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@@ 356-373 (lines=18) @@
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* @param array|string|\Iterator $iterable Additional $iterable parameters may follow |
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* @return MapIterator |
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*/ |
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function map($strategy, $iterable) |
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{ |
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// note, once we stop supporting php 5.5, we can rewrite the code below |
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// to the map(...$iterables) structure. |
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// http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list |
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if (func_num_args() > 2) { |
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$iterables = array_slice(func_get_args(), 2); |
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} else { |
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$iterables = []; |
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} |
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if (!($iterable instanceof ChainInterface)) { |
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$iterable = iterable($iterable); |
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} |
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return call_user_func_array([$iterable, 'map'], array_merge([$strategy], $iterables)); |
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} |
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/** |
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* Select values from the iterator by applying a function to each of the iterator values, i.e., mapping it to the |
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@@ 631-648 (lines=18) @@
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* @param array|string|\Iterator $iterable Additional $iterable parameters may follow |
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* @return ZipIterator |
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*/ |
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function zip($iterable) |
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{ |
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// note, once we stop supporting php 5.5, we can rewrite the code below |
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// to the zip(...$iterables) structure. |
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// http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list |
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if (func_num_args() > 1) { |
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$iterables = array_slice(func_get_args(), 1); |
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} else { |
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$iterables = []; |
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} |
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if (!($iterable instanceof ZipInterface)) { |
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$iterable = iterable($iterable); |
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} |
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return call_user_func_array([$iterable, 'zip'], $iterables); |
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} |
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/** |
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* Returns an iterable with all the elements from $iterable reversed |
zicht /
itertools
