private static function create_placeholder_image() {
		$placeholder_image = get_option( 'woocommerce_placeholder_image', 0 );

		// Validate current setting if set. If set, return.
		if ( ! empty( $placeholder_image ) ) {
			if ( ! is_numeric( $placeholder_image ) ) {
				return;
			} elseif ( $placeholder_image && wp_attachment_is_image( $placeholder_image ) ) {
				return;
			}
		}

		$upload_dir = wp_upload_dir();
		$source     = WC()->plugin_path() . '/assets/images/placeholder-attachment.png';
		$filename   = $upload_dir['basedir'] . '/woocommerce-placeholder.png';

		if ( ! file_exists( $filename ) ) {
			copy( $source, $filename ); // @codingStandardsIgnoreLine.
		}

		if ( ! file_exists( $filename ) ) {
			update_option( 'woocommerce_placeholder_image', 0 );
			return;
		}

		$filetype   = wp_check_filetype( basename( $filename ), null );
		$attachment = array(
			'guid'           => $upload_dir['url'] . '/' . basename( $filename ),
			'post_mime_type' => $filetype['type'],
			'post_title'     => preg_replace( '/\.[^.]+$/', '', basename( $filename ) ),
			'post_content'   => '',
			'post_status'    => 'inherit',
		);
		$attach_id  = wp_insert_attachment( $attachment, $filename );

		update_option( 'woocommerce_placeholder_image', $attach_id );

		// Make sure that this file is included, as wp_generate_attachment_metadata() depends on it.
		require_once ABSPATH . 'wp-admin/includes/image.php';

		// Generate the metadata for the attachment, and update the database record.
		$attach_data = wp_generate_attachment_metadata( $attach_id, $filename );
		wp_update_attachment_metadata( $attach_id, $attach_data );
	}