3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=8; function fibonacci ($n) { if ($n == 0) { return 0; } else if ($n == 1) { return 1; } else { return fibonacci( $n - 1 ) + fibonacci( $n - 2 ); } } echo "the" ". $a" "term is " .fibonacci($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)
5.4.340.0120.03412.03
5.4.320.0040.03712.52
5.4.310.0090.04312.52
5.4.300.0070.03512.52
5.4.290.0040.03912.52
5.4.280.0070.03412.41
5.4.270.0060.03712.41
5.4.260.0070.03612.41
5.4.250.0060.03612.41
5.4.240.0070.04012.41
5.4.230.0040.03912.41
5.4.220.0040.04212.40
5.4.210.0080.03812.41
5.4.200.0070.04212.40
5.4.190.0090.03412.40
5.4.180.0040.03912.40
5.4.170.0090.03412.41
5.4.160.0060.03612.40
5.4.150.0060.03612.40
5.4.140.0080.03412.09
5.4.130.0030.03712.07
5.4.120.0030.03812.03
5.4.110.0090.03712.03
5.4.100.0070.03412.03
5.4.90.0070.03612.04
5.4.80.0100.03312.03
5.4.70.0060.03412.03
5.4.60.0070.03312.02
5.4.50.0090.03412.03
5.4.40.0060.03412.01
5.4.30.0070.03812.01
5.4.20.0080.03612.00
5.4.10.0090.03112.01
5.4.00.0100.03111.50
5.3.290.0080.03712.80
5.3.280.0060.03712.71
5.3.270.0060.03812.72
5.3.260.0080.03612.72
5.3.250.0090.03912.72
5.3.240.0150.02812.72
5.3.230.0080.03512.70
5.3.220.0060.04412.68
5.3.210.0100.04012.68
5.3.200.0090.03812.68
5.3.190.0050.03912.68
5.3.180.0110.03212.68
5.3.170.0050.03712.67
5.3.160.0090.03312.67
5.3.150.0100.03312.67
5.3.140.0070.03612.66
5.3.130.0060.03712.66
5.3.120.0080.03912.65
5.3.110.0120.03312.66
5.3.100.0080.03512.12
5.3.90.0110.04312.10
5.3.80.0050.04312.09
5.3.70.0110.04112.09
5.3.60.0050.03712.08
5.3.50.0090.03412.02
5.3.40.0080.03512.02
5.3.30.0100.03111.98
5.3.20.0090.03311.77
5.3.10.0070.03411.73
5.3.00.0080.03411.72
5.2.170.0040.0319.21
5.2.160.0060.0379.21
5.2.150.0060.0329.21
5.2.140.0050.0309.21
5.2.130.0040.0299.17
5.2.120.0060.0269.18
5.2.110.0050.0299.18
5.2.100.0040.0299.18
5.2.90.0090.0259.18
5.2.80.0050.0329.18
5.2.70.0040.0329.18
5.2.60.0070.0279.13
5.2.50.0040.0309.10
5.2.40.0080.0259.08
5.2.30.0050.0289.05
5.2.20.0060.0269.04
5.2.10.0050.0348.94
5.2.00.0050.0278.80
5.1.60.0050.0278.09
5.1.50.0080.0238.09
5.1.40.0030.0258.06
5.1.30.0030.0278.42
5.1.20.0060.0248.44
5.1.10.0100.0208.16
5.1.00.0040.0258.17
5.0.50.0070.0216.64
5.0.40.0050.0176.50
5.0.30.0030.0366.31
5.0.20.0040.0186.28
5.0.10.0060.0166.26
5.0.00.0030.0316.25
4.4.90.0050.0134.78
4.4.80.0040.0134.76
4.4.70.0020.0164.75
4.4.60.0050.0154.75
4.4.50.0030.0154.77
4.4.40.0050.0234.71
4.4.30.0030.0154.76
4.4.20.0050.0174.85
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0040.0174.66
4.3.100.0030.0154.66
4.3.90.0020.0154.63
4.3.80.0010.0304.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0040.0214.63
4.3.40.0030.0284.54
4.3.30.0010.0163.30
4.3.20.0010.0173.28
4.3.10.0010.0173.24
4.3.00.0100.02313.71

preferences:
139.55 ms | 1394 KiB | 7 Q