3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fib($n, $all=0){ f[0] = 1; f[1] = 1; for($i = 2; $i<= $n; $i++) f[$i] = f[$i-1]+f[$i-2]; if($all) return $f; return $f[$n]; } print fib(5); var_dump(fib(5, 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)
5.4.320.0060.04712.52
5.4.310.0050.03812.52
5.4.300.0040.03812.52
5.4.290.0080.03612.51
5.4.280.0070.03412.40
5.4.270.0050.03612.41
5.4.260.0020.04212.40
5.4.250.0050.03812.41
5.4.240.0100.03312.41
5.4.230.0080.03712.39
5.4.220.0060.03612.40
5.4.210.0070.03512.40
5.4.200.0110.03312.40
5.4.190.0070.03512.39
5.4.180.0070.03612.39
5.4.170.0080.03412.40
5.4.160.0020.04112.40
5.4.150.0080.03512.39
5.4.140.0040.04012.08
5.4.130.0040.04212.06
5.4.120.0100.03212.03
5.4.110.0060.03512.02
5.4.100.0060.03612.02
5.4.90.0050.04412.03
5.4.80.0070.03712.02
5.4.70.0090.03212.03
5.4.60.0050.03612.02
5.4.50.0070.03412.02
5.4.40.0060.03412.01
5.4.30.0050.04112.01
5.4.20.0110.04112.00
5.4.10.0030.03812.00
5.4.00.0060.03511.50
5.3.290.0120.04412.80
5.3.280.0030.04212.70
5.3.270.0030.04212.72
5.3.260.0100.05312.72
5.3.250.0050.04012.72
5.3.240.0090.03812.72
5.3.230.0120.03312.71
5.3.220.0110.04312.68
5.3.210.0090.04412.68
5.3.200.0070.04012.68
5.3.190.0080.03712.68
5.3.180.0070.04512.68
5.3.170.0080.03812.67
5.3.160.0060.03712.68
5.3.150.0040.04012.67
5.3.140.0080.03712.66
5.3.130.0070.03912.66
5.3.120.0060.04112.65
5.3.110.0070.03912.66
5.3.100.0050.03812.13
5.3.90.0050.04312.11
5.3.80.0050.04212.09
5.3.70.0100.04312.09
5.3.60.0070.03812.09
5.3.50.0060.04312.02
5.3.40.0080.03612.02
5.3.30.0070.03811.98
5.3.20.0070.03811.76
5.3.10.0060.04411.74
5.3.00.0040.03811.72
5.2.170.0070.0329.22
5.2.160.0080.0299.21
5.2.150.0030.0329.21
5.2.140.0060.0319.21
5.2.130.0060.0279.18
5.2.120.0080.0309.17
5.2.110.0070.0419.18
5.2.100.0060.0339.18
5.2.90.0090.0319.18
5.2.80.0060.0309.18
5.2.70.0070.0289.17
5.2.60.0040.0309.13
5.2.50.0050.0319.09
5.2.40.0070.0289.07
5.2.30.0040.0309.05
5.2.20.0020.0319.04
5.2.10.0070.0298.95
5.2.00.0060.0298.81
5.1.60.0070.0218.09
5.1.50.0060.0278.08
5.1.40.0020.0308.06
5.1.30.0040.0268.42
5.1.20.0050.0288.44
5.1.10.0030.0278.16
5.1.00.0060.0288.16
5.0.50.0030.0256.64
5.0.40.0050.0206.50
5.0.30.0060.0326.31
5.0.20.0040.0266.28
5.0.10.0020.0236.26
5.0.00.0050.0306.26
4.4.90.0030.0144.78
4.4.80.0030.0154.75
4.4.70.0020.0164.75
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0010.0264.71
4.4.30.0020.0164.76
4.4.20.0030.0184.85
4.4.10.0080.0214.85
4.4.00.0040.0264.76
4.3.110.0020.0184.66
4.3.100.0030.0214.66
4.3.90.0040.0184.64
4.3.80.0050.0324.58
4.3.70.0010.0194.63
4.3.60.0030.0224.63
4.3.50.0050.0264.63
4.3.40.0020.0264.54
4.3.30.0020.0233.30
4.3.20.0020.0203.27
4.3.10.0020.0153.24
4.3.00.0030.01713.92

preferences:
142.45 ms | 1394 KiB | 7 Q