3v4l.org

run code in 300+ PHP versions simultaneously
<?php function simple (& $var) { $var = 2; } $lambda = function( & $var) { $var = 2; } $var1 = 1; simple($var1); var_dump($var1); $var2 = 1; $lambda($var2); var_dump($var2);

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)
5.4.340.0010.03912.03
5.4.320.0080.03412.52
5.4.310.0070.03612.51
5.4.300.0070.03412.52
5.4.290.0030.04012.52
5.4.280.0040.03712.41
5.4.270.0070.04612.41
5.4.260.0040.04112.41
5.4.250.0050.04312.41
5.4.240.0080.03512.41
5.4.230.0060.03712.41
5.4.220.0060.03912.40
5.4.210.0080.04912.40
5.4.200.0090.03912.40
5.4.190.0070.03412.40
5.4.180.0060.03612.40
5.4.170.0090.03512.41
5.4.160.0040.03812.40
5.4.150.0050.03612.39
5.4.140.0030.03912.09
5.4.130.0040.03612.07
5.4.120.0110.03412.04
5.4.110.0060.03812.03
5.4.100.0040.03912.03
5.4.90.0070.04412.03
5.4.80.0050.04312.03
5.4.70.0040.03912.02
5.4.60.0050.03612.03
5.4.50.0050.03612.03
5.4.40.0040.03612.02
5.4.30.0070.03812.01
5.4.20.0060.03912.01
5.4.10.0030.03712.01
5.4.00.0080.04011.50
5.3.290.0070.03612.80
5.3.280.0090.04012.71
5.3.270.0060.03712.73
5.3.260.0030.04012.72
5.3.250.0070.04112.72
5.3.240.0100.04312.72
5.3.230.0080.04112.71
5.3.220.0040.04212.68
5.3.210.0030.04412.68
5.3.200.0030.04312.68
5.3.190.0020.04012.68
5.3.180.0070.03512.67
5.3.170.0050.03612.67
5.3.160.0060.03612.67
5.3.150.0070.03512.67
5.3.140.0060.03612.66
5.3.130.0080.04112.66
5.3.120.0060.03712.66
5.3.110.0050.03812.66
5.3.100.0050.03812.13
5.3.90.0060.03512.11
5.3.80.0070.03512.10
5.3.70.0100.03012.10
5.3.60.0060.04112.08
5.3.50.0040.04112.03
5.3.40.0060.03412.03
5.3.30.0010.03911.99
5.3.20.0060.03411.77
5.3.10.0050.03411.73
5.3.00.0070.03411.71
5.2.170.0050.0349.22
5.2.160.0050.0319.21
5.2.150.0030.0319.21
5.2.140.0040.0339.21
5.2.130.0030.0319.17
5.2.120.0050.0289.17
5.2.110.0050.0299.18
5.2.100.0030.0299.18
5.2.90.0070.0269.18
5.2.80.0010.0339.18
5.2.70.0020.0329.17
5.2.60.0020.0329.13
5.2.50.0050.0349.09
5.2.40.0010.0349.07
5.2.30.0040.0309.05
5.2.20.0060.0279.04
5.2.10.0030.0288.95
5.2.00.0020.0308.80
5.1.60.0040.0258.09
5.1.50.0050.0278.09
5.1.40.0050.0238.07
5.1.30.0020.0278.42
5.1.20.0040.0268.44
5.1.10.0050.0248.16
5.1.00.0030.0268.16
5.0.50.0040.0196.64
5.0.40.0030.0196.50
5.0.30.0040.0316.31
5.0.20.0020.0196.28
5.0.10.0030.0196.25
5.0.00.0030.0306.25
4.4.90.0040.0144.77
4.4.80.0020.0154.75
4.4.70.0010.0174.76
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0020.0264.70
4.4.30.0050.0134.76
4.4.20.0020.0164.85
4.4.10.0050.0134.85
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0030.0154.66
4.3.90.0010.0164.63
4.3.80.0040.0234.58
4.3.70.0030.0214.63
4.3.60.0030.0134.62
4.3.50.0010.0164.63
4.3.40.0030.0244.54
4.3.30.0020.0163.30
4.3.20.0000.0173.27
4.3.10.0000.0173.24
4.3.00.0230.02012.08

preferences:
133.94 ms | 1398 KiB | 7 Q