3v4l.org

run code in 300+ PHP versions simultaneously
<?hh $zero = $f ==> $x ==> $x;$one = $f ==> $x ==> $f($x); $two = $f ==> $x ==> $f($f($x)); $three = $f ==> $x ==> $f($f($f($x))); $five = $f ==> $x ==> $f($f($f($f($f($x))))); $true = $x ==> $y ==> $x; $false = $x ==> $y ==> $y; $if = $f ==> $f; $isZero = $f ==> $f($x ==> $false)($true); $increment = $n ==> $f ==> $x ==> { $a = $n($f); return $f($a($x)); }; $decrement = $n ==> $f ==> $x ==> { $a = $n($g ==> $h ==> $h($g($f))); $b = $a($y ==> $x); return $b($y ==> $y); }; $add = $m ==> $n ==> { $a = $n($increment); return $a($m); }; $subtract = $m ==> $n ==> { $a = $n($decrement); return $a($m); }; $multiply = $m ==> $n ==> { $a = $n($add($m)); return $a($zero); }; $power = $m ==> $n ==> { $a = $n($multiply($m)); return $a($one); }; $pair = $x ==> $y ==> $f ==> { $a = $f($x); return $a($y); }; $car = $p ==> $p($x ==> $y ==> $x); $cdr = $p ==> $p($x ==> $y ==> $y); $a = $multiply($five); $a = $a($two); $b = $increment($a); $c = $increment($b); $d = $increment($c); $e = $increment($d); $f = $increment($e); $g = $increment($f); $h = $increment($g); $i = $increment($h); $j = $increment($i); $k = $increment($j); $l = $increment($k); $m = $increment($l); $n = $increment($m); $o = $increment($n); $p = $increment($o); $q = $increment($p); $r = $increment($q); $s = $increment($r); $t = $increment($s); $u = $increment($t); $v = $increment($u); $w = $increment($v); $x = $increment($w); $y = $increment($x); $z = $increment($y); $A = $increment($z); $B = $increment($A); $C = $increment($B); $D = $increment($C); $E = $increment($D); $F = $increment($E); $G = $increment($F); $H = $increment($G); $I = $increment($H); $J = $increment($I); $K = $increment($J); $L = $increment($K); $M = $increment($L); $N = $increment($M); $O = $increment($N); $P = $increment($O); $Q = $increment($P); $R = $increment($Q); $S = $increment($R); $T = $increment($S); $U = $increment($T); $V = $increment($U); $W = $increment($V); $X = $increment($W); $Y = $increment($X); $Z = $increment($Y); $dot = $increment($Z); $comma = $increment($dot); $exclamationMark = $increment($comma); $questionMark = $increment($exclamationMark); $colon = $increment($questionMark);

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)
8.3.60.0070.00716.63
8.3.50.0070.00922.92
8.3.40.0140.00318.48
8.3.30.0070.01018.79
8.3.20.0000.00720.22
8.3.10.0080.00021.73
8.3.00.0040.00417.25
8.2.180.0140.00716.32
8.2.170.0100.00722.96
8.2.160.0100.00620.35
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00320.82
8.2.110.0090.00022.25
8.2.100.0080.00417.59
8.2.90.0000.00719.05
8.2.80.0060.00317.97
8.2.70.0150.00017.23
8.2.60.0050.00317.80
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0000.00717.97
8.2.20.0000.00817.41
8.2.10.0040.00417.91
8.2.00.0070.00017.47
8.1.280.0140.00325.92
8.1.270.0050.00323.91
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00323.89
8.1.230.0080.00319.15
8.1.220.0020.00517.74
8.1.210.0040.00418.77
8.1.200.0040.00417.00
8.1.190.0030.00617.00
8.1.180.0050.00518.10
8.1.170.0050.00318.64
8.1.160.0070.00021.93
8.1.150.0050.00218.73
8.1.140.0000.00717.32
8.1.130.0000.00717.62
8.1.120.0080.00017.38
8.1.110.0040.00417.20
8.1.100.0000.00717.22
8.1.90.0000.00717.18
8.1.80.0030.00317.21
8.1.70.0000.00717.25
8.1.60.0050.00317.41
8.1.50.0060.00317.33
8.1.40.0040.00417.42
8.1.30.0000.00817.57
8.1.20.0000.00817.57
8.1.10.0040.00417.29
8.1.00.0090.00017.41
8.0.300.0070.00018.77
8.0.290.0000.00716.58
8.0.280.0030.00318.41
8.0.270.0040.00417.18
8.0.260.0040.00418.43
8.0.250.0030.00316.71
8.0.240.0070.00316.78
8.0.230.0030.00316.80
8.0.220.0030.00316.72
8.0.210.0030.00316.73
8.0.200.0000.00716.82
8.0.190.0030.00316.82
8.0.180.0030.00616.74
8.0.170.0020.00516.79
8.0.160.0070.00016.81
8.0.150.0000.00716.76
8.0.140.0040.00716.68
8.0.130.0030.00313.30
8.0.120.0040.00416.64
8.0.110.0040.00516.71
8.0.100.0070.00016.55
8.0.90.0050.00316.77
8.0.80.0060.00916.73
8.0.70.0070.00016.79
8.0.60.0000.00716.61
8.0.50.0030.00516.86
8.0.30.0110.00816.92
8.0.20.0080.01217.40
8.0.10.0000.00716.77
8.0.00.0120.00816.64
7.4.330.0020.00215.09
7.4.320.0000.00616.27
7.4.300.0040.00416.36
7.4.290.0030.00316.35
7.4.280.0000.00816.43
7.4.270.0000.00816.36
7.4.260.0000.00716.36
7.4.250.0040.00416.24
7.4.240.0030.00416.30
7.4.230.0030.00316.54
7.4.220.0130.00716.39
7.4.210.0130.00316.31
7.4.200.0000.00716.46
7.4.160.0060.00916.50
7.4.150.0140.00717.40
7.4.140.0090.01117.86
7.4.130.0080.01016.37
7.4.120.0070.00916.45
7.4.110.0030.01416.37
7.4.100.0100.00716.41
7.4.90.0230.02516.30
7.4.80.0160.00019.39
7.4.70.0070.01016.30
7.4.60.0150.00316.48
7.4.50.0040.00416.26
7.4.40.0100.00616.33
7.4.30.0110.00516.29
7.3.330.0000.00513.23
7.3.320.0000.00513.28
7.3.310.0060.00015.99
7.3.300.0060.00016.21
7.3.290.0080.00616.11
7.3.280.0100.01116.16
7.3.270.0160.00317.40
7.3.260.0060.01316.23
7.3.250.0090.01116.24
7.3.240.0070.01016.29
7.3.230.0070.01016.39
7.3.210.0100.00716.14
7.3.200.0100.01019.39
7.3.190.0120.00816.45
7.3.180.0060.01616.29
7.3.170.0080.00816.30
7.3.160.0060.01016.33
7.2.330.0130.00916.17
7.2.320.0100.00716.54
7.2.310.0060.01016.38
7.2.300.0130.00316.28
7.2.290.0090.01216.45
5.4.320.0040.03812.46
5.4.310.0070.04112.45
5.4.300.0050.04712.46
5.4.290.0050.04012.45
5.4.280.0080.03612.35
5.4.270.0090.03312.35
5.4.260.0100.03612.35
5.4.250.0120.03112.35
5.4.240.0070.03512.35
5.4.230.0070.03612.34
5.4.220.0030.03812.34
5.4.210.0040.03712.34
5.4.200.0080.04112.34
5.4.190.0050.03712.34
5.4.180.0080.03712.34
5.4.170.0040.03812.35
5.4.160.0050.03612.35
5.4.150.0040.03712.34
5.4.140.0060.03712.02
5.4.130.0030.03712.02
5.4.120.0060.03411.97
5.4.110.0060.03911.97
5.4.100.0040.03711.96
5.4.90.0050.03711.96
5.4.80.0080.03511.97
5.4.70.0070.04111.96
5.4.60.0070.03311.96
5.4.50.0080.03311.96
5.4.40.0030.03711.95
5.4.30.0050.03511.95
5.4.20.0050.03611.95
5.4.10.0060.03811.95
5.4.00.0040.03911.44

preferences:
43.21 ms | 400 KiB | 5 Q