72
5.3.240.0070.03712.72
5.3.230.0080.03612.71
5.3.220.0100.03312.68
5.3.210.0080.03712.68
5.3.200.0050.03812.68
5.3.190.0090.03512.68
5.3.180.0080.03512.68
5.3.170.0070.03712.66
5.3.160.0070.03612.67
5.3.150.0100.03512.68
5.3.140.0060.03812.66
5.3.130.0050.04112.66
5.3.120.0040.04212.65
5.3.110.0030.04212.65
5.3.100.0060.03812.13
5.3.90.0090.04112.11
5.3.80.0050.03912.09
5.3.70.0040.03912.09
5.3.60.0100.03312.08
5.3.50.0030.03912.03
5.3.40.0090.03412.03
5.3.30.0060.03411.98
5.3.20.0050.03811.77
5.3.10.0030.03911.73
5.3.00.0050.03711.71
5.2.170.0070.0309.22
5.2.160.0060.0309.22
5.2.150.0040.0319.22
5.2.140.0060.0299.22
5.2.130.0060.0289.18
5.2.120.0070.0279.18
5.2.110.0060.0309.18
5.2.100.0090.0289.18
5.2.90.0110.0239.18
5.2.80.0040.0329.18
5.2.70.0030.0339.17
5.2.60.0040.0329.13
5.2.50.0060.0309.09
5.2.40.0070.0359.07
5.2.30.0060.0359.05
5.2.20.0060.0299.04
5.2.10.0050.0298.94
5.2.00.0030.0358.80
5.1.60.0060.0228.09
5.1.50.0050.0288.09
5.1.40.0060.0238.07
5.1.30.0060.0308.41
5.1.20.0050.0278.44
5.1.10.0080.0268.16
5.1.00.0060.0268.16
5.0.50.0050.0196.64
5.0.40.0020.0236.50
5.0.30.0010.0346.31
5.0.20.0040.0196.28
5.0.10.0040.0206.25
5.0.00.0040.0306.25
4.4.90.0030.0144.78
4.4.80.0020.0164.76
4.4.70.0030.0214.75
4.4.60.0040.0144.76
4.4.50.0010.0164.77
4.4.40.0020.0274.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0010.0174.85
4.4.00.0030.0244.75
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0060.0164.64
4.3.80.0020.0264.59
4.3.70.0020.0154.63
4.3.60.0050.0154.63
4.3.50.0040.0184.63
4.3.40.0040.0244.54
4.3.30.0020.0163.30
4.3.20.0030.0153.28
4.3.10.0030.0153.24
4.3.00.0330.03313.57

preferences:
34.05 ms | 400 KiB | 5 Q