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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Idea] Implement using Iterators instead of arrays","articleBody":"Hello,\r\n\r\nI think we can save some time and memory on large data sets by using iterators instead of arrays here:\r\nhttps://github.com/functional-php/parallel/blob/master/src/functions.php#L75\r\n\r\nIf we provide an iterator (from a DB statement for example), we have to traverse it once in the `iterator_to_array` statement, then `array_chunk` make use traverse the data set once more.\r\n\r\nUsing iterators will not be a problem with array, as we already have `\\ArrayIterator` class in SPL.\r\n\r\nMoreover, instead of traversing two arrays here: https://github.com/functional-php/parallel/blob/master/src/functions.php#L59 , we could only traverse it once and apply the two functions in the same time.\r\n\r\nBTW, a major part of the problem has already been solved in this (great) lib from nikic: https://github.com/nikic/iter/ (chunk, map and filter).\r\n\r\nIn the worst case, we could save 3 of 4 iterations. :-)\r\n\r\nWhat do you think of this idea ? :-)","author":{"url":"https://github.com/lovenunu","@type":"Person","name":"lovenunu"},"datePublished":"2016-11-17T11:16:06.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/1/parallel/issues/1"}