How can outdated code snippets from external sources impact the security and functionality of a PHP script?

Outdated code snippets from external sources can impact the security and functionality of a PHP script by introducing vulnerabilities or deprecated functions that can be exploited by attackers. To mitigate this risk, it is important to regularly update and review external code snippets for any security patches or updates. 

// Example of updating an outdated code snippet from an external source
$updatedSnippet = file_get_contents('https://example.com/updatedSnippet.php');
eval($updatedSnippet);

Keywords

Outdated code External sources Security vulnerabilities Functionality issues PHP script

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