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php中调用其他文件中的函数解决办法

Jun 13, 2016 pm 01:35 PM
if php provide quot

php中调用其他文件中的函数
例如:我在common.php中写了一个函数

function get_provide_name($provide, &$pname)
{
if($provide == 0)
{
$pname = "中国移动";
}
else if($provide == 1)
{
$pname = "中国联通";
}
else if($provide == 2)
{
$pname = "中国电信";
}
else
{
$pname = "未知";
}
}

我在a.php中调用这个函数:
get_provide_name($provide, $pname);

如下使用:

'.$pname.'

总是显示方框。是为什么。
我现在只能把这些公共函数拷贝到 a.php中才会正常。



------解决方案--------------------
显示方框???查一下两个文件的编码
------解决方案--------------------
方框如一万米答案

其他建议
第一个 函数使用返回值不要使用&$

第二个 用switch 来控制吧 别这么 if if if 了...

$provide=intval($provide);
switch($provide):
case 0:
return "中国移动";
break;
case 1:
xxxx
break;
...
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