求准确写法

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    while ($row=mysql_fetch_row($result))
    {
      for ($i=0; $i<mysql_num_fields($result); $i++="" )="" {="" echo="" '';="" 这一行，plass="后面应该怎么写才符合规范？" "$row[$i]";="" }="" <="" pre=""></mysql_num_fields($result);>