rezehnde

<p>Enables the user to search by Post ID using the built-in search in all website. Works for all kinds of posts (posts, pages, custom post types and media).</p>
<h4>Features:</h4>
<ul>
<li>Works for all kinds of posts (regular posts, pages, custom post types and media).</li>
<li>No configuration needed.</li>
<li>Doesn’t add javascript or css; it has virtually no impact whatsoever.</li>
<li>Front-end and back-end functionality.</li>
<li>Doesn’t add any options or tables to the database.</li>
</ul>
<h4>How to use it:</h4>
<p>Simply enter an ID into the search field. If a post with that ID is found, it will show up in the search result.</p>
<p>You can even enter a list of IDs if you want to search multiple IDs. For instance “100, 200, 300”.</p>


Search by Post ID

Enables the user to search by post ID using the built-in search within the control panel. Works for all kinds of posts.

Sergey Biryukov

<p>Adds parent comment ID meta box to a comment editing page. Use to make existing comments threaded.</p>


Edit Parent Comment ID

Instead, I advise you to use this plugin Change Comment Parent



New alternative to this plug-in

Adds parent comment ID meta box to a comment editing page.

Search by Post ID vs Edit Parent Comment ID