How can PHP developers troubleshoot session-related problems effectively?

Session-related problems in PHP can be effectively troubleshooted by checking the session configuration in php.ini, ensuring proper session_start() at the beginning of each page, and verifying that session variables are being set and accessed correctly. Additionally, developers can use session debugging tools like var_dump($_SESSION) to inspect session data. 

// Check session configuration in php.ini
// Ensure session_start() at the beginning of each page
// Verify session variables are being set and accessed correctly

session_start();

// Set session variable
$_SESSION['username'] = 'JohnDoe';

// Access session variable
echo $_SESSION['username'];

Keywords

session_start $_SESSION session_destroy session_regenerate_id session_set_save_handler

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