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The only difference between CachingIterator and other Iterators such as ArrayIterator is the hasNext() method. Since the data will be loaded into the memory, the CachingIterator is able to check whether the given iterator has a next element.
CachingIterator::getInnerIterator — Returns the inner iterator CachingIterator::hasNext — Check whether the inner iterator has a valid next element CachingIterator::key — Return the key for the current element CachingIterator::next — Move the iterator forward CachingIterator::offsetExists — The offsetExists purpose
Table of Contents CachingIterator::__construct — Construct a new CachingIterator object for the iterator CachingIterator::count — The number of elements in the iterator CachingIterator::current — Return the current element CachingIterator::getCache — Retrieve the contents of the cache CachingIterator::getFlags — Get flags used CachingIterator::hasNext — Check whether the inner ...
Nov 26, 2019 · The CachingIterator::next () function is an inbuilt function in PHP which is used to move the iterator to the forward. Syntax: void CachingIterator::next( void ) Parameters: This function does not accept any parameters. Return Value: This function does not return any value. Below programs illustrate the CachingIterator::next () function in PHP: Program 1:
The CachingIterator class Introduction (PHP 5, PHP 7) This object supports cached iteration over another iterator. Class synopsis CachingIterator extends IteratorIterator implements OuterIterator , ArrayAccess , Countable { /* Constants */ const int CALL_TOSTRING = 1 ; const int CATCH_GET_CHILD = 16 ; const int TOSTRING_USE_KEY = 2 ; const int TOSTRING_USE_CURRENT = 4 ; const int TOSTRING_USE ...
Table of Contents CachingIterator::__construct — Construct a new CachingIterator object for the iterator CachingIterator::count — The number of elements in the iterator CachingIterator::current — Return the current element CachingIterator::getCache — Retrieve the contents of the cache CachingIterator::getFlags — Get flags used CachingIterator::getInnerIterator — Returns the inner ...
CachingIterator::count — The number of elements in the iterator CachingIterator::current — Return the current element CachingIterator::getCache — The getCache purpose CachingIterator::getFlags — Get flags used CachingIterator::getInnerIterator — Returns the inner iterator CachingIterator::hasNext — Check whether the inner iterator has a valid next element CachingIterator::key ...
