comments_open( int|WP_Post $post_id = null )

Whether the current post is open for comments.

Parameters

$post_id

(Optional) Post ID or WP_Post object. Default current post.

Default value: null

Return

(bool) True if the comments are open.

Source

File: wp-includes/comment-template.php 

function comments_open( $post_id = null ) {

	$_post = get_post($post_id);

	$post_id = $_post ? $_post->ID : 0;
	$open = ( 'open' == $_post->comment_status );

	/**
	 * Filters whether the current post is open for comments.
	 *
	 * @since WP-2.5.0
	 *
	 * @param bool $open    Whether the current post is open for comments.
	 * @param int  $post_id The post ID.
	 */
	return apply_filters( 'comments_open', $open, $post_id );
}

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Related

Uses

Uses
Uses Description
wp-includes/plugin.php: apply_filters()

Call the functions added to a filter hook.
wp-includes/post.php: get_post()

Retrieves post data given a post ID or post object.
wp-includes/comment-template.php: comments_open

Filters whether the current post is open for comments.

Used By

Used By
Used By Description
wp-includes/general-template.php: feed_links_extra()

Display the links to the extra feeds such as category feeds.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::create_item_permissions_check()

Checks if a given request has access to create a comment.
wp-includes/comment.php: wp_handle_comment_submission()

Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.
wp-includes/embed.php: print_embed_comments_button()

Prints the necessary markup for the embed comments button.
wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::wp_newComment()

Create new comment.
wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::_prepare_page()

Prepares page data for return in an XML-RPC object.
wp-includes/comment-template.php: comment_form()

Outputs a complete commenting form for use within a template.
wp-includes/comment-template.php: comments_popup_link()

Displays the link to the comments for the current post ID.
wp-includes/comment-template.php: get_comment_reply_link()

Retrieve HTML content for reply to comment link.
wp-includes/comment-template.php: get_post_reply_link()

Retrieve HTML content for reply to post link.
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Changelog

Changelog
Version Description
WP-1.5.0 Introduced.