Web Reference: Warning: Cannot modify header information - headers already sent by (output started at /some/file.php:12) in /some/file.php on line 23. The lines mentioned in the error messages contain header() and setcookie() calls. What could be the reason for this? And how to fix it? Jan 16, 2026 · We’ll break down why this error happens, how to diagnose it, and step-by-step solutions to fix it—even for beginners. Jan 14, 2024 · This warning is triggered when your PHP script tries to send a header to the client after any output has been already sent. This tutorial provides a comprehensive walkthrough for fixing the ‘headers already sent’ warning in PHP. Understanding the Problem Headers in PHP need to be sent to the browser before any kind of output is sent.
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Net Worth Profile Overview
Fix Cannot Modify Header Information Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $16M - $26M
Salary & Income Sources
Career Highlights & Achievements
Assets, Properties & Investments
This section covers known assets, real estate holdings, luxury vehicles, and investment portfolios. Data is compiled from public records, financial disclosures, and verified media reports.
Last Updated: April 8, 2026
Net Worth Outlook & Future Earnings
Disclaimer: Disclaimer: Net Worth estimates are based on publicly available data, media reports, and financial analysis. Actual numbers may vary.