3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var) { $var++; } $a=5; foo(7$a); // $a is 6 here ?>

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)
5.4.320.0090.04812.52
5.4.310.0080.05112.52
5.4.300.0130.03712.52
5.4.290.0040.03912.52
5.4.280.0010.03812.41
5.4.270.0040.03712.41
5.4.260.0010.04112.41
5.4.250.0030.04012.41
5.4.240.0070.03412.41
5.4.230.0050.03712.41
5.4.220.0030.03712.40
5.4.210.0050.03412.41
5.4.200.0050.03712.41
5.4.190.0030.03712.40
5.4.180.0020.03912.40
5.4.170.0050.03612.41
5.4.160.0050.04512.40
5.4.150.0070.03412.40
5.4.140.0050.03712.09
5.4.130.0060.03412.07
5.4.120.0050.03512.04
5.4.110.0080.03112.03
5.4.100.0030.03612.03
5.4.90.0060.03512.03
5.4.80.0060.03612.03
5.4.70.0040.03512.02
5.4.60.0020.03612.02
5.4.50.0020.03712.02
5.4.40.0040.03512.02
5.4.30.0080.03912.01
5.4.20.0060.03412.01
5.4.10.0080.03212.01
5.4.00.0090.03211.50
5.3.290.0070.04612.80
5.3.280.0060.03712.71
5.3.270.0080.03612.73
5.3.260.0020.04312.72
5.3.250.0030.04112.72
5.3.240.0040.04912.72
5.3.230.0040.04212.71
5.3.220.0060.03712.68
5.3.210.0070.04112.68
5.3.200.0060.03512.68
5.3.190.0020.04112.68
5.3.180.0050.03612.68
5.3.170.0060.03512.67
5.3.160.0070.03312.68
5.3.150.0010.04112.68
5.3.140.0060.03512.66
5.3.130.0040.04012.66
5.3.120.0070.03912.66
5.3.110.0050.04012.66
5.3.100.0070.03512.13
5.3.90.0050.03612.11
5.3.80.0050.03712.09
5.3.70.0050.03612.09
5.3.60.0040.03712.08
5.3.50.0050.03712.02
5.3.40.0060.03612.02
5.3.30.0050.03511.98
5.3.20.0030.03711.77
5.3.10.0040.03611.73
5.3.00.0040.03611.71
5.2.170.0090.0299.21
5.2.160.0030.0299.21
5.2.150.0070.0269.21
5.2.140.0030.0319.21
5.2.130.0040.0289.17
5.2.120.0050.0269.17
5.2.110.0050.0279.18
5.2.100.0060.0329.18
5.2.90.0070.0279.18
5.2.80.0060.0299.17
5.2.70.0050.0319.18
5.2.60.0050.0369.13
5.2.50.0050.0319.10
5.2.40.0060.0279.07
5.2.30.0040.0309.05
5.2.20.0070.0269.04
5.2.10.0060.0268.95
5.2.00.0070.0268.80
5.1.60.0030.0258.09
5.1.50.0070.0228.08
5.1.40.0040.0258.07
5.1.30.0080.0228.42
5.1.20.0040.0278.44
5.1.10.0050.0278.16
5.1.00.0050.0258.16
5.0.50.0030.0236.64
5.0.40.0070.0226.50
5.0.30.0030.0366.31
5.0.20.0020.0266.28
5.0.10.0030.0196.25
5.0.00.0040.0296.25
4.4.90.0040.0144.78
4.4.80.0050.0134.75
4.4.70.0020.0164.76
4.4.60.0010.0174.76
4.4.50.0010.0164.77
4.4.40.0010.0274.71
4.4.30.0010.0174.76
4.4.20.0020.0154.85
4.4.10.0070.0214.85
4.4.00.0040.0244.76
4.3.110.0040.0144.66
4.3.100.0030.0154.66
4.3.90.0040.0174.63
4.3.80.0030.0234.58
4.3.70.0010.0164.63
4.3.60.0030.0144.63
4.3.50.0010.0174.62
4.3.40.0020.0244.54
4.3.30.0010.0163.30
4.3.20.0030.0143.27
4.3.10.0000.0173.23
4.3.00.0100.01715.68

preferences:
146.23 ms | 1394 KiB | 7 Q