php nl2br和br2nl 处理textarea换行

添加保存：
htmlsafereplace(nl2br(get_post('futitle')));

编辑及保存
echo br2nl(htmlspecialchars_decode($article['futitle']));
htmlsafereplace(nl2br(get_post('futitle'))); 

php br2nl函数

function br2nl($text){
    $text=preg_replace('/<br\\s*?\/??>/i',chr(13),$text);
    return preg_replace('/ /i',' ',$text);
}

php  nl2br和br2nl 处理textarea 换行

 echo nl2br(htmlspecialchars_decode($zdfwv['futitle']));