php入门教程:stripos 实例教程
定义和用法
该stripos ( )函数返回位置,首次出现了字串的开始位置。
如果字符串是没有发现,此功能返回FALSE 。
stripos(string,find,start)
参数 说明
string: 必须先,
find: 必须要查找的字符串
start: Optional. Specifies where to begin the search
好了下面我们来看看.stripos例子.
echo stripos("Hello world!","WO");
?>
输出结果为.
6
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