How can the issue of URL length when passing JSON data be addressed in PHP?

When passing JSON data in a URL in PHP, the length of the URL can become an issue if the JSON data is too large, leading to potential errors or data truncation. To address this, one solution is to send the JSON data in the request body instead of as part of the URL parameters. This can be achieved by using POST requests instead of GET requests. 

<?php

// Sample JSON data
$jsonData = '{"key": "value"}';

// Initialize cURL session
$ch = curl_init();

// Set cURL options
curl_setopt($ch, CURLOPT_URL, 'http://example.com/api_endpoint');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonData);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));

// Execute cURL session
$response = curl_exec($ch);

// Close cURL session
curl_close($ch);

// Handle response
echo $response;

?>

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