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Introduce `$comment_count` param for `WP_Query`. 

This parameter allows querying for posts with a specific value of
`comment_count`. It is also possible to query for posts that match
a `comment_count` comparison by passing an array with 'value' and
'compare' operators (eg `array( 'compare' => '>', 'value' => 5 )`).

Props ramon fincken.
Fixes #28399.
Built from https://develop.svn.wordpress.org/trunk@40978


git-svn-id: http://core.svn.wordpress.org/trunk@40828 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Boone Gorges 2017-07-01 11:25:44 +00:00
parent d6f7788935
commit 848bcf3b28
2 changed files with 30 additions and 1 deletions
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29
wp-includes/class-wp-query.php
View File

@ -641,6 +641,7 @@ class WP_Query {
* Introduced the `$comment_status` and `$ping_status` parameters.
* Introduced `RAND(x)` syntax for `$orderby`, which allows an integer seed value to random sorts.
* @since 4.6.0 Added 'post_name__in' support for `$orderby`. Introduced the `$lazy_load_term_meta` argument.
* @since 4.9.0 Introduced the `$comment_count` parameter.
* @access public
*
* @param string|array $query {
@ -657,6 +658,10 @@ class WP_Query {
* @type array $category__in An array of category IDs (OR in, no children).
* @type array $category__not_in An array of category IDs (NOT in).
* @type string $category_name Use category slug (not name, this or any children).
* @type array|int $comment_count Filter results by comment count. Provide an integer to match
* comment count exactly. Provide an array with integer 'value'
* and 'compare' operator ('=', '!=', '>', '>=', '<', '<=' ) to
* compare against comment_count in a specific way.
* @type string $comment_status Comment status.
* @type int $comments_per_page The number of comments to return per page.
* Default 'comments_per_page' option.
@ -2140,6 +2145,30 @@ class WP_Query {
$whichauthor .= " AND ({$wpdb->posts}.post_author = " . absint($q['author']) . ')';
}
// Matching by comment count.
if ( isset( $q['comment_count'] ) ) {
// Numeric comment count is converted to array format.
if ( is_numeric( $q['comment_count'] ) ) {
$q['comment_count'] = array(
'value' => intval( $q['comment_count'] ),
);
}
if ( isset( $q['comment_count']['value'] ) ) {
$q['comment_count'] = array_merge( array(
'compare' => '=',
), $q['comment_count'] );
// Fallback for invalid compare operators is '='.
$compare_operators = array( '=', '!=', '>', '>=', '<', '<=' );
if ( ! in_array( $q['comment_count']['compare'], $compare_operators, true ) ) {
$q['comment_count']['compare'] = '=';
}
$where .= $wpdb->prepare( " AND {$wpdb->posts}.comment_count {$q['comment_count']['compare']} %d", $q['comment_count']['value'] );
}
}
// MIME-Type stuff for attachment browsing
if ( isset( $q['post_mime_type'] ) && '' != $q['post_mime_type'] ) {

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.9-alpha-40977';
$wp_version = '4.9-alpha-40978';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.