(PHP 7 >= 7.3.0)
ldap_exop_refresh — Refresh extended operation helper
ldap_exop_refresh ( resource $ldap , string $dn , int $ttl ) : int|false
Performs a Refresh extended operation and returns the data.
ldap
An LDAP link identifier, returned by ldap_connect().
dn
dn of the entry to refresh.
ttl
Time in seconds (between 1 and 31557600) that the client requests that the entry exists in the directory before being automatically removed.
From RFC: The responseTtl field is the time in seconds which the server chooses to have as the time-to-live field for that entry. It must not be any smaller than that which the client requested, and it may be larger. However, to allow servers to maintain a relatively accurate directory, and to prevent clients from abusing the dynamic extensions, servers are permitted to shorten a client-requested time-to-live value, down to a minimum of 86400 seconds (one day). false will be returned on error.
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https://www.php.net/manual/en/function.ldap-exop-refresh.php