Sets retval to the value of the specified option.
如果成功则返回 TRUE
,失败则返回 FALSE
。
The parameter option can be one of: LDAP_OPT_DEREF, LDAP_OPT_SIZELIMIT, LDAP_OPT_TIMELIMIT, LDAP_OPT_PROTOCOL_VERSION, LDAP_OPT_ERROR_NUMBER, LDAP_OPT_REFERRALS, LDAP_OPT_RESTART, LDAP_OPT_HOST_NAME, LDAP_OPT_ERROR_STRING, LDAP_OPT_MATCHED_DN. These are described in » draft-ietf-ldapext-ldap-c-api-xx.txt
This function is only available when using OpenLDAP 2.x.x OR Netscape Directory SDK x.x, and was added in PHP 4.0.4
<?php
// $ds is a valid link identifier for a directory server
if (ldap_get_option($ds, LDAP_OPT_PROTOCOL_VERSION, $version)) {
echo "Using protocol version $version\n";
} else {
echo "Unable to determine protocol version\n";
}
?>
See also ldap_set_option().