3v4l.org

run code in 300+ PHP versions simultaneously
<?php function b() { } $a = "a"; $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)
5.4.320.0060.04112.51
5.4.310.0060.04312.51
5.4.300.0100.03212.52
5.4.290.0050.03812.51
5.4.280.0070.03312.41
5.4.270.0040.03812.41
5.4.260.0030.04012.41
5.4.250.0050.03812.41
5.4.240.0070.03412.41
5.4.230.0070.03612.40
5.4.220.0050.03612.40
5.4.210.0070.03412.40
5.4.200.0100.03312.40
5.4.190.0050.03712.39
5.4.180.0020.03912.40
5.4.170.0060.03612.40
5.4.160.0030.03912.40
5.4.150.0030.03912.39
5.4.140.0070.03512.09
5.4.130.0070.03412.06
5.4.120.0060.03512.03
5.4.110.0050.03512.03
5.4.100.0070.03512.02
5.4.90.0030.03812.03
5.4.80.0040.03812.03
5.4.70.0040.03612.02
5.4.60.0060.03412.02
5.4.50.0050.03612.02
5.4.40.0070.03412.01
5.4.30.0090.03112.00
5.4.20.0030.03812.00
5.4.10.0030.04012.00
5.4.00.0090.03511.50
5.3.290.0040.04312.80
5.3.280.0070.03612.71
5.3.270.0050.03912.72
5.3.260.0060.04112.72
5.3.250.0080.03712.72
5.3.240.0080.03512.72
5.3.230.0070.03712.71
5.3.220.0050.03912.68
5.3.210.0040.04212.68
5.3.200.0040.03812.68
5.3.190.0060.03712.68
5.3.180.0030.03812.68
5.3.170.0090.03312.67
5.3.160.0070.03512.68
5.3.150.0090.03412.68
5.3.140.0070.03512.66
5.3.130.0040.04012.66
5.3.120.0040.04112.66
5.3.110.0070.03712.66
5.3.100.0030.03912.12
5.3.90.0060.03512.10
5.3.80.0080.03512.09
5.3.70.0080.03612.09
5.3.60.0080.03812.07
5.3.50.0060.03912.02
5.3.40.0080.04512.02
5.3.30.0080.04811.98
5.3.20.0060.04611.77
5.3.10.0080.03211.73
5.3.00.0070.03511.71
5.2.170.0030.0379.22
5.2.160.0080.0289.22
5.2.150.0060.0309.21
5.2.140.0060.0329.21
5.2.130.0030.0309.17
5.2.120.0050.0279.17
5.2.110.0030.0309.18
5.2.100.0090.0249.18
5.2.90.0070.0289.18
5.2.80.0090.0309.17
5.2.70.0060.0409.17
5.2.60.0030.0409.13
5.2.50.0050.0439.09
5.2.40.0050.0349.07
5.2.30.0040.0309.05
5.2.20.0030.0309.04
5.2.10.0050.0278.94
5.2.00.0060.0278.81
5.1.60.0060.0228.09
5.1.50.0060.0268.08
5.1.40.0070.0238.07
5.1.30.0040.0268.41
5.1.20.0040.0268.44
5.1.10.0060.0248.16
5.1.00.0040.0278.16
5.0.50.0060.0226.64
5.0.40.0040.0206.50
5.0.30.0020.0326.31
5.0.20.0060.0176.28
5.0.10.0020.0226.26
5.0.00.0030.0306.25
4.4.90.0030.0154.78
4.4.80.0040.0144.76
4.4.70.0040.0144.75
4.4.60.0040.0174.76
4.4.50.0060.0124.77
4.4.40.0040.0244.71
4.4.30.0010.0174.76
4.4.20.0040.0154.84
4.4.10.0040.0144.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0164.66
4.3.90.0030.0144.63
4.3.80.0040.0234.58
4.3.70.0050.0124.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0040.0133.30
4.3.20.0050.0123.28
4.3.10.0030.0143.23
4.3.00.0000.02016.39

preferences:
144.56 ms | 1394 KiB | 7 Q