3v4l.org

run code in 300+ PHP versions simultaneously
<?php $size=8; $path=(); function danger($a,$b){ for($i=0;$i<count($path);$i++){ if($i==$a) return TRUE; elseif($path[i]==$b) return TRUE; elseif($i==$path[i]&&$a==$b) return TRUE; } return FALSE; } function move($row){ if($row>$size){ for($i=0;$i<count($path);$i++){ echo $path[i],' '; } echo '<br/>'; } else{ for($i=0;$i<size;$i++){ if(!danger($row,$i)){ $path[$row-1]=$i; move($row+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)
5.4.320.0070.03412.50
5.4.310.0060.03712.50
5.4.300.0080.03312.50
5.4.290.0020.04212.49
5.4.280.0040.03612.39
5.4.270.0060.03512.39
5.4.260.0080.03512.39
5.4.250.0070.03712.39
5.4.240.0050.03512.39
5.4.230.0030.04112.38
5.4.220.0050.03512.38
5.4.210.0030.03812.38
5.4.200.0090.04212.38
5.4.190.0070.03412.38
5.4.180.0030.03812.38
5.4.170.0080.03412.38
5.4.160.0090.03212.38
5.4.150.0050.03612.38
5.4.140.0050.03712.07
5.4.130.0060.03612.05
5.4.120.0070.03412.02
5.4.110.0070.03512.01
5.4.100.0040.03412.01
5.4.90.0070.03412.01
5.4.80.0090.03212.01
5.4.70.0070.03212.00
5.4.60.0040.03512.01
5.4.50.0030.03612.01
5.4.40.0050.03412.00
5.4.30.0050.03611.99
5.4.20.0070.03311.98
5.4.10.0050.03411.99
5.4.00.0040.03611.48
5.3.290.0060.03812.80
5.3.280.0070.03512.71
5.3.270.0110.03312.72
5.3.260.0050.03912.72
5.3.250.0060.04112.72
5.3.240.0060.03712.72
5.3.230.0020.04012.71
5.3.220.0060.03512.68
5.3.210.0030.04112.68
5.3.200.0040.03712.68
5.3.190.0030.03812.68
5.3.180.0050.03712.67
5.3.170.0070.03612.67
5.3.160.0060.03612.67
5.3.150.0060.04212.68
5.3.140.0040.04212.66
5.3.130.0070.03812.66
5.3.120.0050.03912.66
5.3.110.0040.04012.66
5.3.100.0040.03812.12
5.3.90.0050.03712.08
5.3.80.0050.03712.07
5.3.70.0040.03912.07
5.3.60.0040.03912.07
5.3.50.0050.03912.00
5.3.40.0060.03712.00
5.3.30.0010.03911.95
5.3.20.0070.04211.72
5.3.10.0090.03611.70
5.3.00.0060.03511.68
5.2.170.0000.0349.18
5.2.160.0050.0309.18
5.2.150.0020.0329.18
5.2.140.0050.0349.18
5.2.130.0020.0319.14
5.2.120.0020.0329.14
5.2.110.0040.0299.14
5.2.100.0070.0259.14
5.2.90.0040.0339.14
5.2.80.0030.0319.14
5.2.70.0060.0389.14
5.2.60.0040.0339.09
5.2.50.0040.0319.06
5.2.40.0050.0289.04
5.2.30.0030.0319.01
5.2.20.0060.0289.00
5.2.10.0070.0278.92
5.2.00.0050.0298.79
5.1.60.0020.0268.06
5.1.50.0030.0268.06
5.1.40.0020.0268.04
5.1.30.0020.0288.40
5.1.20.0040.0268.41
5.1.10.0070.0228.14
5.1.00.0050.0258.14
5.0.50.0040.0226.62
5.0.40.0060.0236.48
5.0.30.0040.0306.29
5.0.20.0020.0206.26
5.0.10.0020.0206.25
5.0.00.0010.0326.23
4.4.90.0030.0154.78
4.4.80.0050.0124.75
4.4.70.0020.0164.76
4.4.60.0010.0174.76
4.4.50.0000.0184.77
4.4.40.0030.0244.71
4.4.30.0030.0184.75
4.4.20.0020.0174.84
4.4.10.0030.0214.85
4.4.00.0020.0254.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0030.0154.64
4.3.80.0020.0274.59
4.3.70.0040.0144.63
4.3.60.0050.0194.63
4.3.50.0040.0204.63
4.3.40.0000.0274.54
4.3.30.0020.0173.28
4.3.20.0010.0173.26
4.3.10.0010.0163.22
4.3.00.0030.01715.63

preferences:
147.13 ms | 1394 KiB | 7 Q