3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null foreach($a => $b){ echo 'a';}

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)
5.4.320.0060.03512.50
5.4.310.0060.03812.49
5.4.300.0060.03512.50
5.4.290.0060.03712.49
5.4.280.0050.03512.39
5.4.270.0050.03612.39
5.4.260.0050.03712.39
5.4.250.0010.04212.39
5.4.240.0050.03512.39
5.4.230.0050.03612.38
5.4.220.0050.03512.38
5.4.210.0040.03512.38
5.4.200.0040.03812.38
5.4.190.0020.03812.38
5.4.180.0040.03612.38
5.4.170.0050.03612.38
5.4.160.0030.03712.38
5.4.150.0080.03212.38
5.4.140.0030.03912.07
5.4.130.0050.03512.05
5.4.120.0040.03512.01
5.4.110.0060.03312.01
5.4.100.0070.03412.01
5.4.90.0060.03712.01
5.4.80.0110.03712.01
5.4.70.0060.03412.01
5.4.60.0050.03412.01
5.4.50.0080.03412.01
5.4.40.0050.03612.00
5.4.30.0070.03411.99
5.4.20.0080.03211.98
5.4.10.0020.03811.99
5.4.00.0030.04011.48
5.3.290.0080.03812.80
5.3.280.0050.03912.71
5.3.270.0070.03812.72
5.3.260.0050.04012.72
5.3.250.0030.03912.72
5.3.240.0090.03912.72
5.3.230.0040.03912.71
5.3.220.0050.04612.68
5.3.210.0050.04012.68
5.3.200.0070.03512.68
5.3.190.0090.03412.68
5.3.180.0050.03612.67
5.3.170.0060.04012.67
5.3.160.0090.03412.67
5.3.150.0050.03812.67
5.3.140.0070.03512.66
5.3.130.0100.03412.66
5.3.120.0040.03912.66
5.3.110.0040.04012.66
5.3.100.0100.03812.11
5.3.90.0050.03712.08
5.3.80.0060.03612.07
5.3.70.0040.04012.08
5.3.60.0030.03812.06
5.3.50.0060.03512.00
5.3.40.0060.04112.00
5.3.30.0070.04911.95
5.3.20.0030.03911.73
5.3.10.0060.03411.70
5.3.00.0040.03811.68
5.2.170.0070.0289.18
5.2.160.0070.0279.18
5.2.150.0060.0299.18
5.2.140.0050.0309.18
5.2.130.0030.0309.14
5.2.120.0060.0269.14
5.2.110.0040.0299.15
5.2.100.0050.0329.14
5.2.90.0100.0329.14
5.2.80.0060.0289.14
5.2.70.0040.0309.14
5.2.60.0030.0319.09
5.2.50.0050.0289.06
5.2.40.0070.0259.04
5.2.30.0040.0299.01
5.2.20.0050.0289.00
5.2.10.0070.0258.92
5.2.00.0050.0278.78
5.1.60.0020.0258.07
5.1.50.0050.0238.06
5.1.40.0020.0268.05
5.1.30.0040.0268.40
5.1.20.0030.0288.41
5.1.10.0040.0268.14
5.1.00.0030.0278.14
5.0.50.0070.0166.62
5.0.40.0040.0196.48
5.0.30.0040.0306.29
5.0.20.0060.0166.27
5.0.10.0040.0196.24
5.0.00.0020.0316.23
4.4.90.0040.0144.78
4.4.80.0040.0144.75
4.4.70.0040.0144.75
4.4.60.0010.0174.76
4.4.50.0020.0164.77
4.4.40.0040.0244.70
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0030.0154.66
4.3.100.0030.0144.66
4.3.90.0040.0134.64
4.3.80.0020.0254.59
4.3.70.0000.0174.63
4.3.60.0040.0134.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0030.0143.28
4.3.20.0040.0143.26
4.3.10.0030.0143.22
4.3.00.0030.01718.41

preferences:
145.17 ms | 1394 KiB | 7 Q