3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var){     $var++; } $a=5; foo($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)
5.4.320.0060.03612.46
5.4.310.0080.03912.46
5.4.300.0050.03812.47
5.4.290.0060.04112.46
5.4.280.0050.03812.36
5.4.270.0080.03712.36
5.4.260.0060.03612.36
5.4.250.0070.03612.36
5.4.240.0040.04112.36
5.4.230.0040.03712.35
5.4.220.0040.03612.35
5.4.210.0060.03412.35
5.4.200.0070.03612.35
5.4.190.0050.03712.35
5.4.180.0070.03412.35
5.4.170.0040.03712.36
5.4.160.0050.03612.36
5.4.150.0070.03412.35
5.4.140.0050.03712.04
5.4.130.0070.03412.02
5.4.120.0040.03511.98
5.4.110.0070.03411.97
5.4.100.0070.03311.98
5.4.90.0080.03411.98
5.4.80.0070.03511.98
5.4.70.0050.03511.97
5.4.60.0040.03611.97
5.4.50.0050.03911.97
5.4.40.0050.03511.96
5.4.30.0080.03611.96
5.4.20.0040.03911.96
5.4.10.0050.03811.96
5.4.00.0050.03811.45
5.3.290.0060.04112.80
5.3.280.0060.03712.71
5.3.270.0080.04312.72
5.3.260.0090.03612.72
5.3.250.0060.03612.72
5.3.240.0050.04112.72
5.3.230.0080.03612.71
5.3.220.0060.03612.68
5.3.210.0070.03912.68
5.3.200.0070.03612.68
5.3.190.0060.03912.68
5.3.180.0090.03712.67
5.3.170.0080.03812.67
5.3.160.0090.04012.67
5.3.150.0060.04112.67
5.3.140.0040.03812.66
5.3.130.0090.03512.66
5.3.120.0090.03812.65
5.3.110.0040.04312.66
5.3.100.0040.03912.12
5.3.90.0070.03412.08
5.3.80.0060.03612.08
5.3.70.0050.03612.08
5.3.60.0040.03912.07
5.3.50.0070.03512.00
5.3.40.0050.03812.00
5.3.30.0040.03511.95
5.3.20.0090.03211.73
5.3.10.0050.03811.70
5.3.00.0070.03611.68
5.2.170.0040.0319.18
5.2.160.0040.0299.18
5.2.150.0050.0309.18
5.2.140.0070.0309.18
5.2.130.0050.0299.14
5.2.120.0070.0269.14
5.2.110.0060.0279.14
5.2.100.0060.0289.14
5.2.90.0050.0299.14
5.2.80.0050.0309.14
5.2.70.0070.0289.14
5.2.60.0030.0319.09
5.2.50.0040.0319.06
5.2.40.0040.0289.04
5.2.30.0040.0309.02
5.2.20.0030.0309.01
5.2.10.0040.0308.93
5.2.00.0060.0278.79
5.1.60.0050.0298.07
5.1.50.0050.0298.06
5.1.40.0060.0278.05
5.1.30.0040.0348.40
5.1.20.0060.0318.42
5.1.10.0050.0298.14
5.1.00.0050.0308.14
5.0.50.0040.0246.62
5.0.40.0050.0186.48
5.0.30.0030.0326.29
5.0.20.0050.0186.27
5.0.10.0040.0196.24
5.0.00.0040.0306.23
4.4.90.0040.0134.78
4.4.80.0040.0144.76
4.4.70.0020.0154.76
4.4.60.0030.0164.76
4.4.50.0040.0144.77
4.4.40.0040.0234.71
4.4.30.0030.0144.76
4.4.20.0020.0154.85
4.4.10.0020.0184.85
4.4.00.0020.0264.76
4.3.110.0040.0144.67
4.3.100.0020.0144.66
4.3.90.0020.0154.63
4.3.80.0020.0254.58
4.3.70.0040.0144.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0040.0234.53
4.3.30.0020.0163.28
4.3.20.0020.0153.26
4.3.10.0020.0153.21
4.3.00.0030.0236.98

preferences:
139.27 ms | 1394 KiB | 7 Q