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 (string) $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)
8.3.60.0070.01118.32
8.3.50.0130.00921.13
8.3.40.0110.00418.82
8.3.30.0070.00719.11
8.3.20.0000.00720.38
8.3.10.0050.00521.68
8.3.00.0040.00423.67
8.2.180.0130.01018.41
8.2.170.0140.00722.96
8.2.160.0060.01222.14
8.2.150.0070.01124.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00517.63
8.2.110.0030.00620.81
8.2.100.0080.00417.75
8.2.90.0040.00419.22
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0000.00818.04
8.2.50.0050.00318.07
8.2.40.0060.00321.04
8.2.30.0000.00819.75
8.2.20.0070.00017.62
8.2.10.0030.00517.98
8.2.00.0040.00418.12
8.1.280.0040.01425.92
8.1.270.0060.00320.14
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0030.00623.80
8.1.230.0060.00617.76
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0040.00418.58
8.1.160.0080.00023.85
8.1.150.0070.00018.74
8.1.140.0040.00417.40
8.1.130.0030.00517.55
8.1.120.0050.00317.45
8.1.110.0040.00417.38
8.1.100.0000.00717.30
8.1.90.0040.00417.27
8.1.80.0000.00717.40
8.1.70.0000.00717.45
8.1.60.0030.00617.41
8.1.50.0040.00417.50
8.1.40.0040.00417.45
8.1.30.0070.00017.37
8.1.20.0050.00317.57
8.1.10.0000.00717.57
8.1.00.0000.00817.39
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.32
8.0.270.0040.00417.20
8.0.260.0030.00717.19
8.0.250.0000.00816.88
8.0.240.0000.00717.02
8.0.230.0070.00016.93
8.0.220.0080.00016.87
8.0.210.0030.00316.91
8.0.200.0070.00016.91
8.0.190.0060.00317.09
8.0.180.0040.00416.97
8.0.170.0040.00416.97
8.0.160.0030.00517.02
8.0.150.0000.00816.95
8.0.140.0000.00716.80
8.0.130.0000.00513.36
8.0.120.0040.00416.97
8.0.110.0040.00416.83
8.0.100.0040.00417.02
8.0.90.0040.00416.99
8.0.80.0160.00716.92
8.0.70.0070.00016.94
8.0.60.0070.00016.94
8.0.50.0040.00416.94
8.0.30.0080.01116.98
8.0.20.0100.01017.40
8.0.10.0000.00816.83
8.0.00.0100.00916.64
7.4.330.0000.00515.15
7.4.320.0030.00316.64
7.4.300.0070.00016.46
7.4.290.0000.00716.53
7.4.280.0050.00216.62
7.4.270.0030.00316.63
7.4.260.0050.00216.40
7.4.250.0070.00016.47
7.4.240.0070.00016.48
7.4.230.0030.00316.60
7.4.220.0000.02016.56
7.4.210.0030.01016.70
7.4.200.0000.00716.64
7.4.160.0070.01516.39
7.4.150.0070.01517.40
7.4.140.0150.00817.86
7.4.130.0070.01116.54
7.4.120.0100.00716.59
7.4.110.0120.00416.59
7.4.100.0030.01716.36
7.4.90.0060.01116.31
7.4.80.0130.00319.39
7.4.70.0070.01016.63
7.4.60.0120.00316.56
7.4.50.0000.00816.73
7.4.40.0060.01516.41
7.4.30.0080.00916.39
7.4.00.0070.01015.05
7.3.330.0000.00613.28
7.3.320.0000.00513.28
7.3.310.0000.00716.18
7.3.300.0030.00316.30
7.3.290.0070.00816.29
7.3.280.0130.00516.27
7.3.270.0030.01317.40
7.3.260.0160.01616.61
7.3.250.0100.01116.48
7.3.240.0090.00616.53
7.3.230.0120.01216.39
7.3.210.0080.00816.52
7.3.200.0060.01116.36
7.3.190.0070.00816.29
7.3.180.0100.00616.19
7.3.170.0130.00916.48
7.3.160.0130.00316.36
7.3.10.0000.01516.61
7.3.00.0000.01016.47
7.2.330.0060.01116.40
7.2.320.0080.00816.29
7.2.310.0030.01416.68
7.2.300.0000.01616.58
7.2.290.0000.01716.54
7.2.130.0070.00716.61
7.2.120.0030.00916.63
7.2.110.0100.00316.82
7.2.100.0070.00416.58
7.2.90.0000.01116.61
7.2.80.0000.01316.64
7.2.70.0030.01016.93
7.2.60.0040.00816.66
7.2.50.0060.00916.66
7.2.40.0060.00916.43
7.2.30.0070.00316.96
7.2.20.0030.00616.71
7.2.10.0000.01216.88
7.2.00.0100.00617.94
7.1.250.0000.00715.63
7.1.200.0060.00315.64
7.1.100.0050.00518.06
7.1.70.0050.00516.99
7.1.60.0090.01619.42
7.1.50.0040.01616.85
7.1.00.0000.08022.45
7.0.200.0030.00716.68
7.0.60.0000.06720.05
7.0.50.0070.07717.85
7.0.40.0100.08720.18
7.0.30.0270.05320.26
7.0.20.0200.04320.18
7.0.10.0070.05720.06
7.0.00.0200.05720.15
5.6.280.0030.03720.91
5.6.210.0070.08320.65
5.6.200.0070.08718.19
5.6.190.0070.04720.61
5.6.180.0400.07320.50
5.6.170.0270.08020.58
5.6.160.0130.07020.54
5.6.150.0100.07718.18
5.6.140.0030.04018.12
5.6.130.0100.03718.14
5.6.120.0100.07021.12
5.6.110.0030.06021.02
5.6.100.0030.04320.98
5.6.90.0000.05020.95
5.6.80.0130.07020.41
5.5.350.0100.06320.50
5.5.340.0070.08317.93
5.5.330.0030.05320.19
5.5.320.0470.07020.30
5.5.310.0300.07320.23
5.5.300.0100.07318.08
5.5.290.0030.05717.95
5.5.280.0230.07020.98
5.5.270.0100.07320.79
5.5.260.0170.06720.80
5.5.250.0130.07720.58
5.5.240.0270.06320.19
5.4.450.0530.04719.39
5.4.440.0370.05719.64
5.4.430.0300.05719.38
5.4.420.0630.05019.57
5.4.410.0630.05319.42
5.4.400.0930.04719.15
5.4.390.0600.06019.29
5.4.380.0600.06018.87
5.4.370.0630.05719.14
5.4.360.0100.06318.88
5.4.350.0200.04319.16
5.4.340.0300.04719.30
5.4.320.0670.05319.29
5.4.310.0730.04319.01
5.4.300.0730.05319.25
5.4.290.0730.04319.05
5.4.280.0730.06019.06
5.4.270.0900.04019.14
5.4.260.0830.04318.84
5.4.250.0600.06318.97
5.4.240.0700.05318.82
5.4.230.0670.05719.14
5.4.220.0800.04719.37
5.4.210.0670.06019.02
5.4.200.0870.04016.82
5.4.190.0700.05718.98
5.4.180.0870.06718.97
5.4.170.0770.05319.22
5.4.160.0800.07319.17
5.4.150.0730.05018.88
5.4.140.0770.04716.45
5.4.130.0900.03316.60
5.4.120.0800.04316.48
5.4.110.0700.05316.48
5.4.100.0700.05716.36
5.4.90.0730.06316.57
5.4.80.0930.04716.43
5.4.70.0970.05716.43
5.4.60.0900.06016.51
5.4.50.0830.05316.36
5.4.40.0970.06716.37
5.4.30.0830.04316.56
5.4.20.0770.05016.47
5.4.10.0970.05316.52
5.4.00.0800.06315.83
5.3.290.0830.05314.75
5.3.280.0830.05014.65
5.3.270.0830.04714.52
5.3.260.0700.06314.83
5.3.250.0900.04014.57
5.3.240.0770.05714.82
5.3.230.1000.06314.50
5.3.220.0830.04714.57
5.3.210.0930.06714.57
5.3.200.0830.04314.48
5.3.190.0770.05014.57
5.3.180.0830.05014.56
5.3.170.0830.04714.57
5.3.160.0870.08314.46
5.3.150.0900.05014.78
5.3.140.0800.04314.52
5.3.130.0870.05014.51
5.3.120.0930.06314.56
5.3.110.0700.06014.57
5.3.100.0970.04314.04
5.3.90.1200.07314.00
5.3.80.0770.06314.02
5.3.70.0830.05714.03
5.3.60.0770.05313.92
5.3.50.0830.05713.85
5.3.40.0830.07014.00
5.3.30.0700.06013.85
5.3.20.0770.05713.61
5.3.10.0900.05013.70
5.3.00.0670.04713.66
5.2.170.0530.04311.10
5.2.160.0300.04711.23
5.2.150.0070.04711.06
5.2.140.0100.05011.00
5.2.130.0100.04311.12
5.2.120.0530.03711.27
5.2.110.0470.05011.18
5.2.100.0870.04311.11
5.2.90.0670.04011.05
5.2.80.0170.04311.10
5.2.70.0200.04010.96
5.2.60.0330.05011.11
5.2.50.0700.05310.92
5.2.40.0830.04010.89
5.2.30.0730.04710.98
5.2.20.0570.04711.02
5.2.10.0630.04710.73
5.2.00.0830.05710.94
5.1.60.0630.05010.23
5.1.50.0470.04310.07
5.1.40.0900.04710.00
5.1.30.0530.03310.25
5.1.20.0500.04310.40
5.1.10.0700.04710.12
5.1.00.0700.03310.09
5.0.50.0300.0278.44
5.0.40.0130.0338.33
5.0.30.0200.0478.06
5.0.20.0130.0278.11
5.0.10.0030.0408.09
5.0.00.0270.0538.14
4.4.90.0170.0335.80
4.4.80.0270.0305.83
4.4.70.0200.0235.82
4.4.60.0300.0135.80
4.4.50.0200.0235.81
4.4.40.0170.0405.86
4.4.30.0130.0235.85
4.4.20.0070.0275.85
4.4.10.0130.0305.91
4.4.00.0130.0275.96
4.3.110.0270.0275.81
4.3.100.0000.0235.72
4.3.90.0030.0235.71
4.3.80.0400.0405.65
4.3.70.0030.0275.79
4.3.60.0000.0275.75
4.3.50.0070.0235.73
4.3.40.0100.0405.63
4.3.30.0070.0204.45
4.3.20.0070.0234.48
4.3.10.0030.0204.40
4.3.00.0000.02710.29

preferences:
31.09 ms | 401 KiB | 5 Q