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)
5.4.340.0060.03312.02
5.4.320.0040.03712.52
5.4.310.0090.03712.52
5.4.300.0060.03412.52
5.4.290.0060.03612.51
5.4.280.0040.03612.41
5.4.270.0090.03712.41
5.4.260.0060.03612.41
5.4.250.0060.03712.41
5.4.240.0100.03412.41
5.4.230.0060.03912.41
5.4.220.0060.04412.41
5.4.210.0060.03712.41
5.4.200.0040.03912.40
5.4.190.0060.03512.40
5.4.180.0040.03612.40
5.4.170.0070.03312.41
5.4.160.0070.03412.40
5.4.150.0080.03812.40
5.4.140.0070.03412.09
5.4.130.0030.03812.07
5.4.120.0060.03412.04
5.4.110.0070.03912.03
5.4.100.0080.03612.03
5.4.90.0110.04012.03
5.4.80.0040.04212.03
5.4.70.0080.03812.03
5.4.60.0080.03812.03
5.4.50.0050.04012.03
5.4.40.0060.03912.02
5.4.30.0110.03612.01
5.4.20.0070.03412.01
5.4.10.0090.03112.01
5.4.00.0050.03611.50
5.3.290.0080.04012.80
5.3.280.0060.04012.71
5.3.270.0080.03612.73
5.3.260.0080.03612.71
5.3.250.0080.03512.72
5.3.240.0100.03312.72
5.3.230.0060.03912.71
5.3.220.0110.03312.68
5.3.210.0060.04012.68
5.3.200.0070.03612.68
5.3.190.0070.03612.68
5.3.180.0050.03712.67
5.3.170.0060.03612.67
5.3.160.0070.03612.67
5.3.150.0050.03812.67
5.3.140.0060.03612.66
5.3.130.0060.03812.65
5.3.120.0080.03712.66
5.3.110.0060.03912.66
5.3.100.0040.03912.13
5.3.90.0060.04012.11
5.3.80.0120.03312.10
5.3.70.0060.03712.09
5.3.60.0090.03812.08
5.3.50.0070.03512.02
5.3.40.0070.03412.02
5.3.30.0050.03611.98
5.3.20.0070.03411.76
5.3.10.0020.03811.73
5.3.00.0080.03411.71
5.2.170.0060.0339.22
5.2.160.0020.0319.22
5.2.150.0050.0309.22
5.2.140.0060.0319.21
5.2.130.0070.0269.18
5.2.120.0070.0289.17
5.2.110.0060.0289.18
5.2.100.0060.0279.18
5.2.90.0040.0319.18
5.2.80.0070.0279.17
5.2.70.0110.0249.17
5.2.60.0070.0279.13
5.2.50.0060.0289.10
5.2.40.0070.0269.08
5.2.30.0030.0309.05
5.2.20.0020.0389.04
5.2.10.0070.0248.94
5.2.00.0030.0338.80
5.1.60.0050.0258.09
5.1.50.0060.0268.09
5.1.40.0060.0228.07
5.1.30.0040.0258.42
5.1.20.0050.0248.44
5.1.10.0050.0248.16
5.1.00.0040.0258.16
5.0.50.0040.0206.64
5.0.40.0020.0276.50
5.0.30.0040.0336.31
5.0.20.0020.0286.28
5.0.10.0050.0176.26
5.0.00.0050.0286.25
4.4.90.0040.0144.78
4.4.80.0020.0154.75
4.4.70.0020.0154.75
4.4.60.0020.0164.75
4.4.50.0060.0124.77
4.4.40.0020.0254.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0214.85
4.4.00.0030.0264.76
4.3.110.0020.0174.67
4.3.100.0030.0154.66
4.3.90.0030.0144.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0030.0244.54
4.3.30.0040.0193.30
4.3.20.0020.0183.29
4.3.10.0040.0153.24
4.3.00.0100.01713.71

preferences:
140.56 ms | 1398 KiB | 7 Q