个回答

• Songo

  2016-06-10 09:44:28

  $str="就是就是"
  
  echo strlen($str);

  //返回12，是因为字符编码是utf-8，检查方法是这样的：

  
  

  <?php

  $string="就是就是";

  $encode = mb_detect_encoding($string, array("ASCII","UTF-8","GB2312","GBK"));

  echo $encode;

  ?>

  
  

  0