jjj jjj - 3 years ago 82
PHP Question

How to Insert PHP Code in all WordPress Posts

I need to add my own custom PHP script to all Wordpress pages of my blog.

I am not referring to adding PHP onto a single page (which can be done with a plugin).

Essentially, this is what I need to do:

  • Add a snippet of code directly to Wordpress script that handles
    display of posts.

  • The snippet needs to be able to grab a ID of the post.

Can someone show me the best way to do this?

This is what I need to figure out:

  • Which of the Wordpress php files handles the display of the Wordpress
    posts (is it post-template.php by any chance?)

  • How to grab the Post ID using PHP? I found the page which says this could be the possible way, is that correct way of getting the Post ID?

    $id = get_the_ID();

Answer Source

for single post, it single.php and to get post ID

$post = get_post();
$id = $post->ID;
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