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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::valid 26 déc. 2018 21 fois (PHP 5, PHP 7, PHP 8)
Simple usage example of `CachingIterator::valid ()`. The CachingIterator::valid function is used to check whether the current element being iterated over by a CachingIterator object is valid or not. It returns a boolean value indicating the validity of the current element.
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 ...
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
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 ...
