3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1) function reduce(int $a, int $b, callable $reducer) : int { return $reducer($a, $b); } reduce(1, 2, function($a, $b, $c) { return $a + $b + 'c'; });

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)
5.6.120.0030.04321.15
5.6.110.0000.06720.89
5.6.100.0170.08020.98
5.6.90.0300.06721.00
5.6.80.0170.06720.51
5.6.70.4470.04020.37
5.5.280.0030.04320.88
5.5.270.0030.07720.86
5.5.260.0070.06320.82
5.5.250.0170.06720.76
5.5.240.0300.06320.35
5.4.440.0500.04719.34
5.4.430.0030.06019.60
5.4.420.0200.04319.55
5.4.410.0700.04719.04
5.4.400.0830.04319.14
5.4.390.0800.05019.09
5.4.380.0800.04719.13
5.4.370.0770.05019.16
5.4.360.0800.05019.16
5.4.350.0630.05018.84
5.4.340.0800.06319.11
5.4.320.0670.05319.23
5.4.310.0700.04719.16
5.4.300.0570.06019.01
5.4.290.0600.05318.84
5.4.280.0730.05319.25
5.4.270.0700.05719.31
5.4.260.0770.05319.25
5.4.250.0630.05319.28
5.4.240.0670.04719.28
5.4.230.0600.05318.84
5.4.220.0600.05719.14
5.4.210.0630.05019.11
5.4.200.0800.04717.09
5.4.190.0770.04719.02
5.4.180.0630.05319.01
5.4.170.0800.06719.13
5.4.160.0770.05019.24
5.4.150.0700.05719.14
5.4.140.0770.04716.50
5.4.130.0900.05016.56
5.4.120.0770.05016.45
5.4.110.0730.05016.39
5.4.100.0830.06716.49
5.4.90.0630.05016.46
5.4.80.0700.04016.40
5.4.70.0700.04716.37
5.4.60.0570.05716.52
5.4.50.0670.05016.51
5.4.40.0800.05716.38
5.4.30.0670.04716.46
5.4.20.0670.05016.50
5.4.10.0670.06316.50
5.4.00.0900.04315.99
5.3.290.0900.08014.51
5.3.280.0770.06714.69
5.3.270.0900.04714.55
5.3.260.0670.06714.46
5.3.250.0970.06714.49
5.3.240.1000.04714.48
5.3.230.0930.05714.59
5.3.220.0600.05714.52
5.3.210.1000.06714.55
5.3.200.1170.04714.42
5.3.190.0730.05714.52
5.3.180.0830.06314.57
5.3.170.0500.06314.55
5.3.160.0700.05314.51
5.3.150.1000.05314.55
5.3.140.0870.05314.51
5.3.130.0800.05714.39
5.3.120.0700.05714.50
5.3.110.0400.05714.34
5.3.100.0130.05013.83
5.3.90.0100.05013.86
5.3.80.0200.03714.11
5.3.70.0070.05013.89
5.3.60.0170.05313.88
5.3.50.0130.05313.89
5.3.40.0200.04713.96
5.3.30.0170.05014.00
5.3.20.0270.04013.53
5.3.10.0200.04313.53
5.3.00.0170.05013.62
5.2.170.0200.03711.01
5.2.160.0200.03710.98
5.2.150.0200.03711.16
5.2.140.0100.04310.99
5.2.130.0170.03711.15
5.2.120.0230.04311.26
5.2.110.0200.03710.94
5.2.100.0100.04010.95
5.2.90.0200.03311.12
5.2.80.0070.04710.94
5.2.70.0030.05011.04
5.2.60.0200.03310.99
5.2.50.0130.04711.06
5.2.40.0130.04010.83
5.2.30.0130.04310.80
5.2.20.0170.03310.91
5.2.10.0070.04310.72
5.2.00.0130.03710.73
5.1.60.0030.04010.01
5.1.50.0100.0339.86
5.1.40.0130.0309.95
5.1.30.0200.03310.41
5.1.20.0170.04010.30
5.1.10.0170.0309.96
5.1.00.0130.03710.12
5.0.50.0200.0208.41
5.0.40.0070.0278.34
5.0.30.0000.0508.15
5.0.20.0070.0278.25
5.0.10.0070.0338.09
5.0.00.0070.0438.04
4.4.90.0100.0275.81
4.4.80.0070.0235.80
4.4.70.0070.0235.80
4.4.60.0030.0235.79
4.4.50.0070.0205.87
4.4.40.0030.0375.77
4.4.30.0000.0275.82
4.4.20.0000.0275.85
4.4.10.0030.0275.90
4.4.00.0130.0305.86
4.3.110.0070.0205.68
4.3.100.0070.0275.68
4.3.90.0100.0175.76
4.3.80.0030.0435.70
4.3.70.0100.0275.74
4.3.60.0030.0275.73
4.3.50.0030.0235.72
4.3.40.0170.0375.75
4.3.30.0100.0234.54
4.3.20.0070.0274.44
4.3.10.0030.0304.41
4.3.00.0030.02010.29

preferences:
145.03 ms | 1398 KiB | 7 Q