<?php
//get the methods instance of ArrayAccess
//get the properties instance of ArrayAccess
$reflection = new ReflectionClass('ArrayAccess');
//var_dump($reflection->getMethods());
//var_dump($reflection->getProperties());
class dbTypes implements ArrayAccess{
private $dbtypes = array();
//判定是否存在
public function offsetExists($offset){
return isset($this->dbtypes[$offset]) ? true : false;
}
//获取一个值
public function offsetGet($offset){
if($this->offsetExists($offset)){
return $this->dbtypes[$offset];
}else{
return null;
}
}
//设置一个值
public function offsetSet($offset,$value){
$this->dbtypes[$offset] = $value;
}
//删除一个值
public function offsetUnset($offset){
unset($this->dbtypes[$offset]);
}
}
$types = new dbTypes();
echo $types['nosql'];