3v4l.org

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

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)
5.4.320.0050.05012.50
5.4.310.0040.04012.50
5.4.300.0080.04612.50
5.4.290.0070.04412.49
5.4.280.0090.03212.39
5.4.270.0080.04012.39
5.4.260.0060.03912.39
5.4.250.0050.05712.39
5.4.240.0050.04912.39
5.4.230.0140.04012.38
5.4.220.0020.04112.38
5.4.210.0080.03512.38
5.4.200.0060.04712.38
5.4.190.0050.03712.38
5.4.180.0100.03212.38
5.4.170.0050.03712.39
5.4.160.0070.03912.38
5.4.150.0060.03612.38
5.4.140.0060.03912.07
5.4.130.0050.03812.05
5.4.120.0050.04012.01
5.4.110.0110.04612.01
5.4.100.0070.04012.01
5.4.90.0110.03712.01
5.4.80.0080.04312.01
5.4.70.0070.03612.01
5.4.60.0080.04912.01
5.4.50.0050.05012.01
5.4.40.0070.04912.00
5.4.30.0080.04611.99
5.4.20.0090.05011.99
5.4.10.0040.04011.99
5.4.00.0070.04611.48
5.3.290.0060.04212.80
5.3.280.0070.04112.71
5.3.270.0090.04312.72
5.3.260.0060.04012.72
5.3.250.0090.03412.72
5.3.240.0030.04112.72
5.3.230.0070.04112.71
5.3.220.0080.03412.68
5.3.210.0060.04312.68
5.3.200.0120.03512.68
5.3.190.0100.04812.68
5.3.180.0080.04112.67
5.3.170.0050.04412.67
5.3.160.0100.04012.67
5.3.150.0090.03812.67
5.3.140.0080.03512.66
5.3.130.0040.04112.66
5.3.120.0060.03912.66
5.3.110.0050.04012.66
5.3.100.0070.03712.12
5.3.90.0050.03812.09
5.3.80.0080.03512.08
5.3.70.0060.03612.08
5.3.60.0060.03812.06
5.3.50.0090.03712.00
5.3.40.0060.04512.00
5.3.30.0120.03511.95
5.3.20.0080.03311.73
5.3.10.0070.03911.70
5.3.00.0060.03811.68
5.2.170.0060.0409.18
5.2.160.0060.0309.18
5.2.150.0070.0279.19
5.2.140.0040.0379.18
5.2.130.0050.0389.14
5.2.120.0060.0299.14
5.2.110.0050.0369.15
5.2.100.0050.0319.14
5.2.90.0040.0329.14
5.2.80.0060.0339.14
5.2.70.0060.0319.14
5.2.60.0080.0329.09
5.2.50.0050.0329.06
5.2.40.0060.0339.04
5.2.30.0040.0309.02
5.2.20.0070.0299.00
5.2.10.0050.0298.93
5.2.00.0080.0388.78
5.1.60.0030.0258.07
5.1.50.0050.0248.06
5.1.40.0050.0248.05
5.1.30.0060.0248.40
5.1.20.0050.0268.41
5.1.10.0050.0298.14
5.1.00.0030.0278.14
5.0.50.0040.0206.62
5.0.40.0050.0216.48
5.0.30.0030.0336.29
5.0.20.0060.0216.27
5.0.10.0050.0266.24
5.0.00.0040.0306.23
4.4.90.0050.0214.78
4.4.80.0010.0164.75
4.4.70.0030.0154.75
4.4.60.0060.0124.76
4.4.50.0020.0164.77
4.4.40.0010.0264.71
4.4.30.0030.0144.76
4.4.20.0030.0154.85
4.4.10.0040.0144.85
4.4.00.0020.0264.76
4.3.110.0010.0234.67
4.3.100.0030.0144.66
4.3.90.0040.0134.64
4.3.80.0010.0254.59
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0030.0154.63
4.3.40.0030.0234.53
4.3.30.0040.0143.29
4.3.20.0010.0173.26
4.3.10.0020.0153.22
4.3.00.0070.01718.56

preferences:
140.08 ms | 1394 KiB | 7 Q