3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo { const TRUE = 0; const true = 0; var_dump(true, TRUE); var_dump(namespace\true, namespace\TRUE); var_dump(\true, \TRUE); }

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)
5.4.340.0070.03411.98
5.4.320.0080.03512.46
5.4.310.0050.03912.46
5.4.300.0080.03712.46
5.4.290.0070.04312.46
5.4.280.0070.03812.36
5.4.270.0050.04112.36
5.4.260.0090.03912.36
5.4.250.0090.03812.36
5.4.240.0080.03812.36
5.4.230.0070.04612.35
5.4.220.0060.03912.35
5.4.210.0070.03912.35
5.4.200.0070.03612.35
5.4.190.0080.03612.35
5.4.180.0080.03412.35
5.4.170.0090.03412.36
5.4.160.0040.03812.35
5.4.150.0080.03612.35
5.4.140.0090.03812.04
5.4.130.0080.03612.02
5.4.120.0070.03611.97
5.4.110.0070.03611.97
5.4.100.0070.04011.98
5.4.90.0120.04611.97
5.4.80.0100.05711.97
5.4.70.0050.04211.97
5.4.60.0090.03911.97
5.4.50.0070.03811.97
5.4.40.0100.04311.96
5.4.30.0090.04011.95
5.4.20.0040.04111.96
5.4.10.0080.03311.96
5.4.00.0070.03511.45
5.3.290.0080.04112.80
5.3.280.0070.03712.71
5.3.270.0070.04312.72
5.3.260.0090.04912.72
5.3.250.0070.03712.72
5.3.240.0070.04112.72
5.3.230.0080.04312.71
5.3.220.0120.03612.68
5.3.210.0110.03712.68
5.3.200.0070.03912.68
5.3.190.0050.03812.68
5.3.180.0070.03612.67
5.3.170.0070.03612.67
5.3.160.0100.03812.67
5.3.150.0100.04112.67
5.3.140.0050.04012.66
5.3.130.0070.04612.66
5.3.120.0090.03812.66
5.3.110.0070.03912.66
5.3.100.0090.03812.12
5.3.90.0050.03612.08
5.3.80.0050.03812.08
5.3.70.0060.03512.08
5.3.60.0070.04312.07
5.3.50.0080.03912.00
5.3.40.0070.03912.00
5.3.30.0070.03811.94
5.3.20.0090.03811.72
5.3.10.0050.03611.69
5.3.00.0060.03811.67
5.2.170.0060.0299.18
5.2.160.0060.0299.18
5.2.150.0100.0279.18
5.2.140.0050.0329.18
5.2.130.0040.0309.14
5.2.120.0080.0339.14
5.2.110.0060.0329.15
5.2.100.0080.0329.14
5.2.90.0090.0309.14
5.2.80.0040.0349.14
5.2.70.0090.0299.14
5.2.60.0050.0309.09
5.2.50.0060.0319.06
5.2.40.0040.0319.04
5.2.30.0050.0389.02
5.2.20.0040.0329.00
5.2.10.0070.0288.93
5.2.00.0050.0308.78
5.1.60.0050.0278.07
5.1.50.0050.0278.06
5.1.40.0070.0238.05
5.1.30.0070.0258.40
5.1.20.0040.0288.42
5.1.10.0040.0278.14
5.1.00.0040.0288.14
5.0.50.0040.0236.63
5.0.40.0050.0196.47
5.0.30.0040.0346.29
5.0.20.0040.0196.26
5.0.10.0030.0236.24
5.0.00.0050.0356.23
4.4.90.0030.0184.78
4.4.80.0040.0214.75
4.4.70.0040.0174.75
4.4.60.0030.0184.76
4.4.50.0030.0174.77
4.4.40.0050.0234.71
4.4.30.0020.0164.76
4.4.20.0030.0204.85
4.4.10.0040.0194.85
4.4.00.0050.0284.76
4.3.110.0030.0174.67
4.3.100.0020.0164.67
4.3.90.0030.0154.63
4.3.80.0040.0264.58
4.3.70.0020.0164.63
4.3.60.0030.0194.63
4.3.50.0040.0184.63
4.3.40.0020.0254.54
4.3.30.0040.0153.28
4.3.20.0020.0203.26
4.3.10.0020.0163.22
4.3.00.0230.01313.37

preferences:
140.52 ms | 1398 KiB | 7 Q