What steps can be taken to troubleshoot and resolve issues with fetching external content in PHP scripts?

Issue: If there are issues with fetching external content in PHP scripts, it could be due to network connectivity problems, incorrect URLs, or server-side restrictions. To troubleshoot and resolve these issues, you can check the URL, verify network connectivity, and ensure that the server allows outgoing connections. 

// Example PHP code snippet to fetch external content and handle errors

$url = 'https://www.example.com/api/data';
$response = file_get_contents($url);

if ($response === false) {
    echo "Error fetching external content.";
} else {
    // Process the fetched content
    echo $response;
}

Keywords

cURL file_get_contents error handling HTTP status codes SSL certificate verification

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