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极资源官方
- 热度7691℃
PS：请将字符串"left" 和 "right"换成要取中间的两边信息。代码如下：
$str="其他内容left我是内容right其他内容";
//方法1
$left= strrpos($str,"left");
$right=strrpos($str,"right");
$right=substr($str,$right);
$str=str_replace($right,"",substr($str,$left););
$str=str_replace("left","",$str);
--------------------
//方法2
$str=strstr($str,"left");
$right=strstr($str,"right");
$str=str_replace("$right","",$str);
$str=str_replace("left","",$str);
---------
//方法3
$leftlen=strlen("left");
$str=substr($str,strpos($str,"left")+$leftlen);
$right=strstr($str,"right");
$str=str_replace($right,"",$str);
---------
//方法4
$leftlen=strlen("left");
$str=substr($str,strpos($str,"left")+$leftlen);
$right=strpos($str,"right");
$right=substr($str,$right);
$str=str_replace($right,"",$str);
------------
//方法5
$strlen=strlen($str);
$leftlen=strpos($str,"left")+strlen("left");
$rightlen=strpos($str,"right");
$str=substr($str,$leftlen,$rightlen-$leftlen);
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