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php中文网手册 发布
(PHP 5 >= 5.4.0)
CallbackFilterIterator::__construct — Create a filtered iterator from another iterator
$iterator
, callable $callback
)
Creates a filtered iterator using the callback to
determine which items are accepted or rejected.
iterator The iterator to be filtered.
callback
The callback, which should return TRUE to accept the current item
or FALSE otherwise.
See Examples.
May be any valid callable value.
没有返回值。