PHP Manual Function Reference Other Services LDAP LDAP Functions ldap_start_tls ldap_sort ldap_t61_to_8859 ldap_start_tls (PHP 4 >= 4.2.0, PHP 5)ldap_start_tls — Start TLS Description bool ldap_start_tls ( resource $link ) WarningThis function is currently not documented; only its argument list is available.