PHP Fundamentals

Chapter 12: Error Handling and Debugging

12.1 Error Types

PHP has different error types.

• Parse errors - Syntax mistakes
• Fatal errors - Critical issues
• Warnings - Non-critical issues
• Notices - Minor issues

12.2 Try-Catch Blocks

try {
    $result = 10 / 0;
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}

12.3 Debugging Tools

• var_dump() - Detailed variable output
• error_log() - Log errors
• Xdebug - Advanced debugging extension