3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var) { $var++; } $a=5; foo(&$a); echo $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)
5.4.320.0060.03612.52
5.4.310.0070.03512.51
5.4.300.0060.04312.52
5.4.290.0040.03812.51
5.4.280.0050.03512.41
5.4.270.0040.03612.41
5.4.260.0040.03712.41
5.4.250.0080.04212.41
5.4.240.0040.03712.41
5.4.230.0040.03912.40
5.4.220.0060.03512.40
5.4.210.0030.03712.40
5.4.200.0020.03912.41
5.4.190.0060.03412.40
5.4.180.0040.03812.39
5.4.170.0070.04212.40
5.4.160.0100.04512.40
5.4.150.0060.04112.39
5.4.140.0040.04312.08
5.4.130.0020.04312.07
5.4.120.0040.03512.02
5.4.110.0040.03812.02
5.4.100.0020.03612.02
5.4.90.0070.03312.03
5.4.80.0090.04212.02
5.4.70.0110.03412.02
5.4.60.0050.03412.02
5.4.50.0070.04512.02
5.4.40.0050.03412.01
5.4.30.0030.03712.01
5.4.20.0040.03512.00
5.4.10.0050.03412.00
5.4.00.0040.03711.50
5.3.290.0040.04012.80
5.3.280.0110.04112.71
5.3.270.0070.03612.73
5.3.260.0090.03312.71
5.3.250.0050.03812.72
5.3.240.0060.04612.72
5.3.230.0090.03212.71
5.3.220.0070.03312.68
5.3.210.0070.04212.68
5.3.200.0040.04612.68
5.3.190.0020.03912.68
5.3.180.0040.03712.68
5.3.170.0030.03712.66
5.3.160.0050.03612.68
5.3.150.0030.04012.67
5.3.140.0040.03712.66
5.3.130.0050.03812.66
5.3.120.0080.03612.66
5.3.110.0070.04512.66
5.3.100.0030.03812.12
5.3.90.0070.03312.10
5.3.80.0050.03612.09
5.3.70.0080.03312.09
5.3.60.0040.03712.08
5.3.50.0010.04012.01
5.3.40.0060.03512.02
5.3.30.0050.03411.98
5.3.20.0050.03511.75
5.3.10.0080.03711.73
5.3.00.0060.03711.71
5.2.170.0060.0289.21
5.2.160.0050.0289.21
5.2.150.0050.0419.21
5.2.140.0050.0409.21
5.2.130.0030.0299.16
5.2.120.0030.0329.16
5.2.110.0040.0289.18
5.2.100.0050.0279.17
5.2.90.0050.0269.17
5.2.80.0060.0339.16
5.2.70.0050.0389.16
5.2.60.0060.0379.13
5.2.50.0050.0399.09
5.2.40.0050.0399.07
5.2.30.0030.0349.04
5.2.20.0040.0299.03
5.2.10.0050.0278.94
5.2.00.0050.0318.80
5.1.60.0050.0268.09
5.1.50.0070.0218.08
5.1.40.0060.0378.07
5.1.30.0020.0288.41
5.1.20.0040.0268.43
5.1.10.0060.0248.15
5.1.00.0030.0278.16
5.0.50.0020.0226.63
5.0.40.0030.0196.50
5.0.30.0010.0336.30
5.0.20.0010.0226.28
5.0.10.0010.0226.25
5.0.00.0020.0316.24
4.4.90.0010.0174.78
4.4.80.0050.0134.75
4.4.70.0040.0264.75
4.4.60.0010.0164.75
4.4.50.0020.0254.77
4.4.40.0010.0254.71
4.4.30.0030.0144.76
4.4.20.0050.0254.85
4.4.10.0040.0274.85
4.4.00.0040.0304.76
4.3.110.0040.0214.67
4.3.100.0030.0194.66
4.3.90.0020.0144.63
4.3.80.0020.0244.59
4.3.70.0020.0144.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0040.0143.30
4.3.20.0010.0163.27
4.3.10.0010.0183.24
4.3.00.0070.0207.02

preferences:
140.99 ms | 1394 KiB | 7 Q