lib/MessageList.php
public function allWarningArray() {
        $r=array();
        foreach($this->items as $v) {
            $r=array_merge($r,$v->allWarning());
        }
        return $r;
    }
public function allWarningArray() {
        $r=array();
        foreach($this->items as $v) {
            $r=array_merge($r,$v->allWarning());
        }
        return $r;
    }
public function allWarningArray ( ) { $ r = array ( ) ; foreach ( $ this -> items as $ v ) { $ r = array_merge ( $ r , $ v -> allWarning ( ) ) ; } return $ r ; }
It returns an array with all messages of warning of all containers.
@return string[] empty if there is none
It returns an array with all messages of warning of all containers .