This gist has a sample API call using PHP Google places API client.

gplaces_api_client.php

<?php
require_once 'googleplaces.class.php';

$googlePlaces = new GooglePlaces(array(
            'apiKey' => "YOUR_API_KEY"
        ));
        
$query['query'] = "Burger in Berlin";
$places = $googlePlaces->getLocationsByTextSearch($query);
$decoded_data = json_decode($places, true);
print_r($decoded_data);
?>