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php strripos 函数教程

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Release: 2016-06-13 11:16:43
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定义和用法


strripos ( )函数一字符在一符串中出现。

如果存在函数返回成功,否则返回FALSE 。

语法

strripos(string,find,start)


参数    说明

string:必需。指定字符串搜索

find:必需。指定的字符串找

start:任选。指定从何处开始搜寻

好了下面我们来看看strripos的实例教程吧.


echo strripos("Hello world!","WO");


?>

输出结果为6

注意此函数不区别大小写.


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