3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class bar { } } namespace bar\foo { class bar { } } namespace { use foo\bar var_dump(new bar); } namespace bar { var_dump(new foo\bar); }

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)
5.4.310.0070.03612.51
5.4.300.0070.03512.51
5.4.290.0080.03712.51
5.4.280.0070.03412.41
5.4.270.0040.03812.41
5.4.260.0050.03912.41
5.4.250.0060.03812.41
5.4.240.0060.04012.41
5.4.230.0050.03812.39
5.4.220.0050.03712.39
5.4.210.0050.03512.39
5.4.200.0090.03812.39
5.4.190.0060.03612.39
5.4.180.0040.04012.39
5.4.170.0050.04012.40
5.4.160.0030.03912.39
5.4.150.0050.03812.39
5.4.140.0050.04112.08
5.4.130.0060.03612.07
5.4.120.0040.04212.03
5.4.110.0050.03712.03
5.4.100.0040.03912.03
5.4.90.0060.03812.02
5.4.80.0050.04312.02
5.4.70.0100.05612.02
5.4.60.0060.03412.02
5.4.50.0050.04112.02
5.4.40.0020.03812.01
5.4.30.0070.03512.01
5.4.20.0070.03412.00
5.4.10.0060.03412.00
5.4.00.0050.03811.50
5.3.280.0100.03412.71
5.3.270.0070.03912.73
5.3.260.0030.04212.72
5.3.250.0060.03912.72
5.3.240.0060.03712.72
5.3.230.0080.03712.71
5.3.220.0100.03512.68
5.3.210.0070.03812.68
5.3.200.0070.03612.68
5.3.190.0050.03912.68
5.3.180.0090.03912.68
5.3.170.0110.03712.66
5.3.160.0060.03612.67
5.3.150.0060.03712.68
5.3.140.0070.03712.66
5.3.130.0060.04012.66
5.3.120.0070.05012.66
5.3.110.0080.03812.65
5.3.100.0080.03512.11
5.3.90.0050.03712.10
5.3.80.0060.03612.09
5.3.70.0050.04012.09
5.3.60.0100.04612.08
5.3.50.0080.04312.02
5.3.40.0050.04012.02
5.3.30.0060.03811.98
5.3.20.0030.03711.76
5.3.10.0100.03711.73
5.3.00.0060.03511.71
5.2.170.0050.0319.18
5.2.160.0070.0279.18
5.2.150.0040.0359.18
5.2.140.0050.0329.18
5.2.130.0080.0269.14
5.2.120.0080.0309.14
5.2.110.0040.0329.14
5.2.100.0080.0279.14
5.2.90.0030.0339.14
5.2.80.0030.0349.14
5.2.70.0050.0319.14
5.2.60.0070.0369.09
5.2.50.0040.0339.06
5.2.40.0040.0329.04
5.2.30.0050.0309.01
5.2.20.0070.0329.01
5.2.10.0040.0338.93
5.2.00.0040.0328.78
5.1.60.0050.0278.06
5.1.50.0120.0258.06
5.1.40.0040.0278.04
5.1.30.0060.0268.40
5.1.20.0070.0258.41
5.1.10.0070.0268.14
5.1.00.0020.0288.14
5.0.50.0010.0246.63
5.0.40.0040.0206.47
5.0.30.0030.0336.29
5.0.20.0030.0216.26
5.0.10.0030.0296.24
5.0.00.0010.0336.23
4.4.90.0020.0174.78
4.4.80.0020.0164.76
4.4.70.0030.0154.75
4.4.60.0040.0154.75
4.4.50.0040.0154.77
4.4.40.0050.0314.71
4.4.30.0040.0204.76
4.4.20.0040.0144.84
4.4.10.0030.0154.85
4.4.00.0010.0274.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0040.0134.64
4.3.80.0040.0234.58
4.3.70.0010.0164.63
4.3.60.0050.0134.63
4.3.50.0040.0154.63
4.3.40.0030.0234.54
4.3.30.0030.0153.28
4.3.20.0010.0173.26
4.3.10.0020.0163.22
4.3.00.0030.0277.12

preferences:
139.8 ms | 1394 KiB | 7 Q