WordPress function to convert address to Lat/Long

gistfile1.php

<?php
function brrad_geocode($street_address,$city,$state){
        
        $street_address = str_replace(" ", "+", $street_address); //google doesn't like spaces in urls, but who does?
        $city = str_replace(" ", "+", $city);
        $state = str_replace(" ", "+", $state);

        $url = "http://maps.googleapis.com/maps/api/geocode/json?address=$street_address,+$city,+$state&sensor=false"; 
        $google_api_response = wp_remote_get( $url );    
    
        $results = json_decode( $google_api_response['body'] ); //grab our results from Google
        $results = (array) $results; //cast them to an array
        $status = $results["status"]; //easily use our status
        $location_all_fields = (array) $results["results"][0];
        $location_geometry = (array) $location_all_fields["geometry"];
        $location_lat_long = (array) $location_geometry["location"];

        echo "<!-- GEOCODE RESPONSE " ;
        var_dump( $location_lat_long );
        echo " -->";

        if( $status == 'OK'){
            $latitude = $location_lat_long["lat"];
            $longitude = $location_lat_long["lng"];
        }else{
            $latitude = '';
            $longitude = '';
        }

        $return = array(
                    'latitude'  => $latitude,
                    'longitude' => $longitude
                    );
        return $return;
    }