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关于php处理textarea回车换行替换方法(js调用出错)

WBOY
WBOYOriginal
2016-05-25 16:53:211122browse

在textarea输入框里面chr(13)是代表回车,但当我替换时确实可以我要的字符,但是他显示时回车的地方就会有一个空格,经过反复调试是有一个\n,这个应该是数据库或程序的回车符吧。

<form name="form1" method="post" action=""> 
  <p> 
    <label for="textarea"></label> 
    <textarea name="textarea" id="textarea" cols="45" rows="5"></textarea> 
  </p> 
  <p> 
    <input type="submit" name="button" id="button" value="提交"> 
  </p> 
</form> 
<?php
if( $_post ) 
{ 
    $textarea = str_replace("\n",&#39;&#39;,str_replace(chr(13),&#39;&#39;,$_post[&#39;textarea&#39;])); 
    echo $textarea; 
}


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