What are the potential pitfalls of using Google Maps API for auto-completion in PHP applications?

One potential pitfall of using Google Maps API for auto-completion in PHP applications is the risk of exposing your API key in client-side code, making it vulnerable to theft or misuse. To solve this issue, you should make the API call from the server-side code instead of directly from the client-side code. 

<?php
// Server-side code to make Google Maps API call for auto-completion
$api_key = 'YOUR_API_KEY';
$input = $_GET['input'];

$url = "https://maps.googleapis.com/maps/api/place/autocomplete/json?input=" . urlencode($input) . "&key=" . $api_key;

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>

Keywords

Google Maps API auto-completion PHP applications potential errors data security

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