What are the potential issues with using include_once() with a URL in PHP scripts?

Using include_once() with a URL in PHP scripts can potentially expose your application to security risks, such as remote code execution and file inclusion vulnerabilities. It is recommended to avoid including files from external URLs and instead use local file paths to include files securely. 

// Example of including a file securely using a local file path
include_once(__DIR__ . '/path/to/file.php');

Keywords

include_once URL PHP scripts security vulnerability remote file inclusion

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