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)
8.3.60.0090.01216.50
8.3.50.0060.01218.18
8.3.40.0100.00718.85
8.3.30.0080.00619.10
8.3.20.0070.00020.12
8.3.10.0080.00020.48
8.3.00.0060.00319.25
8.2.180.0110.00316.75
8.2.170.0090.00922.96
8.2.160.0070.00720.60
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0030.00621.16
8.2.110.0070.00322.10
8.2.100.0090.00018.50
8.1.270.0000.00821.89
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0030.00618.48
8.1.230.0060.00318.31
5.4.320.0040.04912.52
5.4.310.0040.04412.51
5.4.300.0070.03812.52
5.4.290.0060.04112.51
5.4.280.0080.03612.41
5.4.270.0050.03612.41
5.4.260.0080.04012.41
5.4.250.0050.04012.41
5.4.240.0100.04112.41
5.4.230.0080.03912.40
5.4.220.0050.03812.40
5.4.210.0060.04112.40
5.4.200.0040.03912.40
5.4.190.0080.04412.40
5.4.180.0130.03512.40
5.4.170.0080.04512.40
5.4.160.0080.03912.40
5.4.150.0070.03912.39
5.4.140.0050.04012.09
5.4.130.0080.03312.07
5.4.120.0080.03312.04
5.4.110.0060.03512.03
5.4.100.0050.03512.03
5.4.90.0080.04112.04
5.4.80.0090.03612.03
5.4.70.0080.04312.03
5.4.60.0030.04112.03
5.4.50.0080.03812.02
5.4.40.0060.03812.01
5.4.30.0090.03212.01
5.4.20.0090.03412.01
5.4.10.0090.03412.01
5.4.00.0070.03311.50
5.3.290.0090.04612.80
5.3.280.0090.03512.70
5.3.270.0100.03512.72
5.3.260.0050.03912.72
5.3.250.0060.03812.71
5.3.240.0060.03612.72
5.3.230.0080.03712.71
5.3.220.0030.04612.68
5.3.210.0100.04412.68
5.3.200.0070.04112.68
5.3.190.0120.03612.68
5.3.180.0060.03712.67
5.3.170.0120.04112.67
5.3.160.0080.03412.67
5.3.150.0070.03612.67
5.3.140.0070.03612.66
5.3.130.0060.04012.66
5.3.120.0050.03912.66
5.3.110.0110.04112.65
5.3.100.0080.04612.13
5.3.90.0080.04512.11
5.3.80.0090.04112.09
5.3.70.0110.03712.09
5.3.60.0060.04512.08
5.3.50.0080.04012.03
5.3.40.0080.03812.03
5.3.30.0060.03411.98
5.3.20.0080.03811.77
5.3.10.0060.03811.73
5.3.00.0090.03811.72
5.2.170.0040.0339.22
5.2.160.0070.0269.23
5.2.150.0090.0349.22
5.2.140.0100.0349.22
5.2.130.0070.0309.18
5.2.120.0080.0319.18
5.2.110.0050.0309.18
5.2.100.0070.0359.18
5.2.90.0060.0379.18
5.2.80.0070.0319.17
5.2.70.0050.0369.18
5.2.60.0060.0359.13
5.2.50.0030.0319.09
5.2.40.0050.0289.07
5.2.30.0070.0309.05
5.2.20.0040.0369.04
5.2.10.0060.0298.95
5.2.00.0060.0358.80
5.1.60.0070.0258.09
5.1.50.0090.0258.09
5.1.40.0060.0328.07
5.1.30.0050.0308.42
5.1.20.0070.0308.44
5.1.10.0030.0278.16
5.1.00.0040.0258.16
5.0.50.0020.0246.64
5.0.40.0040.0236.50
5.0.30.0030.0356.31
5.0.20.0030.0196.28
5.0.10.0030.0256.26
5.0.00.0040.0306.25
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0010.0174.75
4.4.60.0050.0134.76
4.4.50.0030.0154.77
4.4.40.0050.0234.71
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0060.0134.85
4.4.00.0010.0274.75
4.3.110.0020.0164.67
4.3.100.0050.0174.66
4.3.90.0030.0174.63
4.3.80.0040.0224.59
4.3.70.0020.0164.63
4.3.60.0050.0184.63
4.3.50.0030.0164.63
4.3.40.0020.0294.54
4.3.30.0010.0203.30
4.3.20.0000.0183.28
4.3.10.0050.0133.24
4.3.00.0030.01313.57

preferences:
41.36 ms | 400 KiB | 5 Q