strrpos 与 strripos用法相同的,下面我们来看看吧.
定义和用法
该strrpos ( )函数判断 find是否会出现在string里面。
这个函数如果存在的成功,否则返回FALSE 。
strrpos 语法
strrpos(string,find,start)
string:必需。指定字符串搜索
find:所需。指定的字符串找到
start:可选。指定从何处开始搜寻
注: strrpos ( )函数是区分大小写
echo strrpos("Hello world!","wo");
?>
输出结果为6
再看一例子.
echo strrpos("WWW.111CN.CN!","cn");
?>
输出为0
知道为什么吗?因为strrpos区别大小小,它与strripos不同的是是否区别大小写.

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