3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var) { $var++; } $a=5; foo(&$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)
5.4.320.0090.05012.51
5.4.310.0050.03812.51
5.4.300.0040.04812.52
5.4.290.0070.05112.51
5.4.280.0050.03512.41
5.4.270.0060.04312.41
5.4.260.0060.03612.41
5.4.250.0050.04112.41
5.4.240.0050.04212.41
5.4.230.0070.04112.40
5.4.220.0060.04012.40
5.4.210.0060.03712.40
5.4.200.0040.04212.40
5.4.190.0050.03512.40
5.4.180.0070.03512.40
5.4.170.0070.03412.40
5.4.160.0040.03612.41
5.4.150.0050.03612.40
5.4.140.0050.03712.08
5.4.130.0110.03012.07
5.4.120.0050.03512.03
5.4.110.0050.03512.02
5.4.100.0030.03712.03
5.4.90.0070.04212.02
5.4.80.0120.04512.02
5.4.70.0050.03612.02
5.4.60.0050.03512.02
5.4.50.0070.03212.02
5.4.40.0060.03412.00
5.4.30.0050.03612.00
5.4.20.0060.03612.00
5.4.10.0050.03412.00
5.4.00.0020.03911.50
5.3.290.0050.03912.80
5.3.280.0060.04112.70
5.3.270.0060.03912.72
5.3.260.0090.03812.71
5.3.250.0030.04012.72
5.3.240.0070.03812.72
5.3.230.0060.03812.71
5.3.220.0080.03412.68
5.3.210.0040.04112.68
5.3.200.0050.03812.68
5.3.190.0070.03612.68
5.3.180.0040.03712.67
5.3.170.0060.03612.67
5.3.160.0090.04912.67
5.3.150.0050.04012.67
5.3.140.0050.03712.66
5.3.130.0100.04212.66
5.3.120.0050.03912.66
5.3.110.0050.03812.66
5.3.100.0080.03312.12
5.3.90.0040.03712.10
5.3.80.0030.03812.09
5.3.70.0060.03512.09
5.3.60.0070.04112.08
5.3.50.0040.03712.01
5.3.40.0060.03512.01
5.3.30.0060.03411.97
5.3.20.0020.03811.76
5.3.10.0040.03511.73
5.3.00.0100.03311.71
5.2.170.0060.0299.21
5.2.160.0030.0299.21
5.2.150.0040.0309.21
5.2.140.0040.0319.20
5.2.130.0040.0289.16
5.2.120.0060.0269.16
5.2.110.0050.0279.17
5.2.100.0040.0289.17
5.2.90.0050.0289.16
5.2.80.0020.0329.17
5.2.70.0040.0309.17
5.2.60.0040.0309.13
5.2.50.0080.0279.10
5.2.40.0030.0349.07
5.2.30.0070.0299.04
5.2.20.0050.0289.04
5.2.10.0040.0288.94
5.2.00.0040.0308.80
5.1.60.0040.0248.08
5.1.50.0070.0288.08
5.1.40.0030.0388.07
5.1.30.0030.0408.41
5.1.20.0070.0378.43
5.1.10.0080.0338.16
5.1.00.0060.0378.16
5.0.50.0070.0276.63
5.0.40.0060.0286.50
5.0.30.0040.0456.30
5.0.20.0040.0286.27
5.0.10.0090.0246.25
5.0.00.0040.0406.25
4.4.90.0040.0214.78
4.4.80.0020.0194.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0040.0234.71
4.4.30.0020.0154.75
4.4.20.0010.0164.85
4.4.10.0010.0164.85
4.4.00.0030.0234.76
4.3.110.0040.0244.67
4.3.100.0040.0234.66
4.3.90.0020.0184.63
4.3.80.0020.0244.59
4.3.70.0040.0124.63
4.3.60.0010.0234.63
4.3.50.0000.0184.63
4.3.40.0050.0284.54
4.3.30.0040.0143.30
4.3.20.0040.0143.27
4.3.10.0010.0163.23
4.3.00.0070.01315.68

preferences:
146.59 ms | 1394 KiB | 7 Q