+//
+// Private
+//
+
+/**
+ * Replace hrefs of attachment anchors with up-to-date permalinks.
+ *
+ * @since 2.3.0
+ * @access private
+ *
+ * @param int|object $post Post ID or post object.
+ * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
+ */
+function _fix_attachment_links( $post ) {
+ $post = get_post( $post, ARRAY_A );
+ $content = $post['post_content'];
+
+ // Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
+ if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) )
+ return;
+
+ // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
+ if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) )
+ return;
+
+ $site_url = get_bloginfo('url');
+ $site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s)
+ $replace = '';
+
+ foreach ( $link_matches[1] as $key => $value ) {
+ if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-')
+ || !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
+ || !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) )
+ continue;
+
+ $quote = $url_match[1]; // the quote (single or double)
+ $url_id = (int) $url_match[2];
+ $rel_id = (int) $rel_match[1];
+
+ if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false )
+ continue;
+
+ $link = $link_matches[0][$key];
+ $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
+
+ $content = str_replace( $link, $replace, $content );
+ }
+
+ if ( $replace ) {
+ $post['post_content'] = $content;
+ // Escape data pulled from DB.
+ $post = add_magic_quotes($post);
+
+ return wp_update_post($post);
+ }
+}
+
+/**
+ * Get all the possible statuses for a post_type
+ *
+ * @since 2.5.0
+ *
+ * @param string $type The post_type you want the statuses for
+ * @return array As array of all the statuses for the supplied post type
+ */
+function get_available_post_statuses($type = 'post') {
+ $stati = wp_count_posts($type);
+
+ return array_keys(get_object_vars($stati));
+}
+
+/**
+ * Run the wp query to fetch the posts for listing on the edit posts page
+ *
+ * @since 2.5.0
+ *
+ * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
+ * @return array
+ */
+function wp_edit_posts_query( $q = false ) {
+ if ( false === $q )
+ $q = $_GET;
+ $q['m'] = isset($q['m']) ? (int) $q['m'] : 0;
+ $q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0;
+ $post_stati = get_post_stati();
+
+ if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) )
+ $post_type = $q['post_type'];
+ else
+ $post_type = 'post';
+
+ $avail_post_stati = get_available_post_statuses($post_type);
+
+ if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) {
+ $post_status = $q['post_status'];
+ $perm = 'readable';
+ }
+
+ if ( isset($q['orderby']) )
+ $orderby = $q['orderby'];
+ elseif ( isset($q['post_status']) && in_array($q['post_status'], array('pending', 'draft')) )
+ $orderby = 'modified';
+
+ if ( isset($q['order']) )
+ $order = $q['order'];
+ elseif ( isset($q['post_status']) && 'pending' == $q['post_status'] )
+ $order = 'ASC';
+
+ $per_page = "edit_{$post_type}_per_page";
+ $posts_per_page = (int) get_user_option( $per_page );
+ if ( empty( $posts_per_page ) || $posts_per_page < 1 )
+ $posts_per_page = 20;
+
+ /**
+ * Filter the number of items per page to show for a specific 'per_page' type.
+ *
+ * The dynamic portion of the hook name, `$post_type`, refers to the post type.
+ *
+ * Some examples of filter hooks generated here include: 'edit_attachment_per_page',
+ * 'edit_post_per_page', 'edit_page_per_page', etc.
+ *
+ * @since 3.0.0
+ *
+ * @param int $posts_per_page Number of posts to display per page for the given post
+ * type. Default 20.
+ */
+ $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page );
+
+ /**
+ * Filter the number of posts displayed per page when specifically listing "posts".
+ *
+ * @since 2.8.0
+ *
+ * @param int $posts_per_page Number of posts to be displayed. Default 20.
+ * @param string $post_type The post type.
+ */
+ $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
+
+ $query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page');
+
+ // Hierarchical types require special args.
+ if ( is_post_type_hierarchical( $post_type ) && !isset($orderby) ) {
+ $query['orderby'] = 'menu_order title';
+ $query['order'] = 'asc';
+ $query['posts_per_page'] = -1;
+ $query['posts_per_archive_page'] = -1;
+ $query['fields'] = 'id=>parent';
+ }
+
+ if ( ! empty( $q['show_sticky'] ) )
+ $query['post__in'] = (array) get_option( 'sticky_posts' );
+
+ wp( $query );
+
+ return $avail_post_stati;
+}
+
+/**
+ * Get all available post MIME types for a given post type.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb
+ *
+ * @param string $type
+ * @return mixed
+ */
+function get_available_post_mime_types($type = 'attachment') {