PHP开发时,当你使用empty检查一个函数返回的结果时会报错:Fatal error: Can't use function return value in write context 例如: <?phpecho empty(strlen('be-evil.org')); 到PHP手册里面查看,在empty函数描述的地方有以下文字: Note: empty() only checks variables as anything else will result in a parse error…
(转载)http://be-evil.org/post-153.html PHP开发时,当你使用empty检查一个函数返回的结果时会报错:Fatal error: Can't use function return value in write context 例如: <?phpecho empty(strlen('be-evil.org')); 到PHP手册里面查看,在empty函数描述的地方有以下文字: Note: empty() only checks variables as anyth…
1:Winform应用通过mshtml操作IE浏览器DOM时,第一次运行正常,点击第二次时错误信息如下 A first chance exception of type 'System.Runtime.InteropServices.COMException' occurred in openie01.exe Additional information: 对 COM 组件的调用返回了错误 HRESULT E_FAIL. If there is a handler for this except…