WordPress中如何添加投稿功能

get_var("SELECT`post_date`FROM`$wpdb->posts`ORDERBY`post_date`DESCLIMIT1");
//博客当前最新文章发布时间与要投稿的文章至少间隔120秒。
//可自行修改时间间隔，修改下面代码中的120即可
//相比Cookie来验证两次投稿的时间差，读数据库的方式更加安全
if((date_i18n('U')-strtotime($last_post))点此返回');
}

//表单变量初始化
$name=isset($_POST['tougao_authorname'])?trim(htmlspecialchars($_POST['tougao_authorname'],ENT_QUOTES)):'';
$email=isset($_POST['免费云主机、域名tougao_authoremail'])?trim(htmlspecialchars($_POST['tougao_authoremail'],ENT_QUOTES)):'';
$blog=isset($_POST['tougao_authorblog'])?trim(htmlspecialchars($_POST['tougao_authorblog'],ENT_QUOTES)):'';
$title=isset($_POST['tougao_title'])?trim(htmlspecialchars($_POST['tougao_title'],ENT_QUOTES)):'';
$category=isset($_POST['cat'])?(int)$_POST['cat']:0;
$content=isset($_POST['tougao_content'])?trim(htmlspecialchars($_POST['tougao_content'],ENT_QUOTES)):'';

//表单项数据验证
if(empty($name)||mb_strlen($name)>20){
wp_die('昵称必须填写，且长度不得超过20字。点此返回');
}

if(empty($email)||strlen($email)>60||!preg_match("/^([a-z0-9+_-]+)(.[a-z0-9+_-]+)*@([a-z0-9-]+.)+[a-z]{2,6}$/ix",$email)){
wp_die('Email必须填写，且长度不得超过60字，必须符合Email格式。点此返回');
}

if(empty($title)||mb_strlen($title)>100){
wp_die('标题必须填写，且长度不得超过100字。点此返回');
}

if(empty($content)||mb_strlen($content)>3000||mb_strlen($content)点此返回');
}

$post_content='昵称:'.$name.'
Email:'.$email.'
blog:'.$blog.'
内容:
'.$content;

$tougao=array(
'post_title'=>$title,
'post_content'=>$post_content,
'post_category'=>array($category)
);
//将文章插入数据库
$status=wp_insert_post($tougao);

if($status!=0){
//投稿成功给博主发送邮件
//somebody#example.com替换博主邮箱
//Mysubject替换为邮件标题，content替换为邮件内容
wp_mail("somebody#example.com","Mysubject","content");
wp_die('投稿成功！感谢投稿！点此返回','投稿成功');
}
else{
wp_die('投稿失败！点此返回');
}
}

if(!isset($_SESSION)){
session_start();
session_regenerate_id(TRUE);
}

if(isset($_POST['tougao_form'])&&$_POST['tougao_form']=='send'){
if(empty($_POST['captcha_code'])
||empty($_SESSION['ludou_lcr_secretword'])
||(trim(strtolower($_POST['captcha_code']))!=$_SESSION['ludou_lcr_secretword'])
){
wp_die('验证码不正确！点此返回');
}