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# PHP 7 Session Options [ PHP 7 New Features](#) The PHP 7 `session_start()` function can accept an array as a parameter, which can override the session configuration items in `php.ini`. This feature also introduces a new `php.ini` setting (`session.lazy_write`), which defaults to `true`, meaning session data is only written when it changes. In addition to the regular session configuration directives, you can also include the `read_and_close` option in this array. If the value of this option is set to `TRUE`, the session file will be closed immediately after reading, thus avoiding unnecessary file locks when the session data has not changed. ### Example Set `cache_limiter` to private and close immediately after reading the session. ## Example 'private', 'read_and_close' =>true, ]); ?> * * PHP 7 New Features](#)