未捕获类型错误:PHP from requests方法
我的代码中有PHP7的问题 施工类未捕获类型错误:PHP from requests方法,php,typeerror,php-7,Php,Typeerror,Php 7,我的代码中有PHP7的问题 施工类 class FETCH_STRUCTURE{ const FETCH_ARRAY = 0; const FETCH_OBJECT = 1;} public function setPostDataStructure(FETCH_STRUCTURE $postDataStructure) { $this->postDataStructure = $postDataStructure;
class FETCH_STRUCTURE{
const FETCH_ARRAY = 0;
const FETCH_OBJECT = 1;}
public function setPostDataStructure(FETCH_STRUCTURE $postDataStructure)
{
$this->postDataStructure = $postDataStructure;
}
function getPostDataStructure():FETCH_STRUCTURE {
return $this->postDataStructure;
}
另一类中的方法
class FETCH_STRUCTURE{
const FETCH_ARRAY = 0;
const FETCH_OBJECT = 1;}
public function setPostDataStructure(FETCH_STRUCTURE $postDataStructure)
{
$this->postDataStructure = $postDataStructure;
}
function getPostDataStructure():FETCH_STRUCTURE {
return $this->postDataStructure;
}
从类调用方法
class FETCH_STRUCTURE{
const FETCH_ARRAY = 0;
const FETCH_OBJECT = 1;}
public function setPostDataStructure(FETCH_STRUCTURE $postDataStructure)
{
$this->postDataStructure = $postDataStructure;
}
function getPostDataStructure():FETCH_STRUCTURE {
return $this->postDataStructure;
}
未捕获的TypeError:myClass::getPostDataStructure()的返回值必须实现接口FETCH_结构,返回整数
如何解决此问题?FETCH\u STRUCTURE::FETCH\u ARRAY的值是一个整数(
0
),由FETCH\u STRUCTURE
中的常量定义。您正在将该值传递给setPostDataStructure
方法,该方法将该值(0
)分配给$this->postDataStructure
属性
getPostDataStructure
的返回值被定义为类FETCH\u结构
,但实际上您返回的是整数0
如果要返回整数,则应执行以下操作:
function getPostDataStructure():int {
return $this->postDataStructure;
}
如果您打算返回FETCH_结构
类的实例,则应使用setPostDataStructure
方法设置该类的实例