get_page_of_comment( int $comment_id, array $args = array() ): int|null
Calculates what page number a comment will appear on for comment paging.
Parameters
-
$comment_idint Required -
Comment ID.
-
$argsarray Optional -
Array of optional arguments.
typestringLimit paginated comments to those matching a given type.
Accepts'comment','trackback','pingback','pings'(trackbacks and pingbacks), or'all'. Default'all'.per_pageintPer-page count to use when calculating pagination.
Defaults to the value of the'comments_per_page'option.max_depthint|stringIf greater than 1, comment page will be determined for the top-level parent$comment_id.
Defaults to the value of the'thread_comments_depth'option.
Default:
array()
Return
int|null Comment page number or null on error.
Source
File: wp-includes/comment.php.
View all references
function get_page_of_comment( $comment_id, $args = array() ) {
global $wpdb;
$page = null;
$comment = get_comment( $comment_id );
if ( ! $comment ) {
return;
}
$defaults = array(
'type' => 'all',
'page' => '',
'per_page' => '',
'max_depth' => '',
);
$args = wp_parse_args( $args, $defaults );
$original_args = $args;
// Order of precedence: 1. `$args['per_page']`, 2. 'comments_per_page' query_var, 3. 'comments_per_page' option.
if ( get_option( 'page_comments' ) ) {
if ( '' === $args['per_page'] ) {
$args['per_page'] = get_query_var( 'comments_per_page' );
}
if ( '' === $args['per_page'] ) {
$args['per_page'] = get_option( 'comments_per_page' );
}
}
if ( empty( $args['per_page'] ) ) {
$args['per_page'] = 0;
$args['page'] = 0;
}
if ( $args['per_page'] < 1 ) {
$page = 1;
}
if ( null === $page ) {
if ( '' === $args['max_depth'] ) {
if ( get_option( 'thread_comments' ) ) {
$args['max_depth'] = get_option( 'thread_comments_depth' );
} else {
$args['max_depth'] = -1;
}
}
// Find this comment's top-level parent if threading is enabled.
if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent ) {
return get_page_of_comment( $comment->comment_parent, $args );
}
$comment_args = array(
'type' => $args['type'],
'post_id' => $comment->comment_post_ID,
'fields' => 'ids',
'count' => true,
'status' => 'approve',
'parent' => 0,
'date_query' => array(
array(
'column' => "$wpdb->comments.comment_date_gmt",
'before' => $comment->comment_date_gmt,
),
),
);
if ( is_user_logged_in() ) {
$comment_args['include_unapproved'] = array( get_current_user_id() );
} else {
$unapproved_email = wp_get_unapproved_comment_author_email();
if ( $unapproved_email ) {
$comment_args['include_unapproved'] = array( $unapproved_email );
}
}
/**
* Filters the arguments used to query comments in get_page_of_comment().
*
* @since 5.5.0
*
* @see WP_Comment_Query::__construct()
*
* @param array $comment_args {
* Array of WP_Comment_Query arguments.
*
* @type string $type Limit paginated comments to those matching a given type.
* Accepts 'comment', 'trackback', 'pingback', 'pings'
* (trackbacks and pingbacks), or 'all'. Default 'all'.
* @type int $post_id ID of the post.
* @type string $fields Comment fields to return.
* @type bool $count Whether to return a comment count (true) or array
* of comment objects (false).
* @type string $status Comment status.
* @type int $parent Parent ID of comment to retrieve children of.
* @type array $date_query Date query clauses to limit comments by. See WP_Date_Query.
* @type array $include_unapproved Array of IDs or email addresses whose unapproved comments
* will be included in paginated comments.
* }
*/
$comment_args = apply_filters( 'get_page_of_comment_query_args', $comment_args );
$comment_query = new WP_Comment_Query();
$older_comment_count = $comment_query->query( $comment_args );
// No older comments? Then it's page #1.
if ( 0 == $older_comment_count ) {
$page = 1;
// Divide comments older than this one by comments per page to get this comment's page number.
} else {
$page = ceil( ( $older_comment_count + 1 ) / $args['per_page'] );
}
}
/**
* Filters the calculated page on which a comment appears.
*
* @since 4.4.0
* @since 4.7.0 Introduced the `$comment_id` parameter.
*
* @param int $page Comment page.
* @param array $args {
* Arguments used to calculate pagination. These include arguments auto-detected by the function,
* based on query vars, system settings, etc. For pristine arguments passed to the function,
* see `$original_args`.
*
* @type string $type Type of comments to count.
* @type int $page Calculated current page.
* @type int $per_page Calculated number of comments per page.
* @type int $max_depth Maximum comment threading depth allowed.
* }
* @param array $original_args {
* Array of arguments passed to the function. Some or all of these may not be set.
*
* @type string $type Type of comments to count.
* @type int $page Current comment page.
* @type int $per_page Number of comments per page.
* @type int $max_depth Maximum comment threading depth allowed.
* }
* @param int $comment_id ID of the comment.
*/
return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args, $comment_id );
}
Hooks
-
apply_filters( 'get_page_of_comment',
int $page ,array $args ,array $original_args ,int $comment_id ) -
Filters the calculated page on which a comment appears.
-
apply_filters( 'get_page_of_comment_query_args',
array $comment_args ) -
Filters the arguments used to query comments in get_page_of_comment() .
Changelog
| Version | Description |
|---|---|
| 2.7.0 | Introduced. |