Fatal error: Namespace declaration statement has to be the very first statement or after any declare call in the script in
2017-02-09 10:31
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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:
解决办法:
将页面转为utp-8无dom格式就OK了。以notepad++为例:
代码如下:
1 <?php 2 namespace my\name; // 参考 "定义命名空间" 小节 3 4 5 class MyClass {} 6 function myfunction() {} 7 const MYCONST = 1; 8 9 $a = new MyClass; 10 $c = new \my\name\MyClass; // 参考 "全局空间" 小节 11 12 $a = strlen('hi'); // 参考 "使用命名空间:后备全局函数/常量" 小节 13 14 $d = namespace\MYCONST; // 参考 "namespace操作符和__NAMESPACE__常量" 小节 15 16 $d = __NAMESPACE__ . '\MYCONST'; 17 echo constant($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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