php步骤:N个字符间插入其它字符的方法

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Release: 2016-06-13 13:14:18
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php方法:N个字符间插入其它字符的方法

最近做一个excel下载功能,为了解决每一列宽度,只能手动调整分行,于是写了一个自动换行的方法

function mbstringtoarray($str,$cut_len,$charset,$inter="<br>") {
  $strlen=mb_strlen($str,$charset);
  $array=array();
  while($strlen){
    $array[]=mb_substr($str,0,$cut_len,$charset);
    $str=mb_substr($str,$cut_len,$strlen-$cut_len,$charset);
    $strlen=mb_strlen($str,$charset);
    
  }
  return implode($inter,$array);
}
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用起来还不错,呵呵,这个也解决了中文字符乱码的问题。

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