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)
5.4.320.0060.03512.46
5.4.310.0050.03712.46
5.4.300.0060.03512.46
5.4.290.0060.04912.46
5.4.280.0050.03412.36
5.4.270.0050.03712.36
5.4.260.0080.04312.36
5.4.250.0040.04312.36
5.4.240.0050.03512.36
5.4.230.0050.04512.35
5.4.220.0050.03612.35
5.4.210.0050.04112.35
5.4.200.0080.04112.35
5.4.190.0060.04112.35
5.4.180.0080.03712.35
5.4.170.0060.03912.36
5.4.160.0070.03412.36
5.4.150.0070.03812.36
5.4.140.0060.03812.04
5.4.130.0060.04412.02
5.4.120.0040.04111.98
5.4.110.0050.03611.97
5.4.100.0070.03811.97
5.4.90.0020.04611.97
5.4.80.0060.04211.98
5.4.70.0050.03811.97
5.4.60.0060.03711.97
5.4.50.0050.03611.97
5.4.40.0060.04011.96
5.4.30.0100.03211.96
5.4.20.0100.03611.96
5.4.10.0080.03311.95
5.4.00.0030.04011.45
5.3.290.0050.04012.80
5.3.280.0050.03712.70
5.3.270.0020.04612.72
5.3.260.0060.03812.72
5.3.250.0050.03912.72
5.3.240.0060.03712.72
5.3.230.0070.03712.70
5.3.220.0040.03812.68
5.3.210.0060.03812.68
5.3.200.0060.04112.68
5.3.190.0050.03712.68
5.3.180.0070.03412.67
5.3.170.0030.03912.67
5.3.160.0040.04112.67
5.3.150.0100.03412.67
5.3.140.0060.03612.66
5.3.130.0070.03812.66
5.3.120.0080.03612.66
5.3.110.0070.03612.65
5.3.100.0030.03912.12
5.3.90.0050.03512.08
5.3.80.0050.03712.08
5.3.70.0060.03512.07
5.3.60.0080.03412.07
5.3.50.0030.03912.00
5.3.40.0090.04012.00
5.3.30.0080.03411.95
5.3.20.0040.03611.72
5.3.10.0040.03811.70
5.3.00.0080.03311.68
5.2.170.0050.0309.18
5.2.160.0040.0299.18
5.2.150.0050.0299.18
5.2.140.0050.0299.18
5.2.130.0040.0299.13
5.2.120.0050.0299.13
5.2.110.0030.0309.15
5.2.100.0090.0249.14
5.2.90.0040.0349.14
5.2.80.0040.0409.14
5.2.70.0030.0389.14
5.2.60.0030.0409.09
5.2.50.0060.0279.06
5.2.40.0040.0399.04
5.2.30.0080.0359.02
5.2.20.0050.0289.01
5.2.10.0040.0288.92
5.2.00.0050.0288.78
5.1.60.0030.0308.06
5.1.50.0040.0318.06
5.1.40.0050.0298.04
5.1.30.0060.0288.40
5.1.20.0040.0258.42
5.1.10.0020.0278.14
5.1.00.0040.0248.14
5.0.50.0050.0246.62
5.0.40.0060.0236.48
5.0.30.0060.0326.29
5.0.20.0060.0236.27
5.0.10.0030.0196.24
5.0.00.0050.0296.23
4.4.90.0040.0154.78
4.4.80.0010.0164.75
4.4.70.0040.0184.76
4.4.60.0020.0164.76
4.4.50.0010.0164.77
4.4.40.0010.0344.71
4.4.30.0040.0154.76
4.4.20.0050.0214.84
4.4.10.0070.0174.85
4.4.00.0040.0234.76
4.3.110.0040.0144.67
4.3.100.0030.0144.66
4.3.90.0020.0164.64
4.3.80.0030.0264.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0030.0284.54
4.3.30.0020.0163.29
4.3.20.0030.0163.25
4.3.10.0000.0183.21
4.3.00.0000.0276.99

preferences:
141.98 ms | 1394 KiB | 7 Q