What are the potential issues when hosting a PHP-based forum on platforms that update PHP versions?

Potential issues when hosting a PHP-based forum on platforms that update PHP versions include compatibility issues with older PHP code, deprecated functions or features, and security vulnerabilities. To solve this, regularly update the forum software to the latest version, check for deprecated functions or features in the codebase, and make necessary updates to ensure compatibility with the latest PHP versions. 

// Example code snippet to check for deprecated functions or features
if (version_compare(PHP_VERSION, '7.2', '>=')) {
    // Code that uses deprecated functions or features
    // Update the code to use modern PHP functions or features
}

Keywords

PHP forum hosting compatibility updates

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