3v4l.org

run code in 300+ PHP versions simultaneously
<?php // thanks to metaultralurker on reddit for inspiration function map(callable $fn, \Traversable $data) { foreach ($data as $v) { yield $fn($v); } } function filter(callable $fn, \Traversable $data) { foreach ($data as $v) { if ($fn($v)) { yield $v; } } } function infinite_range() { $i = 0; while (true) { yield $i++; } } function take($n, \Traversable $data) { $i = 0; foreach ($data as $v) { if ($i++ === $n) { break; } yield $v; } } function reduce(callable $fn, \Traversable $data, $runningTotal = null) { $first = true; foreach ($data as $v) { if (null === $runningTotal && $first) { $runningTotal = $v; continue; } $runningTotal = $fn($runningTotal, $v); $first = false; } return $runningTotal; } $isEven = function ($x) { return $x % 2 == 0; }; $data = take(10, map('floatval', filter($isEven, infinite_range()))); /* var_dump($data->current()); $data->next(); var_dump($data->current()); $data->next(); */ // var_dump(iterator_to_array($data)); $concat = function ($sep, $a, $b) { return $a.$sep.$b; }; $concatComma = function ($a, $b) use ($concat) { return $concat(',', $a, $b); }; var_dump(reduce($concatComma, $data));

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)
8.3.60.0040.01116.34
8.3.50.0190.01017.27
8.3.40.0120.00318.79
8.3.30.0140.00018.93
8.3.20.0040.00418.91
8.3.10.0000.00918.89
8.3.00.0070.00317.75
8.2.180.0100.01016.75
8.2.170.0070.00722.96
8.2.160.0040.01119.00
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00020.88
8.2.110.0060.00320.52
8.2.100.0090.00317.78
8.2.90.0080.00017.88
8.2.80.0090.00018.86
8.2.70.0040.00717.63
8.2.60.0050.00317.63
8.2.50.0030.00517.93
8.2.40.0030.00619.82
8.2.30.0040.00417.83
8.2.20.0110.00017.71
8.2.10.0040.00417.74
8.2.00.0050.00517.81
8.1.280.0140.00725.92
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00322.11
8.1.230.0070.00423.88
8.1.220.0060.00318.69
8.1.210.0060.00318.77
8.1.200.0030.00517.35
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0050.00317.62
8.1.160.0040.00419.07
8.1.150.0050.00318.74
8.1.140.0070.00017.47
8.1.130.0000.00717.84
8.1.120.0040.00417.42
8.1.110.0050.00217.53
8.1.100.0040.00417.53
8.1.90.0050.00317.48
8.1.80.0000.00817.54
8.1.70.0000.00717.50
8.1.60.0000.00917.52
8.1.50.0000.00817.30
8.1.40.0000.00817.54
8.1.30.0040.00417.70
8.1.20.0080.00317.63
8.1.10.0030.00517.53
8.1.00.0000.00817.53
8.0.300.0000.00718.77
8.0.290.0030.00616.75
8.0.280.0050.00318.65
8.0.270.0000.00817.13
8.0.260.0000.00616.91
8.0.250.0070.00017.02
8.0.240.0030.00517.04
8.0.230.0070.00016.96
8.0.220.0030.00317.04
8.0.210.0000.00717.05
8.0.200.0040.00417.10
8.0.190.0100.00016.95
8.0.180.0050.00317.05
8.0.170.0060.00316.88
8.0.160.0030.00517.06
8.0.150.0040.00416.90
8.0.140.0040.00416.92
8.0.130.0000.00513.40
8.0.120.0060.00316.91
8.0.110.0000.00816.84
8.0.100.0070.00017.00
8.0.90.0040.00417.05
8.0.80.0090.01217.03
8.0.70.0080.00016.85
8.0.60.0040.00416.87
8.0.50.0000.00816.85
8.0.30.0100.00817.24
8.0.20.0120.01016.96
8.0.10.0000.00717.11
8.0.00.0130.00916.92
7.4.330.0020.00213.06
7.4.320.0030.00316.44
7.4.300.0000.00616.52
7.4.290.0030.00316.47
7.4.280.0000.00716.52
7.4.270.0070.00016.55
7.4.260.0000.00513.19
7.4.250.0000.00816.65
7.4.240.0000.00716.67
7.4.230.0030.00316.43
7.4.220.0150.00416.63
7.4.210.0060.00916.60
7.4.200.0040.00416.43
7.4.190.0070.00016.72
7.4.160.0030.01316.36
7.4.150.0150.00316.31
7.4.140.0100.00716.53
7.4.130.0100.01016.57
7.4.120.0100.00716.52
7.4.110.0120.01216.50
7.4.100.0140.00616.66
7.4.90.0110.00716.41
7.4.80.0140.00319.39
7.4.70.0110.00716.52
7.4.60.0160.00016.52
7.4.50.0080.00416.58
7.4.40.0140.00316.68
7.4.30.0120.00916.61
7.4.00.0000.01615.24
7.3.330.0060.00013.33
7.3.320.0000.00513.40
7.3.310.0080.00016.35
7.3.300.0030.00316.30
7.3.290.0090.00516.49
7.3.280.0080.01016.46
7.3.270.0030.01416.39
7.3.260.0070.01016.41
7.3.250.0110.01216.40
7.3.240.0160.00516.46
7.3.230.0150.00716.47
7.3.210.0070.01016.42
7.3.200.0000.01616.69
7.3.190.0170.00016.57
7.3.180.0110.00716.62
7.3.170.0080.00816.45
7.3.160.0130.00316.55
7.3.120.0090.00614.81
7.2.330.0170.00316.74
7.2.320.0140.00516.89
7.2.310.0090.00916.43
7.2.300.0060.01116.66
7.2.290.0170.00016.51
7.2.00.0070.01119.28
7.1.100.0040.00817.95
7.1.70.0030.00717.22
7.1.60.0090.01519.30
7.1.50.0140.00716.94
7.1.00.0070.06322.43
7.0.200.0060.00616.48
7.0.140.0100.07021.92
7.0.120.0000.03321.96
7.0.60.0130.05721.84
7.0.50.0000.07317.88
7.0.40.0070.04320.04
7.0.30.0270.04020.19
7.0.20.0200.04320.06
7.0.10.0100.07020.23
7.0.00.0070.05320.19
5.6.280.0100.06720.90
5.6.210.0030.04020.62
5.6.200.0030.06718.23
5.6.190.0170.04720.61
5.6.180.0170.05720.49
5.6.170.0230.03320.38
5.6.160.0070.08718.31
5.6.150.0030.04718.20
5.6.140.0070.06018.21
5.6.130.0070.08318.21
5.6.120.0070.08321.00
5.6.110.0070.09020.97
5.6.100.0100.08020.97
5.6.90.0130.07720.98
5.6.80.0030.04720.41
5.5.350.0070.07720.42
5.5.340.0030.06718.02
5.5.330.0100.03320.20
5.5.320.0330.05320.28
5.5.310.0330.06320.38
5.5.300.0100.03717.96
5.5.290.0130.06318.05
5.5.280.0100.04720.73
5.5.270.0070.05720.65
5.5.260.0100.07320.86
5.5.250.0030.08720.71
5.5.240.0030.07320.20
5.4.450.0130.07319.48
5.4.440.0070.07319.53
5.4.430.0030.07319.19
5.4.420.0070.08019.33
5.4.410.0000.05719.12
5.4.400.0130.07019.12
5.4.390.0100.04319.15
5.4.380.0130.04719.27
5.4.370.0070.06319.16
5.4.360.0070.07719.16
5.4.350.0070.03719.16
5.4.340.0070.05319.12
5.4.320.0070.05718.98
5.4.310.0000.05018.87
5.4.300.0100.04718.99
5.4.290.0070.04719.24
5.4.280.0030.04018.92
5.4.270.0070.04319.24
5.4.260.0030.07018.87
5.4.250.0000.09018.84
5.4.240.0070.04318.84
5.4.230.0130.05019.23
5.4.220.0030.04318.85
5.4.210.0170.06019.12
5.4.200.0130.06319.09
5.4.190.0100.04018.84
5.4.180.0100.05718.84
5.4.170.0100.07319.07
5.4.160.0230.06018.85
5.4.150.0170.06319.13
5.4.140.0100.06716.27
5.4.130.0070.07016.47
5.4.120.0100.07716.29
5.4.110.0100.07316.43
5.4.100.0100.04316.37
5.4.90.0000.07016.30
5.4.80.0000.04016.38
5.4.70.0100.03016.42
5.4.60.0100.07016.27
5.4.50.0130.07016.64
5.4.40.0070.07316.40
5.4.30.0130.07016.34
5.4.20.0030.07316.36
5.4.10.0100.04716.39
5.4.00.0070.05715.86
5.3.290.0030.06314.69
5.3.280.0100.07014.62
5.3.270.0070.04314.65
5.3.260.0070.06314.66
5.3.250.0070.07314.62
5.3.240.0000.08314.61
5.3.230.0130.07314.63
5.3.220.0100.07314.57
5.3.210.0070.07714.57
5.3.200.0030.05014.62
5.3.190.0070.06714.58
5.3.180.0100.05314.56
5.3.170.0070.07714.46
5.3.160.0130.06314.61
5.3.150.0070.05714.61
5.3.140.0100.07014.55
5.3.130.0070.07014.56
5.3.120.0070.08014.61
5.3.110.0070.06014.55
5.3.100.0030.05014.19
5.3.90.0000.04314.03
5.3.80.0030.03714.20
5.3.70.0000.04014.04
5.3.60.0070.07314.15
5.3.50.0070.05714.02
5.3.40.0100.04714.02
5.3.30.0070.06013.95
5.3.20.0100.06713.65
5.3.10.0100.07013.66
5.3.00.0170.05713.79
5.2.170.0000.06711.19
5.2.160.0000.07011.11
5.2.150.0070.06011.14
5.2.140.0030.03711.20
5.2.130.0100.03011.06
5.2.120.0070.05311.10
5.2.110.0070.03711.06
5.2.100.0030.03711.15
5.2.90.0070.03311.25
5.2.80.0030.03711.14
5.2.70.0170.05011.06
5.2.60.0070.04711.04
5.2.50.0070.06311.02
5.2.40.0070.05311.06
5.2.30.0100.05311.02
5.2.20.0100.04710.95
5.2.10.0030.04710.86
5.2.00.0070.06010.67
5.1.60.0130.0339.97
5.1.50.0030.04010.13
5.1.40.0070.03710.12
5.1.30.0000.05710.39
5.1.20.0030.03310.41
5.1.10.0030.05310.11
5.1.00.0070.05710.11
5.0.50.0070.0338.52
5.0.40.0030.0438.45
5.0.30.0070.0608.28
5.0.20.0030.0378.25
5.0.10.0030.0208.15
5.0.00.0070.0438.18
4.4.90.0070.0237.88
4.4.80.0070.0207.88
4.4.70.0070.0337.88
4.4.60.0100.0307.88
4.4.50.0030.0337.88
4.4.40.0000.0577.88
4.4.30.0030.0307.88
4.4.20.0070.0277.88
4.4.10.0030.0237.88
4.4.00.0030.0337.88
4.3.110.0030.0237.88
4.3.100.0100.0277.88
4.3.90.0000.0377.88
4.3.80.0030.0277.88
4.3.70.0000.0237.88
4.3.60.0000.0407.88
4.3.50.0030.0177.88
4.3.40.0070.0207.88
4.3.30.0000.0177.88
4.3.20.0000.0377.88
4.3.10.0100.0237.88
4.3.00.0070.0307.88

preferences:
46.91 ms | 401 KiB | 5 Q