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)
5.4.340.0030.03712.03
5.4.320.0070.03612.52
5.4.310.0060.03812.52
5.4.300.0060.03612.52
5.4.290.0050.03712.52
5.4.280.0050.03512.41
5.4.270.0040.03812.41
5.4.260.0050.03712.41
5.4.250.0050.03712.41
5.4.240.0030.04012.41
5.4.230.0090.03512.41
5.4.220.0070.03512.40
5.4.210.0070.03312.40
5.4.200.0070.03512.40
5.4.190.0060.03812.40
5.4.180.0100.03212.40
5.4.170.0120.03412.40
5.4.160.0060.03412.40
5.4.150.0060.03612.40
5.4.140.0070.03412.09
5.4.130.0090.03112.07
5.4.120.0050.03512.03
5.4.110.0070.03312.03
5.4.100.0110.03012.03
5.4.90.0090.03312.03
5.4.80.0070.03612.03
5.4.70.0120.02812.03
5.4.60.0080.03212.03
5.4.50.0040.03612.03
5.4.40.0060.03512.02
5.4.30.0060.03412.01
5.4.20.0060.03312.00
5.4.10.0080.03112.01
5.4.00.0060.03511.50
5.3.290.0080.03712.80
5.3.280.0110.03512.70
5.3.270.0070.04112.72
5.3.260.0080.03512.72
5.3.250.0090.03312.72
5.3.240.0060.03612.72
5.3.230.0020.04012.71
5.3.220.0050.04412.68
5.3.210.0040.04112.68
5.3.200.0110.03512.68
5.3.190.0050.03712.68
5.3.180.0050.04012.67
5.3.170.0090.03312.67
5.3.160.0020.03912.67
5.3.150.0040.03812.68
5.3.140.0100.03312.66
5.3.130.0060.03912.66
5.3.120.0060.04012.66
5.3.110.0060.04012.66
5.3.100.0020.04512.12
5.3.90.0080.03812.10
5.3.80.0080.03612.09
5.3.70.0050.03812.10
5.3.60.0050.04012.08
5.3.50.0050.03912.02
5.3.40.0070.03412.02
5.3.30.0060.03411.98
5.3.20.0080.03211.77
5.3.10.0040.03511.73
5.3.00.0070.03411.72
5.2.170.0060.0289.21
5.2.160.0070.0299.22
5.2.150.0060.0339.21
5.2.140.0050.0309.21
5.2.130.0040.0299.17
5.2.120.0040.0299.18
5.2.110.0050.0289.18
5.2.100.0070.0259.18
5.2.90.0040.0289.18
5.2.80.0020.0329.18
5.2.70.0080.0269.17
5.2.60.0020.0319.13
5.2.50.0060.0319.10
5.2.40.0030.0299.07
5.2.30.0070.0299.05
5.2.20.0060.0289.04
5.2.10.0040.0278.95
5.2.00.0050.0278.81
5.1.60.0060.0218.09
5.1.50.0040.0258.09
5.1.40.0050.0248.07
5.1.30.0060.0238.42
5.1.20.0070.0228.44
5.1.10.0020.0298.16
5.1.00.0080.0298.17
5.0.50.0040.0206.64
5.0.40.0040.0236.50
5.0.30.0020.0326.31
5.0.20.0040.0206.28
5.0.10.0020.0206.27
5.0.00.0050.0286.25
4.4.90.0010.0174.78
4.4.80.0020.0154.76
4.4.70.0050.0134.76
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0020.0254.71
4.4.30.0040.0144.76
4.4.20.0070.0214.84
4.4.10.0010.0174.85
4.4.00.0030.0314.76
4.3.110.0080.0164.67
4.3.100.0030.0144.67
4.3.90.0030.0284.63
4.3.80.0030.0234.58
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0030.0213.30
4.3.20.0050.0273.28
4.3.10.0040.0223.24
4.3.00.0030.02013.71

preferences:
143.21 ms | 1394 KiB | 7 Q