public static function delete_cohort_members($members) {
        global $CFG, $DB;
        require_once("$CFG->dirroot/cohort/lib.php");

        // Validate parameters.
        $params = self::validate_parameters(self::delete_cohort_members_parameters(), array('members' => $members));

        $transaction = $DB->start_delegated_transaction();

        foreach ($params['members'] as $member) {
            $cohortid = $member['cohortid'];
            $userid = $member['userid'];

            $cohort = $DB->get_record('cohort', array('id' => $cohortid), '*', MUST_EXIST);
            $user = $DB->get_record('user', array('id' => $userid, 'deleted' => 0, 'mnethostid' => $CFG->mnet_localhost_id),
                '*', MUST_EXIST);

            // Now security checks.
            $context = context::instance_by_id($cohort->contextid, MUST_EXIST);
            if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
                throw new invalid_parameter_exception('Invalid context');
            }
            self::validate_context($context);
            if (!has_any_capability(array('moodle/cohort:manage', 'moodle/cohort:assign'), $context)) {
                throw new required_capability_exception($context, 'moodle/cohort:assign', 'nopermissions', '');
            }

            cohort_remove_member($cohort->id, $user->id);
        }
        $transaction->allow_commit();
    }
public static function delete_cohort_members($members) {
        global $CFG, $DB;
        require_once("$CFG->dirroot/cohort/lib.php");

        // Validate parameters.
        $params = self::validate_parameters(self::delete_cohort_members_parameters(), array('members' => $members));

        $transaction = $DB->start_delegated_transaction();

        foreach ($params['members'] as $member) {
            $cohortid = $member['cohortid'];
            $userid = $member['userid'];

            $cohort = $DB->get_record('cohort', array('id' => $cohortid), '*', MUST_EXIST);
            $user = $DB->get_record('user', array('id' => $userid, 'deleted' => 0, 'mnethostid' => $CFG->mnet_localhost_id),
                '*', MUST_EXIST);

            // Now security checks.
            $context = context::instance_by_id($cohort->contextid, MUST_EXIST);
            if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
                throw new invalid_parameter_exception('Invalid context');
            }
            self::validate_context($context);
            if (!has_any_capability(array('moodle/cohort:manage', 'moodle/cohort:assign'), $context)) {
                throw new required_capability_exception($context, 'moodle/cohort:assign', 'nopermissions', '');
            }

            cohort_remove_member($cohort->id, $user->id);
        }
        $transaction->allow_commit();
    }
public static function delete_cohort_members ( $ members ) { global $ CFG , $ DB ; require_once ( "$CFG->dirroot/cohort/lib.php" ) ; // Validate parameters. $ params = self :: validate_parameters ( self :: delete_cohort_members_parameters ( ) , array ( 'members' => $ members ) ) ; $ transaction = $ DB -> start_delegated_transaction ( ) ; foreach ( $ params [ 'members' ] as $ member ) { $ cohortid = $ member [ 'cohortid' ] ; $ userid = $ member [ 'userid' ] ; $ cohort = $ DB -> get_record ( 'cohort' , array ( 'id' => $ cohortid ) , '*' , MUST_EXIST ) ; $ user = $ DB -> get_record ( 'user' , array ( 'id' => $ userid , 'deleted' => 0 , 'mnethostid' => $ CFG -> mnet_localhost_id ) , '*' , MUST_EXIST ) ; // Now security checks. $ context = context :: instance_by_id ( $ cohort -> contextid , MUST_EXIST ) ; if ( $ context -> contextlevel != CONTEXT_COURSECAT and $ context -> contextlevel != CONTEXT_SYSTEM ) { throw new invalid_parameter_exception ( 'Invalid context' ) ; } self :: validate_context ( $ context ) ; if ( ! has_any_capability ( array ( 'moodle/cohort:manage' , 'moodle/cohort:assign' ) , $ context ) ) { throw new required_capability_exception ( $ context , 'moodle/cohort:assign' , 'nopermissions' , '' ) ; } cohort_remove_member ( $ cohort -> id , $ user -> id ) ; } $ transaction -> allow_commit ( ) ; }
Delete cohort members

@param array $members of arrays with keys userid, cohortid
@since Moodle 2.5
Delete cohort members