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run code in 300+ PHP versions simultaneously
<?php function generator() { for($i = 0 ; $i <= 20 ; $i++) { yield $i; } } $generator = generator(); $callback = function($value) { return !($value % 2); }; foreach(new CallbackFilterIterator($generator , $callback) as $value) { echo $value."\n"; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
0 2 4 6 8 10 12 14 16 18 20
preferences:
155.56 ms | 408 KiB | 5 Q