Ds\Map::reduce
Ds\Map::reduce
(PECL ds >= 1.0.0)
Ds\Map::reduce — Reduces the map to a single value using a callback function.
Description
public mixed Ds\Map::reduce ( callable $callback [, mixed $initial ] )
Reduces the map to a single value using a callback function.
Parameters
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callback -
mixed callback ( mixed $carry , mixed $key , mixed $value )
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carry
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