What potential issues can arise when using ini_set to change session settings at runtime?

Potential issues that can arise when using `ini_set` to change session settings at runtime include conflicts with other settings, unexpected behavior due to changes in the session configuration, and security vulnerabilities if not properly handled. To solve this, it is recommended to set session configurations in the php.ini file or using `session_set_save_handler` for more advanced customization. 

// Example of setting session configurations using session_set_save_handler
function customSessionHandler($savePath, $sessionName) {
    // Custom session handling logic here
}

session_set_save_handler(
    "customSessionHandler",
    true // Register this session handler as the default one
);

session_start();

Keywords

ini_set session settings runtime potential issues PHP

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