In what scenarios might the session.save_handler and session.save_path settings in PHP cause issues with session_start()?

If the session.save_handler and session.save_path settings are not configured correctly in PHP, it can cause issues with session_start(). This can lead to session data not being saved or retrieved properly, resulting in unexpected behavior in your application. To solve this issue, ensure that the session.save_handler is set to the appropriate handler (such as files, memcached, or database) and that the session.save_path points to a valid directory or server location where session data can be stored. 

// Set the session save handler and save path
ini_set('session.save_handler', 'files');
ini_set('session.save_path', '/tmp');

// Start the session
session_start();

Keywords

session.save_handler session.save_path session_start() PHP session issues

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