What is the significance of the PHP configuration option "allow_url_fopen" in relation to the error message in the code snippet?

The error message "Warning: file_get_contents(): https:// wrapper is disabled in the server configuration by allow_url_fopen=0" indicates that the PHP configuration option "allow_url_fopen" is disabled, preventing the use of URLs in functions like file_get_contents. To solve this issue, you can enable the "allow_url_fopen" option in the php.ini file or use an alternative method to fetch the contents of a URL, such as cURL. 

// Enable allow_url_fopen in the code
ini_set('allow_url_fopen', 1);

// Fetch the contents of a URL using file_get_contents
$url = 'https://www.example.com';
$data = file_get_contents($url);

// Output the fetched data
echo $data;

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PHP configuration option allow_url_fopen error message code snippet

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