What are common issues with file extensions like .php4 in PHP scripts and how can they be resolved?
Common issues with file extensions like .php4 in PHP scripts include compatibility problems with newer versions of PHP and potential security vulnerabilities. To resolve this, it is recommended to update the file extension to .php to ensure compatibility and security.
// Change file extension from .php4 to .php
// Before: filename.php4
// After: filename.php
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