“致命错误：无法重新声明课程” ......但是没有宣布上课 [英] "Fatal error: Cannot redeclare class" ... but the class was not declared

问题描述

（我正在使用Joomla v1.5.15和PHP 5.3.4）

(I'm using Joomla v1.5.15 and PHP 5.3.4)

我已经测试了在这个和其他开发者论坛中找到的解决方案，但我仍然有相同的错误。

I have tested the solutions found in this and others developer forums, but I still having the same error.

要求file => contratolocal.php

Requiring file => contratolocal.php

...
if ( !class_exists('MTIHelperEstadosLocal') )
    JLoader::import('helpers.estados.estadoslocal', JPATH_COMPONENT, false);

class MTIControllerContratoLocal extends MTIController
{
...

必需文件=> estadoslocal.php

Required file => estadoslocal.php

...
class MTIHelperEstadosLocal extends MTIHelperEstados
{
...

JLoader :: import在Joomla中通常用于导入文件到实际的脚本。无论如何，我尝试了include / require_oncephp方法也没有成功。

"JLoader::import" is used normally in Joomla to import files to the actual script. Anyway, I tried "include/require_once" php methods also without success.

我在尝试的每个解决方案中都遇到了同样的错误：

I got the same error with every solution that I tried:

致命错误：无法重新声明类MTIHelperEstadosLocal

"Fatal error: Cannot redeclare class MTIHelperEstadosLocal"

这个类之前没有声明因为我不能使用没有导入的类，如果我打印返回的get_declared_classes（）php方法的数组，这个类不是那里。

The class is not declarated previously becouse I can't use the class without the import and if I print the returned array of the "get_declared_classes()" php method, this class isn't there.

发生了什么？

谢谢

推荐答案

解决。

有2个问题：

1. 在我的项目中有一些帮助器包含其他文件，其中一个先前已经完成了require_once。



2. require_once不能避免第二个包含，我必须在条件中编码每个require_once：

1. In my project there are some helpers that include other files, and one of them has a require_once previously done.

2. The require_once doesn't avoid the second include, and I had to code every require_once in a condition:

if（！class_exists （'MTIHelperEstadosLocal'））

if ( !class_exists('MTIHelperEstadosLocal') )

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