What best practices should be followed when using cURL in PHP to avoid visible output?

When using cURL in PHP, it is important to set the CURLOPT_RETURNTRANSFER option to true in order to capture the response from the request instead of outputting it directly to the browser. This will prevent any visible output from the cURL request. Additionally, you can use the CURLOPT_NOBODY option if you are only interested in the headers and not the body of the response. 

<?php

$url = 'https://www.example.com';
$ch = curl_init($url);

// Set options to capture response and not output it
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_NOBODY, true);

$response = curl_exec($ch);

// Check for errors and handle response
if($response === false) {
    echo 'cURL error: ' . curl_error($ch);
} else {
    // Process response here
}

curl_close($ch);

?>

Keywords

cURL PHP CURLOPT_RETURNTRANSFER CURLOPT_NOBODY CURLOPT_HEADER

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