3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Queue { private $queue = []; public function add($var) { $this->queue[] = $var; } public function take(): \Generator { while($var = array_shift($this->queue)) { if($var instanceof Queue) { yield from $var->take(); } else { yield $var; } } } } $subQueue = new Queue(); $subQueue->add('A'); $subQueue->add('B'); $subQueue->add('C'); $queue = new Queue(); $queue->add('a'); $queue->add('b'); $queue->add('c'); $queue->add($subQueue); $queue->add('d'); foreach($queue->take() as $index => $item) { echo $index; if($index === 1) { $queue->add('hello'); } var_dump($item); }

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)
8.4.130.0060.00317.65
8.4.120.0090.01124.17
8.4.110.0040.00522.29
8.4.100.0130.00719.09
8.4.90.0070.01118.82
8.4.80.0100.00318.90
8.4.70.0040.00418.03
8.4.60.0110.00918.76
8.4.50.0130.00717.65
8.4.40.0160.00319.22
8.4.30.0090.00619.39
8.4.20.0160.00317.91
8.4.10.0130.00319.59
8.3.260.0060.00316.63
8.3.250.0110.00718.88
8.3.240.0120.00817.26
8.3.230.0060.00516.69
8.3.220.0110.00518.86
8.3.210.0090.00516.59
8.3.200.0070.00216.53
8.3.190.0110.00516.44
8.3.180.0120.00716.65
8.3.170.0090.00016.61
8.3.160.0070.01117.13
8.3.150.0110.00718.93
8.3.140.0060.00320.57
8.3.130.0060.00318.24
8.3.120.0080.00018.97
8.3.110.0030.00520.94
8.3.100.0030.00716.82
8.3.90.0070.00726.77
8.3.80.0090.00016.75
8.3.70.0150.00016.58
8.3.60.0040.01416.75
8.3.50.0130.00722.11
8.3.40.0130.00318.76
8.3.30.0070.00718.71
8.3.20.0040.00418.63
8.3.10.0070.00721.78
8.3.00.0050.00321.85
8.2.290.0120.00620.16
8.2.280.0070.01316.64
8.2.270.0150.00318.24
8.2.260.0030.00616.91
8.2.250.0090.00016.88
8.2.240.0060.00317.31
8.2.230.0100.00722.58
8.2.220.0100.00324.06
8.2.210.0190.00026.77
8.2.200.0050.00518.29
8.2.190.0140.00416.75
8.2.180.0110.00625.92
8.2.170.0040.01118.94
8.2.160.0100.00319.41
8.2.150.0090.00924.18
8.2.140.0080.00024.66
8.2.130.0070.01126.16
8.2.120.0060.00320.99
8.2.110.0110.00022.26
8.2.100.0000.01317.92
8.2.90.0040.00419.35
8.2.80.0050.00317.97
8.2.70.0050.00317.62
8.2.60.0000.00817.93
8.2.50.0080.00018.10
8.2.40.0060.00320.37
8.2.30.0090.00019.36
8.2.20.0070.00018.08
8.2.10.0000.00818.04
8.2.00.0000.00717.69
8.1.330.0090.01022.15
8.1.320.0120.00716.19
8.1.310.0030.00618.34
8.1.300.0150.00319.69
8.1.290.0000.00930.84
8.1.280.0060.01125.92
8.1.270.0040.00424.66
8.1.260.0090.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00422.54
8.1.230.0040.00819.08
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.01017.35
8.1.190.0040.00419.01
8.1.180.0000.00718.10
8.1.170.0040.00518.85
8.1.160.0080.00023.88
8.1.150.0070.00018.95
8.1.140.0070.00019.62
8.1.130.0000.00717.62
8.1.120.0000.00717.37
8.1.110.0040.00417.36
8.1.100.0050.00217.43
8.1.90.0040.00417.48
8.1.80.0000.00717.45
8.1.70.0070.00017.32
8.1.60.0080.00017.50
8.1.50.0000.00917.55
8.1.40.0050.00517.52
8.1.30.0040.00817.71
8.1.20.0050.00217.61
8.1.10.0040.00417.48
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0050.00218.41
8.0.270.0070.00017.25
8.0.260.0060.00017.16
8.0.250.0000.00816.86
8.0.240.0000.00717.03
8.0.230.0040.00416.82
8.0.220.0030.00316.83
8.0.210.0030.00316.83
8.0.200.0030.00516.92
8.0.190.0080.00016.91
8.0.180.0040.00416.99
8.0.170.0030.00617.00
8.0.160.0040.00317.00
8.0.150.0040.00416.73
8.0.140.0030.00316.89
8.0.130.0080.00013.33
8.0.120.0000.00916.88
8.0.110.0040.00416.86
8.0.100.0000.00716.94
8.0.90.0040.00416.79
8.0.80.0000.01616.86
8.0.70.0030.00616.96
8.0.60.0030.00516.85
8.0.50.0000.00816.93
8.0.30.0100.01017.07
8.0.20.0090.01017.40
8.0.10.0040.00417.09
8.0.00.0090.01316.77
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0060.00016.58
7.4.290.0000.00716.59
7.4.280.0040.00416.52
7.4.270.0030.00316.56
7.4.260.0070.00016.50
7.4.250.0060.00316.51
7.4.240.0000.00716.43
7.4.230.0030.00316.61
7.4.220.0100.01416.47
7.4.210.0090.00916.46
7.4.200.0040.00416.41
7.4.160.0070.00916.54
7.4.150.0150.00317.40
7.4.140.0090.00917.86
7.4.130.0120.00816.57
7.4.120.0090.00816.45
7.4.110.0070.01016.71
7.4.100.0100.00616.57
7.4.90.0120.00616.39
7.4.80.0120.00619.39
7.4.70.0090.00916.64
7.4.60.0070.01116.51
7.4.50.0040.01116.23
7.4.40.0110.00716.49
7.4.30.0050.01316.50
7.4.00.0040.01114.98
7.3.330.0060.00013.19
7.3.320.0020.00213.14
7.3.310.0040.00416.33
7.3.300.0030.00316.38
7.3.290.0030.00316.25
7.3.280.0110.00916.36
7.3.270.0030.01417.40
7.3.260.0070.01316.43
7.3.250.0110.00816.37
7.3.240.0090.00916.43
7.3.230.0070.01116.45
7.3.210.0030.01516.43
7.3.200.0090.00916.54
7.3.190.0170.00016.62
7.3.180.0140.00316.38
7.3.170.0130.00416.38
7.3.160.0060.01216.66
7.3.10.0030.01216.64
7.3.00.0070.00716.67
7.2.330.0170.00016.57
7.2.320.0110.00716.84
7.2.310.0110.00616.54
7.2.300.0090.00916.81
7.2.290.0060.01116.56
7.2.130.0000.01416.91
7.2.120.0030.01016.93
7.2.110.0140.00416.92
7.2.100.0030.01017.07
7.2.90.0030.01417.13
7.2.80.0000.01017.03
7.2.70.0000.01616.94
7.2.60.0020.01417.02
7.2.50.0030.00917.09
7.2.40.0070.00716.95
7.2.30.0060.00616.99
7.2.20.0070.00716.70
7.2.10.0030.00917.00
7.2.00.0060.00718.15
7.1.250.0070.00715.72
7.1.200.0070.00315.75
7.1.100.0030.01018.43
7.1.70.0000.00817.15
7.1.60.0100.00717.43
7.1.50.0170.00717.01
7.1.00.0030.07722.51
7.0.200.0390.00414.84
7.0.120.0030.06322.04
7.0.110.0230.05322.02
7.0.100.0130.05022.04
7.0.90.0130.05722.11
7.0.80.0100.05722.13
7.0.70.0070.05722.10
7.0.60.0070.05721.98
7.0.50.0030.06322.07
7.0.40.0100.05021.98
7.0.30.0100.07722.21
7.0.20.0030.08322.19
7.0.10.0230.07022.11
7.0.00.0170.05022.07
5.6.270.0070.05720.90
5.6.260.0070.05321.13
5.6.250.0100.05021.05
5.6.240.0130.07320.88
5.6.230.0200.05320.85
5.6.220.0200.06320.79
5.6.210.0100.05320.85
5.6.200.0130.05021.04
5.6.190.0130.05321.02
5.6.180.0130.06721.02
5.6.170.0000.06021.09
5.6.160.0300.06021.04
5.6.150.0070.06020.80
5.6.140.0100.05720.96
5.6.130.0170.04720.83
5.6.120.0100.05720.83
5.6.110.0100.06020.82
5.6.100.0130.05321.07
5.6.90.0070.05720.80
5.6.80.0030.05320.13
5.6.70.0170.04720.22
5.6.60.0070.05720.17
5.6.50.0070.05720.41
5.6.40.0070.05720.20
5.6.30.0130.05020.36
5.6.20.0070.06320.32
5.6.10.0100.05020.33
5.6.00.0130.06320.35

preferences:
29.8 ms | 403 KiB | 5 Q