3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generator_to_array(\Generator $generator) { $yielded = iterator_to_array($generator); return [ 'yielded' => $yielded, 'returned' => $generator->getReturn(), ]; } class test { private $whatever = false; public function __construct() { $a = generator_to_array($this->firstIterator()); $b = generator_to_array($this->secondIterator($this->firstIterator())); $c = generator_to_array($this->thirdIterator($this->firstIterator())); $this->whatever = true; $d = generator_to_array($this->firstIterator()); $e = generator_to_array($this->secondIterator($this->firstIterator())); $f = generator_to_array($this->thirdIterator($this->firstIterator())); var_dump([$a, $b, $c, $d, $e, $f]); } public function firstIterator(): \Iterator { yield 'a'=> 1; yield 'b'=> 2; yield 'c'=> 3; } public function secondIterator(\Iterator $first): \Iterator { if ($this->whatever === true) { return $first; } foreach($first as $key=>$value) { yield $key => $value * $value; } } public function thirdIterator(\Iterator $first): \Iterator { if ($this->whatever === true) { return $first; } return $this->thirdSubIterator($first); } public function thirdSubIterator(\Iterator $first): \Iterator { foreach($first as $key=>$value) { yield $key => $value * $value; } } } new test();

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)
8.3.60.0110.00416.63
8.3.50.0090.00919.70
8.3.40.0070.01118.79
8.3.30.0110.00418.63
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.180.0170.00325.92
8.2.170.0110.00419.09
8.2.160.0070.00722.96
8.2.150.0000.00825.66
8.2.140.0000.00824.66
8.2.130.0150.00426.16
8.2.120.0060.00319.41
8.2.110.0070.00322.30
8.2.100.0110.00017.91
8.2.90.0000.00817.75
8.2.80.0000.00818.92
8.2.70.0000.01017.63
8.2.60.0030.00517.63
8.2.50.0050.00317.93
8.2.40.0040.00418.05
8.2.30.0050.00318.04
8.2.20.0040.00418.04
8.2.10.0020.00519.34
8.2.00.0000.00819.45
8.1.280.0140.00725.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0090.00028.09
8.1.240.0030.00620.29
8.1.230.0060.00717.72
8.1.220.0040.00417.91
8.1.210.0030.00618.77
8.1.200.0030.00617.38
8.1.190.0030.00717.00
8.1.180.0040.00419.13
8.1.170.0060.00317.62
8.1.160.0040.00418.94
8.1.150.0000.00818.93
8.1.140.0000.00820.72
8.1.130.0000.00820.13
8.1.120.0040.00417.49
8.1.110.0080.00017.45
8.1.100.0030.00517.50
8.1.90.0000.00917.45
8.1.80.0040.00417.38
8.1.70.0000.00717.49
8.1.60.0000.00817.54
8.1.50.0000.00817.57
8.1.40.0000.00717.57
8.1.30.0050.00317.60
8.1.20.0000.00817.64
8.1.10.0030.00717.48
8.1.00.0050.00317.55
8.0.300.0070.00019.00
8.0.290.0000.00816.88
8.0.280.0030.00318.52
8.0.270.0070.00018.15
8.0.260.0050.00218.36
8.0.250.0000.00817.13
8.0.240.0030.00617.06
8.0.230.0000.00716.97
8.0.220.0000.00716.99
8.0.210.0000.00816.83
8.0.200.0000.00817.04
8.0.190.0050.00217.11
8.0.180.0070.00016.96
8.0.170.0060.00317.06
8.0.160.0030.00617.00
8.0.150.0070.00016.95
8.0.140.0000.00716.96
8.0.130.0050.00213.38
8.0.120.0080.00017.00
8.0.110.0020.00516.98
8.0.100.0080.00016.88
8.0.90.0040.00417.02
8.0.80.0080.00916.96
8.0.70.0080.00016.96
8.0.60.0000.00817.01
8.0.50.0080.00017.10
8.0.30.0180.00717.30
8.0.20.0090.01217.19
8.0.10.0000.00816.98
8.0.00.0100.01016.66
7.4.330.0030.00315.55
7.4.320.0000.00616.40
7.4.300.0030.00316.64
7.4.290.0040.00416.63
7.4.280.0080.00016.64
7.4.270.0030.00616.54
7.4.260.0000.00613.26
7.4.250.0050.00316.51
7.4.240.0000.00716.55
7.4.230.0000.00716.43
7.4.220.0020.00516.46
7.4.210.0080.00716.58
7.4.200.0040.00416.39
7.4.130.0110.01016.53
7.4.120.0160.00516.45
7.4.110.0110.00816.84
7.4.100.0090.01716.67
7.4.90.0090.00916.24
7.4.80.0060.01115.82
7.4.70.0170.00316.35
7.4.60.0080.01216.19
7.4.50.0110.01416.22
7.4.40.0180.00316.18
7.4.30.0060.01216.21
7.4.20.0110.00716.43
7.4.10.0180.00016.49
7.4.00.0090.00916.20
7.3.330.0040.00416.39
7.3.320.0060.00013.25
7.3.310.0030.00316.37
7.3.300.0040.00416.25
7.3.290.0100.00616.38
7.3.280.0130.00616.43
7.3.260.0090.01016.54
7.3.230.0110.00816.52
7.3.210.0140.00716.32
7.3.200.0110.00716.14
7.3.190.0150.00416.15
7.3.180.0150.00616.34
7.3.170.0090.01216.37
7.3.160.0120.00816.38
7.3.150.0060.01216.30
7.3.140.0070.01016.40
7.3.130.0190.00016.18
7.3.120.0070.01016.39
7.3.110.0100.01016.28
7.3.100.0170.00016.39
7.3.90.0090.00916.53
7.3.80.0150.00416.64
7.3.70.0120.00616.32
7.3.60.0130.00516.05
7.3.50.0060.01416.26
7.3.40.0120.00616.43
7.3.30.0070.01116.36
7.3.20.0090.00916.45
7.3.10.0080.01116.10
7.3.00.0110.00816.38
7.2.330.0100.01016.41
7.2.320.0070.01416.15
7.2.310.0200.00416.40
7.2.300.0140.00716.51
7.2.290.0060.01316.39
7.2.280.0090.00916.50
7.2.270.0040.01416.75
7.2.260.0060.01316.43
7.2.250.0090.00916.80
7.2.240.0120.00716.36
7.2.230.0120.00816.45
7.2.220.0160.00316.77
7.2.210.0130.00616.64
7.2.200.0100.01016.66
7.2.190.0080.01216.62
7.2.180.0160.00316.61
7.2.170.0120.00616.58
7.2.160.0150.00316.60
7.2.150.0080.01116.85
7.2.140.0110.00716.47
7.2.130.0320.00616.67
7.2.120.0200.00016.63
7.2.110.0130.00716.54
7.2.100.0100.01016.54
7.2.90.0110.00716.56
7.2.80.0090.01216.46
7.2.70.0130.00616.73
7.2.60.0150.00316.61
7.2.50.0000.02016.62
7.2.40.0100.01016.52
7.2.30.0130.00816.65
7.2.20.0170.00316.61
7.2.10.0100.01016.67
7.2.00.0090.01216.57

preferences:
57.4 ms | 401 KiB | 5 Q