Google address resolution, how to solve it

google address analysis
I want to batch parse addresses to obtain longitude and latitude in a php program.
$_url = “http://maps.googleapis.com/maps/api/geocode/json?address={$address}&sensor=false”;
$_result = file_get_contents($_url);
The data can still be obtained for the first few days, but there is no data for these two days. The return value is: { “results” : [], “status” : “OVER_QUERY_LIMIT” }
This is restricted . Why? How to deal with it?

——Solution——————–
Doesn’t Google Maps have a limit on how many calls require Money? Is it related to this