php arrayiterator

SPL provides multiple iterator classes that provide iterative access, filtering data, caching results, and controlling paging. , because PHP is always growing, I try to list all of the iteration classes in SPL. Some of the following iterator classes

One: What is an iteratorThe process of iterating through a linked list or an element in an array in a uniform way is called iterative traversal, which we call an iterator.II: Arrayiterator iterators1:iterator interfaceIterators in PHP are defined by

Php essence php design model 1. select the most appropriate design modeNothing is perfect, and no one has ever said that the design model is a perfect solution. Therefore, you can change these patterns to make them more suitable for your

PHP SPL can be seen in many frameworks and MVC, and PHP SPL accounts for a large proportion of the actual applications. Doubly linked list push (1), $obj->push (2), $obj->push (3); $obj->unshift (10);     Unshifit takes the last element of the

PHP predefined interface. PHP pre-defined interface introduction there are several pre-defined interfaces in PHP. it is also useful for IteratorAggregate (Iterator of aggregate Iterator) IteratorAggregateextendsTraversable PHP pre-defined

Php spl can be seen in many frameworks and MVC. php spl accounts for a large proportion in many practical applications. Two-Way linked list Push (1); $ obj-> push (2); $ obj-> push (3); $ obj-> unshift (10 ); // unshifit occupies the last

PHPSPL can be seen in many frameworks and MVC. PHPSPL accounts for a large proportion in many practical applications. php spl can be seen in many frameworks and MVC, php spl accounts for a large proportion in many practical applications. Two-Way

PHP SPL can be seen in many frameworks and MVC, and PHP SPL accounts for a large proportion of the actual applications. Doubly linked list push (1), $obj->push (2), $obj->push (3); $obj->unshift (Ten) ; Unshifit Replace the header $obj->rewind ()

There are several predefined interfaces in PHP, more commonly used four interfaces (iteratoraggregate (aggregated aggregate iterator iterator),countable, Arrayaccess,iterator) to give you a detailed introduction. Iteratoraggregate (aggregated

Introduction in PHP has several predefined interfaces, but also useful     iteratoraggregate (aggregated aggregate iterator iterator) Iteratoraggregate extends traversable {Abstract public traversable getiterator (void)} This interface implements a