给网站加一个定时发布《每天60s读懂世界》功能

<?php
$date = file_get_contents("https://www.zhihu.com/api/v4/columns/c_1261258401923026944/items");
$date = json_decode($date);
$content = $date->data[0]->content;
$pattern ='<img.*?src="(.*?)">';
preg_match($pattern,$content,$matches);
$src_path = $matches[1];
$src = imagecreatefromstring(file_get_contents($src_path));
$info = getimagesize($src_path);
//裁剪开区域左上角的点的坐标
$x = 0;
$y = 0;
//裁剪区域的宽和高
$width = 720;
$height = 350;
//最终保存成图片的宽和高，和源要等比例，否则会变形
$final_width = 720;
$final_height = round($final_width * $height / $width);
//将裁剪区域复制到新图片上，并根据源和目标的宽高进行缩放或者拉升
$new_image = imagecreatetruecolor($final_width, $final_height);
imagecopyresampled($new_image, $src, 0, 0, $x, $y, $final_width, $final_height, $width, $height);
$ext = pathinfo($src_path, PATHINFO_EXTENSION);
$rand_name = date("Ymd") . "." . $ext;
//创建文件夹保存图片
if (!file_exists("60s")){
    mkdir ("60s",0777,true);
}
imagejpeg($new_image,"60s/".$rand_name);
imagedestroy($src);
imagedestroy($new_image);
$content = strip_tags($content,'<p>');
$content = '<img class="size-full wp-image-156 aligncenter" src="https://[你的域名]/60s/'.$rand_name.'"  width="720" height="350" />'.$content;
require __DIR__ . '/wp-config.php';
global $wpdb;
date_default_timezone_set('PRC');
$post_tag_arr = array();
//先检查文章分类是否存在
$term_taxonomy_id = $wpdb->get_row("SELECT tt.term_taxonomy_id from $wpdb->terms t join $wpdb->term_taxonomy tt on t.term_id = tt.term_id where t.name = '每天60秒读懂世界' and tt.taxonomy = 'category' ")->term_taxonomy_id;
if (!$term_taxonomy_id) {
    $wpdb->query("insert into $wpdb->terms (name,slug,term_group)VALUES('每天60秒读懂世界','60秒','0')");
    $category_id = $wpdb->insert_id;
    $wpdb->query("insert into $wpdb->term_taxonomy (term_id,taxonomy,description,parent,count)VALUES($category_id,'category','','0','1')");
    $term_taxonomy_id = $wpdb->insert_id;
}
$post_tag_arr[] = $term_taxonomy_id;

$html = $content;

//标题
$title = $date->data[0]->title;
//标题存在则不插入
$posts = $wpdb->get_row("SELECT id from $wpdb->posts where post_title = '$title' ");
if (!$posts) {
    $now = current_time('mysql');
    $now_gmt = current_time('mysql', 1);
    $wpdb->insert(
        $wpdb->posts,
        array(
            'post_author' => 1,
            'post_date' => $now,
            'post_date_gmt' => $now_gmt,
            'post_content' => $html,
            'post_title' => $title,
            'post_excerpt' => '',
            'post_status' => 'publish',
            'comment_status' => 'open',
            'ping_status' => 'open',
            'post_password' => '',
            'post_name' => $title,
            'to_ping' => '',
            'pinged' => '',
            'post_modified' => $now,
            'post_modified_gmt' => $now_gmt,
            'post_content_filtered' => '',
            'post_parent' => '0',
            'guid' => '',//文章链接 插入后修改
            'menu_order' => '0',
            'post_type' => 'post',
            'post_mime_type' => '',
            'comment_count' => '0',

        )
    );
    $insertid = $wpdb->insert_id;
    $post_guid = get_option('home') . '/?p=' . $insertid;
    $wpdb->query(" UPDATE $wpdb->posts SET guid=$post_guid where id = $insertid ");

    //插入文章和分类、标签、专题的关系
    $sql = " INSERT INTO $wpdb->term_relationships (object_id,term_taxonomy_id,term_order) VALUES ";
    foreach ($post_tag_arr as $key => $value) {
        $sql .= "($insertid, $value, '0'),";
    }
    $wpdb->query(rtrim($sql, ","));

}