How can error_reporting and display_errors settings be utilized to troubleshoot PHP compatibility issues during version upgrades?

When upgrading PHP versions, compatibility issues may arise due to changes in syntax or deprecated functions. To troubleshoot these issues, you can utilize the error_reporting and display_errors settings in PHP to display any errors or warnings that occur during execution. By enabling these settings, you can identify the specific issues causing compatibility problems and address them accordingly. 

// Enable error reporting and display errors to troubleshoot PHP compatibility issues
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Your PHP code here
// This will display any errors or warnings that occur during execution

Keywords

error_reporting display_errors PHP compatibility version upgrades troubleshooting

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