3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function() { return '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)
5.4.320.0100.03412.52
5.4.310.0090.04712.51
5.4.300.0100.03412.52
5.4.290.0040.04012.52
5.4.280.0040.03712.41
5.4.270.0080.03312.41
5.4.260.0060.03712.41
5.4.250.0050.03812.41
5.4.240.0070.03412.41
5.4.230.0080.03612.40
5.4.220.0050.04112.40
5.4.210.0100.04912.40
5.4.200.0050.04012.40
5.4.190.0070.04612.39
5.4.180.0050.04712.40
5.4.170.0080.04812.40
5.4.160.0020.04212.40
5.4.150.0060.03512.40
5.4.140.0070.03512.09
5.4.130.0020.03912.07
5.4.120.0040.03712.04
5.4.110.0110.03112.03
5.4.100.0070.03812.03
5.4.90.0050.03912.03
5.4.80.0030.04012.03
5.4.70.0050.03612.02
5.4.60.0050.03612.03
5.4.50.0060.03512.02
5.4.40.0050.03712.02
5.4.30.0070.03612.01
5.4.20.0080.03312.01
5.4.10.0070.03312.02
5.4.00.0080.03411.51
5.3.290.0100.03612.80
5.3.280.0090.03412.71
5.3.270.0010.04612.72
5.3.260.0070.03712.72
5.3.250.0060.03712.72
5.3.240.0060.03712.72
5.3.230.0060.03712.71
5.3.220.0060.03712.68
5.3.210.0040.04012.68
5.3.200.0030.04312.68
5.3.190.0080.03512.68
5.3.180.0090.03312.68
5.3.170.0090.03512.67
5.3.160.0080.05212.68
5.3.150.0050.05312.67
5.3.140.0060.03612.66
5.3.130.0040.04012.65
5.3.120.0060.03812.66
5.3.110.0050.03912.66
5.3.100.0090.03312.13
5.3.90.0070.03512.11
5.3.80.0030.03812.09
5.3.70.0030.03812.09
5.3.60.0040.03812.08
5.3.50.0060.03512.02
5.3.40.0080.03312.02
5.3.30.0080.03311.98
5.3.20.0080.03211.77
5.3.10.0040.03611.73
5.3.00.0070.03511.71
5.2.170.0030.0329.18
5.2.160.0040.0299.18
5.2.150.0070.0279.18
5.2.140.0030.0319.18
5.2.130.0060.0309.14
5.2.120.0030.0309.14
5.2.110.0040.0299.15
5.2.100.0060.0269.14
5.2.90.0050.0289.14
5.2.80.0080.0269.14
5.2.70.0040.0349.14
5.2.60.0030.0319.09
5.2.50.0070.0419.05
5.2.40.0040.0299.03
5.2.30.0030.0309.02
5.2.20.0070.0399.00
5.2.10.0050.0288.93
5.2.00.0040.0298.78
5.1.60.0070.0218.07
5.1.50.0060.0228.06
5.1.40.0040.0238.05
5.1.30.0040.0268.40
5.1.20.0050.0258.42
5.1.10.0040.0278.14
5.1.00.0040.0258.14
5.0.50.0030.0206.62
5.0.40.0040.0186.47
5.0.30.0020.0326.29
5.0.20.0040.0186.27
5.0.10.0060.0186.23
5.0.00.0050.0336.23
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0040.0154.76
4.4.60.0030.0164.76
4.4.50.0040.0164.77
4.4.40.0060.0294.71
4.4.30.0010.0174.76
4.4.20.0040.0154.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0020.0164.67
4.3.100.0030.0154.66
4.3.90.0020.0154.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0020.0154.63
4.3.40.0010.0254.54
4.3.30.0020.0183.28
4.3.20.0040.0203.26
4.3.10.0030.0153.21
4.3.00.0070.02015.62

preferences:
145.93 ms | 1394 KiB | 7 Q