Fatal error: Namespace declaration statement has to be the very first statement or after any declare call in the script in
学习php的命名空间,直接把手册的代码粘贴过来,却报错了:Fatal error: Namespace declaration statement has to be the very first statement or after any declare call in the script in
代码如下:
<?php
namespace my\name; // 参考 "定义命名空间" 小节 class MyClass {}
function myfunction() {}
const MYCONST = 1; $a = new MyClass;
$c = new \my\name\MyClass; // 参考 "全局空间" 小节 $a = strlen('hi'); // 参考 "使用命名空间:后备全局函数/常量" 小节 $d = namespace\MYCONST; // 参考 "namespace操作符和__NAMESPACE__常量" 小节 $d = __NAMESPACE__ . '\MYCONST';
echo constant($d); // 参考 "命名空间和动态语言特征" 小节
解决办法:
将页面转为utp-8无dom格式就OK了。以notepad++为例:

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