3v4l.org

run code in 300+ PHP versions simultaneously
<?php function b($a){return $a+1} echo b(1);

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)
5.4.340.0110.03212.03
5.4.320.0070.03612.52
5.4.310.0040.04012.52
5.4.300.0080.03512.52
5.4.290.0060.03812.51
5.4.280.0040.03712.41
5.4.270.0050.03712.41
5.4.260.0070.03712.41
5.4.250.0070.03712.41
5.4.240.0070.03512.41
5.4.230.0060.03712.40
5.4.220.0040.03812.40
5.4.210.0060.03512.40
5.4.200.0050.03812.40
5.4.190.0100.03112.40
5.4.180.0090.03312.40
5.4.170.0040.03712.40
5.4.160.0030.03812.40
5.4.150.0060.03612.39
5.4.140.0050.04812.09
5.4.130.0060.03412.07
5.4.120.0050.03512.04
5.4.110.0050.03512.03
5.4.100.0050.03612.03
5.4.90.0040.03812.03
5.4.80.0090.03912.03
5.4.70.0020.03712.03
5.4.60.0060.03512.02
5.4.50.0080.03312.02
5.4.40.0070.03412.01
5.4.30.0060.03612.01
5.4.20.0050.03612.01
5.4.10.0060.03412.01
5.4.00.0070.03711.51
5.3.290.0090.04612.80
5.3.280.0060.03812.70
5.3.270.0100.05012.73
5.3.260.0070.03812.72
5.3.250.0050.03812.72
5.3.240.0060.03712.72
5.3.230.0080.03512.70
5.3.220.0050.03912.68
5.3.210.0060.03912.68
5.3.200.0040.03912.68
5.3.190.0050.03912.68
5.3.180.0070.03512.67
5.3.170.0050.03712.66
5.3.160.0060.03712.68
5.3.150.0050.03812.68
5.3.140.0050.03712.66
5.3.130.0060.03912.66
5.3.120.0050.03912.66
5.3.110.0070.03712.66
5.3.100.0090.03412.13
5.3.90.0080.03412.11
5.3.80.0050.03712.09
5.3.70.0060.03512.09
5.3.60.0050.03712.08
5.3.50.0060.03612.02
5.3.40.0040.03912.02
5.3.30.0070.03311.98
5.3.20.0070.03411.77
5.3.10.0040.03711.74
5.3.00.0040.03911.71
5.2.170.0040.0319.21
5.2.160.0030.0309.21
5.2.150.0010.0349.22
5.2.140.0070.0289.21
5.2.130.0050.0289.18
5.2.120.0040.0299.17
5.2.110.0020.0329.18
5.2.100.0060.0279.18
5.2.90.0080.0379.18
5.2.80.0050.0329.18
5.2.70.0040.0319.17
5.2.60.0030.0319.12
5.2.50.0040.0309.09
5.2.40.0040.0299.07
5.2.30.0030.0319.04
5.2.20.0060.0329.04
5.2.10.0050.0308.95
5.2.00.0070.0268.81
5.1.60.0030.0328.09
5.1.50.0040.0258.08
5.1.40.0030.0348.07
5.1.30.0030.0278.42
5.1.20.0040.0278.44
5.1.10.0030.0278.16
5.1.00.0060.0288.16
5.0.50.0050.0216.64
5.0.40.0030.0236.50
5.0.30.0070.0316.31
5.0.20.0050.0176.29
5.0.10.0010.0226.26
5.0.00.0010.0326.25
4.4.90.0040.0154.78
4.4.80.0030.0204.76
4.4.70.0050.0134.75
4.4.60.0070.0124.75
4.4.50.0040.0144.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0050.0134.84
4.4.10.0000.0184.85
4.4.00.0010.0264.76
4.3.110.0050.0134.67
4.3.100.0040.0144.66
4.3.90.0040.0134.63
4.3.80.0050.0224.58
4.3.70.0020.0164.63
4.3.60.0010.0164.63
4.3.50.0040.0224.62
4.3.40.0040.0274.54
4.3.30.0010.0183.30
4.3.20.0030.0163.27
4.3.10.0000.0173.23
4.3.00.0070.0276.80

preferences:
137.66 ms | 1394 KiB | 7 Q