PHP design mode iterator mode, php design mode _ PHP Tutorial

PHP design pattern: Iterator pattern, php design pattern. PHP design pattern: Iterator pattern: php design pattern: Iterator pattern: traverses the internal elements of an aggregate object without having to know the internal implementation. Compared with the traditional PHP design pattern Iterator pattern, php design pattern

The iterator mode traverses the internal elements of an aggregate object without having to know the internal implementation. Compared with the traditional programming mode, the iterator mode can hide the operations required to traverse elements.

AllHacl. php

 Query ('select ID from ha_cl '); $ this-> ids = $ result-> fetch_all (MYSQLI_ASSOC );}
/**
* Returns the current element.
*/Function current () {$ id = $ this-> ids [$ this-> index] ['id']; return Factory: getHacl ($ ID );}
/**
* Move forward to the next element
*/Function next () {$ this-> index ++;}/*** returns the first element of the iterator */function rewind () {$ this-> index = 0;}/*** query whether data exists in the current position */function valid () {return $ this-> index-count ($ this-> ids );}
/**
* Returns the key of the current element.
*/Function key () {return $ this-> index ;}}

Index. php

$hacls = new \Baobab\AllHacl();foreach($hacls as $hacl){    var_dump($hacl->haclname);}

For more information about Hacl, see data object ing mode. Http://www.cnblogs.com/tianxintian22/p/5232016.html

The internal iterator mode is the php design pattern. the iterator mode traverses the internal elements of an aggregate object without having to understand the internal implementation. Compared with traditional editing...