<?php
/**
* @package a doubly linked list test
* @author zhaoyingnan<zhaoyn@bbtree.com>
* @copyright
* @version
* @since
**/
/* SplDoublyLinkedList
* 方法
SplDoublyLinkedList implements Iterator , ArrayAccess , Countable
{
public __construct ( void )
public void add ( mixed $index , mixed $newval ) 在指定的索引位置插入值
public mixed bottom ( void ) 查看开始位置的节点
public mixed top ( void ) 查看结束位置的节点
public int count ( void ) 返回所有的元素的数量
public void rewind ( void ) 倒回迭代器的开始
public mixed current ( void ) 返回当前节点的信息
public mixed key ( void ) 返回当前节点的索引
public void setIteratorMode ( int $mode ) 设置迭代的模式
public int getIteratorMode ( void ) 返回迭代的模式
public bool isEmpty ( void ) 检查该双向列表是否是空的
public void next ( void ) 移动到下一个节点
public void prev ( void ) 移动到上一个节点
public bool offsetExists ( mixed $index )
public mixed offsetGet ( mixed $index )
public void offsetSet ( mixed $index , mixed $newval )
public void offsetUnset ( mixed $index )
public mixed pop ( void ) 从双向列表的末尾弹出一个节点
public void push ( mixed $value ) 向双向列表的末尾推入一个元素
public mixed shift ( void ) 从双向列表的头部弹出一个节点
public void unshift ( mixed $value ) 向双向列表的头部插入一个元素
public string serialize ( void )
public void unserialize ( string $serialized )
public bool valid ( void ) 检查双向列表是否有更多的节点
}
*/
$SplDoublyLinkedList = new SplDoublyLinkedList();
$mysqli = new mysqli('114.55.104.117', 'db_writer', 'ka_32^%*ko', 'db_community');
if($mysqli->connect_errno)
exit('Mysql connect error ' . $mysqli->connect_error);
$query = "show tables like '%zhs_user_timeline_%'";
$result = $mysqli->query($query);
if(!$result)
exit('error ' . $mysqli->error);
while($row = $result->fetch_row())
{
//list($arData[]) = array_values($row);
$SplDoublyLinkedList->push($row[0]);
}
$result->close();
$mysqli->close();
echo count($SplDoublyLinkedList), PHP_EOL;
$SplDoublyLinkedList->rewind();
while($SplDoublyLinkedList->valid())
{
var_export($SplDoublyLinkedList->shift());
echo PHP_EOL;
echo count($SplDoublyLinkedList), PHP_EOL;
$SplDoublyLinkedList->next();
}
echo count($SplDoublyLinkedList);
?>
