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Nov 1, 2022 · Backend Development
Resolving Duplicate Set-Cookie Header Caused by Repeated session_start() Calls in PHP
The article explains why calling PHP's session_start() multiple times generates duplicate Set-Cookie headers, provides a code-based fix using session_abort() and header_remove(), and discusses session file locking, cookie lifetime, and garbage collection settings to manage session behavior effectively.
Session Managementhttp headerssession
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