3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Roman { public $dividorsBelowTen = [0 => "", 1 => "I", 2 => "II", 3 => "III", 4 => "IV", 5 => "V", 6 => "VI", 7 => "VII", 8 => "VIII", 9 => "IX"]; public $dividorsTen = [0 => "", 1 => "X", 2 => "XX", 3 => "XXX", 4 => "XL", 5 => "L", 6 => "LX", 7 => "LXX", 8 => "LXXX", 9 => "XC"]; public $dividorsHundreds = [0 => "", 1 => "C", 2 => "CC", 3 => "CCC", 4 => "CD", 5 => "D", 6 => "DC", 7 => "DCC", 8 => "DCCC", 9 => "CM",]; public $dividorsThousands = [1 => "M", 2 => "MM", 3 => "MMM", 4 => "MMMM"]; public function transform($in) { if ($in >= 1000) { $thousand = (int)($in / 1000); $hundreds = (int)(($in - $thousand * 1000) / 100); $tens = (int)(($in - $thousand * 1000 - $hundreds * 100) / 10); $once = ($in - $thousand * 1000 - $hundreds * 100 - $tens * 10); return $this->dividorsThousands[$thousand] . $this->dividorsHundreds[$hundreds] . $this->dividorsTen[$tens] . $this->dividorsBelowTen[$once]; } else if ($in >= 100) { $hundreds = (int)($in / 100); $tens = (int)(($in - $hundreds * 100) / 10); $once = ($in - $hundreds * 100 - $tens * 10); return $this->dividorsHundreds[$hundreds] . $this->dividorsTen[$tens] . $this->dividorsBelowTen[$once]; } else if ($in >= 10) { $once = $in % 10; $tens = (int)($in / 10); return $this->dividorsTen[$tens] . $this->dividorsBelowTen[$once]; } else { return $this->dividorsBelowTen[$in]; } } } $r = new Roman(); for ($j=0;$j<10;j++{ for ($i = 1; $i < 5000; $i++) { $r->transform($i); }}

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)
5.4.320.0070.03512.53
5.4.310.0040.04012.53
5.4.300.0060.04212.53
5.4.290.0080.03612.53
5.4.280.0060.03612.42
5.4.270.0070.03512.42
5.4.260.0050.03912.42
5.4.250.0060.04312.42
5.4.240.0060.03712.43
5.4.230.0020.04212.41
5.4.220.0090.03312.41
5.4.210.0070.03412.41
5.4.200.0080.03512.41
5.4.190.0070.03912.41
5.4.180.0080.04112.41
5.4.170.0020.04112.42
5.4.160.0060.03712.41
5.4.150.0060.03812.41
5.4.140.0060.03812.10
5.4.130.0050.04012.08
5.4.120.0090.05112.05
5.4.110.0080.04312.04
5.4.100.0090.04412.05
5.4.90.0080.04012.04
5.4.80.0070.05012.05
5.4.70.0040.03712.05
5.4.60.0040.03712.04
5.4.50.0090.03212.04
5.4.40.0050.03512.03
5.4.30.0050.03812.03
5.4.20.0060.03512.02
5.4.10.0060.03512.03
5.4.00.0030.03911.52
5.3.290.0070.03912.80
5.3.280.0050.03812.71
5.3.270.0040.04012.72
5.3.260.0060.03912.72
5.3.250.0070.03612.72
5.3.240.0060.03812.72
5.3.230.0060.03912.71
5.3.220.0080.03612.68
5.3.210.0040.04112.68
5.3.200.0070.03612.68
5.3.190.0050.03812.68
5.3.180.0070.03512.68
5.3.170.0060.03712.67
5.3.160.0070.03612.67
5.3.150.0090.04012.67
5.3.140.0060.04112.66
5.3.130.0070.04012.66
5.3.120.0090.05112.66
5.3.110.0090.04012.66
5.3.100.0080.04012.12
5.3.90.0050.03712.10
5.3.80.0090.03612.09
5.3.70.0050.03812.09
5.3.60.0030.04112.07
5.3.50.0070.03512.02
5.3.40.0060.03612.02
5.3.30.0040.03711.98
5.3.20.0070.03411.75
5.3.10.0040.03711.73
5.3.00.0070.03511.71
5.2.170.0040.0319.21
5.2.160.0070.0269.21
5.2.150.0050.0339.22
5.2.140.0070.0289.21
5.2.130.0040.0299.17
5.2.120.0040.0309.17
5.2.110.0040.0309.18
5.2.100.0050.0289.18
5.2.90.0080.0269.17
5.2.80.0060.0309.17
5.2.70.0030.0329.16
5.2.60.0040.0319.13
5.2.50.0070.0279.10
5.2.40.0080.0259.07
5.2.30.0040.0309.04
5.2.20.0040.0289.03
5.2.10.0050.0278.95
5.2.00.0050.0288.80
5.1.60.0040.0248.09
5.1.50.0080.0228.09
5.1.40.0050.0238.06
5.1.30.0060.0248.41
5.1.20.0030.0288.43
5.1.10.0010.0308.16
5.1.00.0030.0288.16
5.0.50.0040.0206.63
5.0.40.0030.0206.50
5.0.30.0030.0326.31
5.0.20.0050.0196.27
5.0.10.0060.0176.26
5.0.00.0040.0306.25
4.4.90.0040.0144.77
4.4.80.0050.0134.76
4.4.70.0010.0174.76
4.4.60.0020.0164.75
4.4.50.0030.0144.77
4.4.40.0040.0234.71
4.4.30.0020.0164.76
4.4.20.0040.0144.84
4.4.10.0030.0164.85
4.4.00.0030.0254.76
4.3.110.0020.0174.67
4.3.100.0040.0144.67
4.3.90.0010.0174.63
4.3.80.0070.0204.58
4.3.70.0060.0114.63
4.3.60.0020.0154.63
4.3.50.0050.0134.63
4.3.40.0030.0244.54
4.3.30.0010.0173.30
4.3.20.0030.0153.28
4.3.10.0030.0153.24
4.3.00.0100.01314.28

preferences:
141.2 ms | 1394 KiB | 7 Q