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(PHP 5 >= 5.4.0)
RecursiveCallbackFilterIterator::__construct — Create a RecursiveCallbackFilterIterator from a RecursiveIterator
$iterator
, string $callback
)
Creates a filtered iterator from a RecursiveIterator
using the callback
to determine which
items are accepted or rejected.
iterator
The recursive 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。