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判断某数组当中是否含有某字符或字符串的函数in_array

WBOY
WBOYOriginal
2016-06-08 17:26:311205browse
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 代码如下 复制代码
    $arr_1=array(
        "index/logo.png",
        "www.111cn.net/play.png",
        "movie/stop.png",
        "game/war_p.png",
        "game/starcaft_p.png",
        "music/fly.png"
    );


    
    $arr_2='index/logo.png';
   
    //怎样将$arr_2在$arr_1出现过的图片复制到"images/"目录下?
   
    //有没有判断某数组当中是否含有某子元素的函数?

 代码如下 复制代码
 if( in_array("hello", array("good","bad","hello")))
 {
  echo 'ture';
 }
 else
 {
  echo 'false';
 }


 //结果 true,找不到返回false

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