How can PHP developers troubleshoot and debug issues like the one described in the forum thread when the error persists despite restoring original files?

Issue: If restoring original files does not resolve the error, PHP developers can try clearing the cache, checking for syntax errors, enabling error reporting, and using debugging tools like Xdebug. Code snippet: 

<?php
// Clear cache
// Check for syntax errors
// Enable error reporting
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Use Xdebug for debugging
// Add breakpoints and step through code to identify the issue
?>

Keywords

PHP troubleshooting debugging error persistence restoring files

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