How does wordpress get the article title content introduction through the ID of the current article?

#How does wordpress get the article title content introduction through the ID of the current article?

Wordpress uses the ID of the current article to obtain article information. In the secondary development of WordPress, the previous article mentioned that getting the current article ID and getting the number of comments on the current article are, in fact, As long as you get the ID of the current article, you can get a lot of information!

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The code is as follows:

<?php $id=//这里是文章的ID 
$comment_count = get_post($id)->comment_count; 
echo $comment_count;//输出当前id文章的评论数 
?>

You can pass get_post($id)-> The information obtained is:

post_author: (integer) The number of the author of the article

post_data: (Character) The date and time the article was published (YYYY-MM-DD HH-MM-SS)

post_data_gmt: (Characters) Greenwich Mean Time (GMT) when the article was published (YYYY-MM-DD HH-MM-SS)

post_content: (Characters) Article content

post_title: (character) post title

post_category: (integer) number of post category. Note: This value is always 0 in versions after WordPress 2.1. You can use the get_the_category() function when defining the category of an article.

post_excerpt: (Characters) Article summary

post_status: (Characters) Article status (publish|pending|draft|private|static|object|attachment|inherit|future)

comment_status: (character) comment status (open|closed|registered_only)

ping_status: (character) pingback/trackback status (open|closed)

post_password: (character) article password

post_name: (character) URL nesting of the article

to_ping: (character) URL link to be quoted

pinged: (character) quoted link

post_modified: (Characters) The last modified time of the article (YYYY-MM-DD HH-MM-SS)

post_modified_gmt: (Characters) The last modified GMT time of the article (YYYY-MM-DD HH-MM-SS)

post_parent: (integer) Parent article number (for attachments, etc.)

guid: (Character) A link to the article. Note: You cannot use a GUID as a permanent link (although it was indeed treated as a permanent link in versions prior to 2.5), nor as an available link to an article. A GUID is a unique identifier that currently happens to be a link to an article.

post_type: (Character) (Log | Page | Attachment)

post_mime_type: (Character) Mime type (for attachments, etc.)

comment_count: (Integer) Total number of comments

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