Log/composite.php
function flush()
    {
        /* Attempt to flush each of our children. */
        $flushed = true;
        foreach ($this->_children as $child) {
            $flushed &= $child->flush();
        }

        /* If all children were flushed, return success. */
        return $flushed;
    }
function flush()
    {
        /* Attempt to flush each of our children. */
        $flushed = true;
        foreach ($this->_children as $child) {
            $flushed &= $child->flush();
        }

        /* If all children were flushed, return success. */
        return $flushed;
    }
function flush ( ) { /* Attempt to flush each of our children. */ $ flushed = true ; foreach ( $ this -> _children as $ child ) { $ flushed &= $ child -> flush ( ) ; } /* If all children were flushed, return success. */ return $ flushed ; }
Flushes all child instances.  It is assumed that all of the children
have been successfully opened.

@return  True if all of the child instances were successfully flushed.

@access public
@since Log 1.8.2
Flushes all child instances . It is assumed that all of the children have been successfully opened .