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 ==> { returnĀ $f($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)
8.3.60.0100.00316.50
8.3.50.0100.00722.85
8.3.40.0100.00718.54
8.3.30.0100.00318.82
8.3.20.0070.00020.05
8.3.10.0080.00021.59
8.3.00.0060.00317.59
8.2.180.0140.00416.63
8.2.170.0140.00722.96
8.2.160.0140.00420.38
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00821.04
8.2.110.0080.00020.39
8.2.100.0080.00317.53
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0050.00517.50
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0070.00017.93
8.2.20.0030.00517.54
8.2.10.0040.00417.84
8.2.00.0040.00417.41
8.1.280.0070.00725.92
8.1.270.0000.00923.97
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0110.00022.03
8.1.230.0040.00723.88
8.1.220.0070.00017.74
8.1.210.0090.00018.77
8.1.200.0030.00617.23
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0030.00518.51
8.1.160.0000.00721.84
8.1.150.0000.00718.77
8.1.140.0070.00017.27
8.1.130.0000.00717.64
8.1.120.0040.00417.21
8.1.110.0050.00217.19
8.1.100.0080.00017.32
8.1.90.0000.00817.21
8.1.80.0040.00417.21
8.1.70.0030.00317.25
8.1.60.0000.00817.36
8.1.50.0030.00617.27
8.1.40.0000.00817.30
8.1.30.0030.00617.41
8.1.20.0000.00817.48
8.1.10.0040.00417.45
8.1.00.0000.01117.40
8.0.300.0030.00418.77
8.0.290.0060.00316.63
8.0.280.0000.00718.41
8.0.270.0040.00417.18
8.0.260.0030.00318.27
8.0.250.0030.00316.73
8.0.240.0030.00616.82
8.0.230.0070.00016.83
8.0.220.0000.00716.68
8.0.210.0030.00516.61
8.0.200.0060.00016.79
8.0.190.0000.00816.80
8.0.180.0000.00716.85
8.0.170.0040.00416.82
8.0.160.0000.00716.74
8.0.150.0000.00816.56
8.0.140.0060.00316.61
8.0.130.0030.00313.29
8.0.120.0000.00716.73
8.0.110.0000.00816.58
8.0.100.0080.00016.57
8.0.90.0000.00816.57
8.0.80.0050.01016.77
8.0.70.0000.00716.70
8.0.60.0050.00216.70
8.0.50.0070.00016.54
8.0.30.0150.00316.96
8.0.20.0110.00817.40
8.0.10.0040.00416.69
8.0.00.0090.00916.39
7.4.330.0030.00315.08
7.4.320.0030.00316.43
7.4.300.0000.00716.35
7.4.290.0000.00716.36
7.4.280.0000.00716.44
7.4.270.0060.00316.51
7.4.260.0070.00016.34
7.4.250.0000.00816.23
7.4.240.0020.00616.31
7.4.230.0000.00716.11
7.4.220.0060.00916.48
7.4.210.0090.01016.57
7.4.200.0040.00416.27
7.4.160.0080.01216.19
7.4.150.0090.00917.40
7.4.140.0130.00317.86
7.4.130.0140.00316.39
7.4.120.0080.00916.52
7.4.110.0150.00216.27
7.4.100.0110.00716.48
7.4.90.0070.01116.35
7.4.80.0070.01019.39
7.4.70.0090.00616.25
7.4.60.0000.01516.24
7.4.50.0050.00316.29
7.4.40.0140.00316.36
7.4.30.0080.00816.43
7.3.330.0020.00213.14
7.3.320.0060.00013.09
7.3.310.0060.00016.16
7.3.300.0000.00616.15
7.3.290.0060.01016.23
7.3.280.0120.00716.06
7.3.270.0140.00717.40
7.3.260.0060.01116.41
7.3.240.0060.01216.37
7.3.230.0030.01316.41
7.3.210.0160.00616.17
7.3.200.0070.01419.39
7.3.190.0090.01216.05
7.3.180.0080.00916.38
7.3.170.0100.00716.27
7.3.160.0030.01315.99
7.2.330.0110.00716.41
7.2.320.0060.01116.33
7.2.310.0030.01416.57
7.2.300.0060.01016.63
7.2.290.0110.00616.59
5.4.320.0040.03812.45
5.4.310.0070.03712.45
5.4.300.0070.03512.45
5.4.290.0060.03712.45
5.4.280.0070.03412.35
5.4.270.0050.03712.35
5.4.260.0070.03612.35
5.4.250.0070.03712.35
5.4.240.0040.03912.35
5.4.230.0070.03612.34
5.4.220.0070.03612.34
5.4.210.0050.03512.34
5.4.200.0030.03912.34
5.4.190.0100.03712.34
5.4.180.0060.03612.34
5.4.170.0110.03112.35
5.4.160.0060.03612.35
5.4.150.0020.04312.34
5.4.140.0060.03912.03
5.4.130.0050.03712.01
5.4.120.0050.04011.97
5.4.110.0090.03211.97
5.4.100.0070.03711.96
5.4.90.0080.03511.97
5.4.80.0070.03711.96
5.4.70.0110.03011.96
5.4.60.0050.03611.96
5.4.50.0100.03911.96
5.4.40.0070.04011.95
5.4.30.0070.03711.95
5.4.20.0030.03711.95
5.4.10.0060.03411.95
5.4.00.0050.03611.43

preferences:
40.19 ms | 401 KiB | 5 Q