3v4l.org

run code in 300+ PHP versions simultaneously
<?php $encoding = function($var) {return $var}

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)
5.4.320.0080.04912.52
5.4.310.0050.04012.51
5.4.300.0080.03412.52
5.4.290.0060.03712.51
5.4.280.0070.04612.41
5.4.270.0070.03612.41
5.4.260.0070.04612.41
5.4.250.0080.03612.41
5.4.240.0110.03712.41
5.4.230.0090.04012.40
5.4.220.0110.03112.40
5.4.210.0070.03412.40
5.4.200.0080.03712.40
5.4.190.0070.03412.40
5.4.180.0030.04212.39
5.4.170.0060.04012.41
5.4.160.0040.04312.40
5.4.150.0100.03412.40
5.4.140.0040.03812.09
5.4.130.0070.04312.07
5.4.120.0050.04912.03
5.4.110.0060.03512.03
5.4.100.0070.03312.03
5.4.90.0060.03612.03
5.4.80.0100.04012.03
5.4.70.0070.03712.03
5.4.60.0060.03612.02
5.4.50.0070.03512.02
5.4.40.0080.03712.01
5.4.30.0070.04112.01
5.4.20.0070.03412.00
5.4.10.0090.04012.01
5.4.00.0060.03511.50
5.3.290.0050.04012.80
5.3.280.0080.03512.71
5.3.270.0090.04212.73
5.3.260.0060.04612.72
5.3.250.0070.04212.72
5.3.240.0080.03912.72
5.3.230.0080.03812.71
5.3.220.0040.04112.68
5.3.210.0060.04112.68
5.3.200.0110.03812.68
5.3.190.0130.03012.68
5.3.180.0050.03712.67
5.3.170.0050.04612.67
5.3.160.0090.03412.68
5.3.150.0070.03712.68
5.3.140.0070.04612.66
5.3.130.0110.04612.66
5.3.120.0080.04612.66
5.3.110.0120.04712.66
5.3.100.0100.03712.12
5.3.90.0080.04012.11
5.3.80.0090.04112.09
5.3.70.0070.04012.09
5.3.60.0070.03812.09
5.3.50.0080.04312.02
5.3.40.0050.04012.02
5.3.30.0040.03611.98
5.3.20.0070.04011.76
5.3.10.0090.03511.74
5.3.00.0060.03511.71
5.2.170.0060.0309.18
5.2.160.0070.0319.18
5.2.150.0050.0389.18
5.2.140.0040.0339.18
5.2.130.0050.0319.13
5.2.120.0070.0359.14
5.2.110.0020.0349.15
5.2.100.0020.0319.14
5.2.90.0080.0369.14
5.2.80.0050.0329.14
5.2.70.0040.0319.14
5.2.60.0050.0369.08
5.2.50.0070.0319.06
5.2.40.0040.0349.03
5.2.30.0050.0309.01
5.2.20.0030.0369.00
5.2.10.0060.0318.93
5.2.00.0080.0358.78
5.1.60.0060.0238.06
5.1.50.0050.0238.06
5.1.40.0050.0278.05
5.1.30.0080.0308.40
5.1.20.0050.0308.41
5.1.10.0070.0268.14
5.1.00.0050.0268.14
5.0.50.0050.0236.62
5.0.40.0060.0226.48
5.0.30.0070.0366.29
5.0.20.0040.0226.27
5.0.10.0070.0236.23
5.0.00.0040.0316.23
4.4.90.0040.0164.78
4.4.80.0060.0174.75
4.4.70.0020.0214.76
4.4.60.0060.0174.75
4.4.50.0040.0154.77
4.4.40.0020.0264.70
4.4.30.0030.0174.76
4.4.20.0030.0174.84
4.4.10.0020.0254.85
4.4.00.0040.0254.76
4.3.110.0050.0204.66
4.3.100.0010.0194.67
4.3.90.0020.0164.64
4.3.80.0020.0254.58
4.3.70.0040.0134.63
4.3.60.0050.0134.63
4.3.50.0050.0134.63
4.3.40.0010.0264.54
4.3.30.0030.0183.29
4.3.20.0020.0163.26
4.3.10.0030.0193.21
4.3.00.0030.0207.35

preferences:
141.53 ms | 1394 KiB | 7 Q