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)
5.4.340.0080.03112.03
5.4.320.0100.04012.52
5.4.310.0050.04612.51
5.4.300.0120.03812.52
5.4.290.0180.04012.52
5.4.280.0100.03612.41
5.4.270.0110.03412.41
5.4.260.0050.03712.41
5.4.250.0070.04812.41
5.4.240.0090.03512.41
5.4.230.0030.04012.41
5.4.220.0080.04212.40
5.4.210.0040.03712.41
5.4.200.0080.03512.40
5.4.190.0050.04412.40
5.4.180.0060.03412.40
5.4.170.0090.03612.40
5.4.160.0040.03612.40
5.4.150.0050.04412.40
5.4.140.0050.03812.09
5.4.130.0060.03512.07
5.4.120.0070.03512.03
5.4.110.0060.03612.03
5.4.100.0120.03212.03
5.4.90.0070.03712.03
5.4.80.0130.04112.03
5.4.70.0080.03412.03
5.4.60.0130.04012.03
5.4.50.0070.03712.02
5.4.40.0080.03412.02
5.4.30.0080.03212.01
5.4.20.0060.03412.01
5.4.10.0050.03512.01
5.4.00.0060.03811.50
5.3.290.0050.04212.80
5.3.280.0080.04212.71
5.3.270.0060.04312.73
5.3.260.0050.04112.72
5.3.250.0060.03712.72
5.3.240.0080.03712.72
5.3.230.0090.03512.70
5.3.220.0030.03912.68
5.3.210.0040.04412.68
5.3.200.0090.03312.68
5.3.190.0120.03712.67
5.3.180.0110.03412.67
5.3.170.0190.03012.67
5.3.160.0060.03812.68
5.3.150.0080.03512.68
5.3.140.0070.04312.66
5.3.130.0050.03912.66
5.3.120.0050.04412.66
5.3.110.0040.04012.66
5.3.100.0100.03612.12
5.3.90.0080.03412.11
5.3.80.0040.03812.10
5.3.70.0030.03812.10
5.3.60.0040.03812.08
5.3.50.0060.03712.02
5.3.40.0090.03412.02
5.3.30.0060.03411.98
5.3.20.0040.03711.77
5.3.10.0050.03511.73
5.3.00.0050.03711.72
5.2.170.0040.0329.21
5.2.160.0050.0299.21
5.2.150.0070.0309.22
5.2.140.0040.0329.21
5.2.130.0050.0289.18
5.2.120.0070.0259.17
5.2.110.0070.0279.18
5.2.100.0020.0319.18
5.2.90.0080.0259.18
5.2.80.0060.0359.17
5.2.70.0060.0309.17
5.2.60.0050.0299.13
5.2.50.0050.0299.10
5.2.40.0040.0289.07
5.2.30.0050.0289.05
5.2.20.0040.0299.04
5.2.10.0040.0288.95
5.2.00.0040.0328.80
5.1.60.0050.0238.09
5.1.50.0060.0228.09
5.1.40.0060.0228.06
5.1.30.0030.0268.42
5.1.20.0030.0278.44
5.1.10.0060.0238.17
5.1.00.0060.0258.17
5.0.50.0050.0216.64
5.0.40.0030.0196.50
5.0.30.0040.0336.31
5.0.20.0040.0206.28
5.0.10.0030.0206.26
5.0.00.0020.0316.25
4.4.90.0040.0194.77
4.4.80.0060.0164.75
4.4.70.0030.0154.76
4.4.60.0010.0164.75
4.4.50.0040.0144.77
4.4.40.0050.0344.71
4.4.30.0040.0144.76
4.4.20.0030.0214.84
4.4.10.0030.0154.84
4.4.00.0030.0244.76
4.3.110.0000.0184.67
4.3.100.0060.0164.66
4.3.90.0050.0154.63
4.3.80.0030.0244.58
4.3.70.0030.0164.63
4.3.60.0030.0144.62
4.3.50.0020.0164.63
4.3.40.0030.0234.53
4.3.30.0000.0173.30
4.3.20.0030.0193.28
4.3.10.0030.0193.24
4.3.00.0130.01013.71

preferences:
147.53 ms | 1394 KiB | 7 Q