What are some best practices for handling network connections and data retrieval in PHP scripts, especially when interacting with external servers like in the provided code?

When handling network connections and data retrieval in PHP scripts, it is important to properly handle errors, timeouts, and exceptions to ensure robustness and reliability. This can be achieved by using functions like curl_setopt to set timeouts, error handling mechanisms like try-catch blocks, and ensuring data is properly sanitized before sending requests to external servers. 

<?php

// Set up cURL session
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://www.example.com/api');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 10); // Set timeout to 10 seconds

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

// Check for errors
if($response === false) {
    echo 'Error: ' . curl_error($ch);
} else {
    // Process the response data
    echo $response;
}

// Close cURL session
curl_close($ch);

?>

Keywords

cURL error handling timeouts SSL verification data serialization

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