Inventory_Presser_Contact_Form_7::extract_post_id_from_value( $value )

	protected function extract_post_id_from_value( $value ) {
		//submitted "2020 Toyota Sienna LE, 10329A"
		$pieces = explode( ', ', $value );
		if ( 1 == sizeof( $pieces ) ) {
			//delimiter not found
			return '';
		}
		$stock_number = $pieces[sizeof( $pieces )-1];
		$post_ids = get_posts(
			array(
				'fields'         => 'ids',
				'meta_key'       => apply_filters( 'invp_prefix_meta_key', 'stock_number' ),
				'meta_value'     => $stock_number,
				'post_status'    => 'publish',
				'post_type'      => INVP::POST_TYPE,
				'posts_per_page' => 1,
			) 
		);

		if ( empty( $post_ids ) || ! is_array( $post_ids ) ) {
			return '';
		}

		return $post_ids[0];
	}