求一个加验证是否含有标签并去掉标签得到值的函数标签[en][/en]
我的需求如下
有字符串如一下形势
[en]英文[/en]
[cn]中文[/cn]
当然至于是en还是cn这些标签名我可以自己定义
现在的要求是用PHP判断传入的字符串是否含有指定的标签，如果含有取得标签中值
function filteWord($word,$tag){
if(含有该标签){
return '标签中的值';
}
}
请正则高手完成函数
------解决方案--------------------
$word=
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