Dropbox API Getting space usage information for the linked user via curl in PHP

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Example

<?php

$headers = array("Authorization: Bearer <ACCESS_TOKEN>",
                 "Content-Type: application/json");

$ch = curl_init('https://api.dropboxapi.com/2/users/get_space_usage');
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, "null");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);

curl_close($ch);
echo $response;

?>

<ACCESS_TOKEN> should be replaced with the OAuth 2 access token.

Getting file metadata