What potential problems can arise when using sessions in PHP scripts that run for a long time?

Potential problems that can arise when using sessions in PHP scripts that run for a long time include session data being locked for the duration of the script execution, leading to potential blocking of other requests trying to access the same session data. To solve this issue, you can release the session data lock by calling session_write_close() when you no longer need to write to the session data. 

// Start the session
session_start();

// Perform operations that require session data

// Release the session data lock
session_write_close();

// Continue with other script execution

Keywords

session PHP memory timeout serialization

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