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WP_Media_List_Table::prepare_items()

Source

File: wp-admin/includes/class-wp-media-list-table.php 

public function prepare_items() {
		global $mode, $wp_query, $post_mime_types, $avail_post_mime_types;

		$mode = empty( $_REQUEST['mode'] ) ? 'list' : $_REQUEST['mode'];

		// Exclude attachments scheduled for deletion in the next two hours
		// if they are for zip packages for interrupted or failed updates.
		// See File_Upload_Upgrader class.
		$not_in = array();

		foreach ( _get_cron_array() as $cron ) {
			if ( isset( $cron['upgrader_scheduled_cleanup'] ) ) {
				$details = reset( $cron['upgrader_scheduled_cleanup'] );

				if ( ! empty( $details['args'][0] ) ) {
					$not_in[] = (int) $details['args'][0];
				}
			}
		}

		if ( ! empty( $_REQUEST['post__not_in'] ) && is_array( $_REQUEST['post__not_in'] ) ) {
			$not_in = array_merge( array_values( $_REQUEST['post__not_in'] ), $not_in );
		}

		if ( ! empty( $not_in ) ) {
			$_REQUEST['post__not_in'] = $not_in;
		}

		list( $post_mime_types, $avail_post_mime_types ) = wp_edit_attachments_query( $_REQUEST );

		$this->is_trash = isset( $_REQUEST['attachment-filter'] ) && 'trash' === $_REQUEST['attachment-filter'];

		$this->set_pagination_args(
			array(
				'total_items' => $wp_query->found_posts,
				'total_pages' => $wp_query->max_num_pages,
				'per_page'    => $wp_query->query_vars['posts_per_page'],
			)
		);
	}

Uses

Uses Description
wp-admin/includes/post.php: wp_edit_attachments_query()

Executes a query for attachments. An array of WP_Query arguments can be passed in, which will override the arguments set by this function.
wp-includes/cron.php: _get_cron_array()

Retrieve cron info array option.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_media_list_table/prepare_items