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<?php |
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/** |
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* @copyright Zicht Online <http://zicht.nl> |
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*/ |
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namespace Zicht\Itertools\reductions; |
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use Zicht\Itertools\lib\ChainIterator; |
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use Zicht\Itertools\util\Reductions; |
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/** |
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* Returns a closure that adds two numbers together |
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* |
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* @return \Closure |
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* @deprecated Use \Zicht\Itertools\util\Reductions::add(), will be removed in version 3.0 |
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*/ |
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function add() |
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{ |
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return Reductions::add(); |
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} |
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/** |
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* Returns a closure that subtracts one number from another |
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* |
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* @return \Closure |
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* @deprecated Use \Zicht\Itertools\util\Reductions::sub(), will be removed in version 3.0 |
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*/ |
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function sub() |
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{ |
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return Reductions::sub(); |
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} |
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/** |
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* Returns a closure that multiplies two numbers |
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* |
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* @return \Closure |
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* @deprecated Use \Zicht\Itertools\util\Reductions::mul(), will be removed in version 3.0 |
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*/ |
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function mul() |
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{ |
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return Reductions::mul(); |
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} |
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/** |
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* Returns a closure that returns the smallest of two numbers |
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* |
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* @return \Closure |
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* @deprecated Use \Zicht\Itertools\util\Reductions::min(), will be removed in version 3.0 |
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*/ |
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function min() |
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{ |
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return Reductions::min(); |
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} |
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/** |
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* Returns a closure that returns the largest of two numbers |
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* |
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* @return \Closure |
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* @deprecated Use \Zicht\Itertools\util\Reductions::max(), will be removed in version 3.0 |
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*/ |
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function max() |
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{ |
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return Reductions::max(); |
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} |
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/** |
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* Returns a closure that concatenates two strings using $glue |
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* |
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* @param string $glue |
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* @return \Closure |
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* @deprecated Use \Zicht\Itertools\util\Reductions::join($glue), will be removed in version 3.0 |
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*/ |
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function join($glue = '') |
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{ |
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return Reductions::join($glue); |
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} |
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/** |
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* Returns a closure that chains lists together |
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* |
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* > $lists = [[1, 2, 3], [4, 5, 6]] |
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* > iterable($lists)->reduce(reductions\chain(), new ChainIterator()) |
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* results in a ChainIterator: 1, 2, 3, 4, 5, 6 |
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* |
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* @return \Closure |
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* @deprecated Use iterable($lists)->collapse(), will be removed in version 3.0 |
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*/ |
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function chain() |
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{ |
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return function ($chainIterator, $b) { |
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if (!($chainIterator instanceof ChainIterator)) { |
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throw new \InvalidArgumentException('Argument $A must be a ChainIterator. Did your call "reduce" with "new ChainIterator()" as the initial parameter?'); |
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} |
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$chainIterator->extend($b); |
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return $chainIterator; |
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}; |
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} |
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/** |
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* Returns a reduction closure |
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* |
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* @param string $name |
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* @return \Closure |
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* @throws \InvalidArgumentException |
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* @deprecated please use the reduction functions directly, will be removed in version 3.0 |
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*/ |
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function get_reduction($name) |
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{ |
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if (is_string($name)) { |
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switch ($name) { |
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case 'add': |
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return add(); |
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case 'sub': |
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return sub(); |
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case 'mul': |
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return mul(); |
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case 'min': |
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return min(); |
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case 'max': |
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return max(); |
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case 'join': |
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return call_user_func_array('\Zicht\Itertools\reductions\join', array_slice(func_get_args(), 1)); |
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case 'chain': |
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return chain(); |
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} |
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} |
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throw new \InvalidArgumentException(sprintf('$NAME "%s" is not a valid reduction.', $name)); |
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} |
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/** |
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* Returns a reduction closure |
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* |
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* @param mixed $name |
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* @return \Closure |
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* @throws \InvalidArgumentException |
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* @deprecated please use the reduction functions directly, will be removed in version 3.0 |
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*/ |
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function getReduction($name) // phpcs:ignore Zicht.NamingConventions.Functions.GlobalNaming |
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{ |
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return call_user_func_array('\Zicht\Itertools\reductions\get_reduction', func_get_args()); |
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} |
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zicht /
itertools
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.