smarty 遍历多维数组问题

Array(    [0] => Array        (            [0] => 1            [id] => 1            [1] => 设置            [name] => 设置            [2] => 0            [parentid] => 0            [child] => Array                (                    [0] => Array                        (                            [0] => 20                            [id] => 20                            [1] => 管理员管理                            [name] => 管理员管理                            [2] => 1                            [parentid] => 1                            [child] => Array                                (                                    [0] => Array                                        (                                            [0] => 23                                            [id] => 23                                            [1] => 角色管理                                            [name] => 角色管理                                            [2] => 20                                            [parentid] => 20                                        )                                    [1] => Array                                        (                                            [0] => 22                                            [id] => 22                                            [1] => 管理员管理                                            [name] => 管理员管理                                            [2] => 20                                            [parentid] => 20                                        )                                )                        )                    [1] => Array                        (                            [0] => 19                            [id] => 19                            [1] => 相关设置                            [name] => 相关设置                            [2] => 1                            [parentid] => 1                            [child] => Array                                (                                    [0] => Array                                        (                                            [0] => 25                                            [id] => 25                                            [1] => 模型管理                                            [name] => 模型管理                                            [2] => 19                                            [parentid] => 19                                        )                                    [1] => Array                                        (                                            [0] => 24                                            [id] => 24                                            [1] => 菜单管理                                            [name] => 菜单管理                                            [2] => 19                                            [parentid] => 19                                        )                                    [2] => Array                                        (                                            [0] => 21                                            [id] => 21                                            [1] => 基本设置                                            [name] => 基本设置                                            [2] => 19                                            [parentid] => 19                                        )                                )                        )                )        )

<{foreach from=$arr item=m}>            ID: <{$m.id}>  <{$m.name}> <{$m.id}><br>            <{foreach from=$m.child item=item}>                　　<{$item.name}> <{$item.id}><br>                    <{foreach from=$item.child item=items}>                        　　　　<{$items.name}> <{$items.id}><br>                    <{/foreach}>            <{/foreach}>        <{/foreach}>

	function bianli($array){		foreach($array as $value){			if(is_array($value)){				bianli($value);			}else{				echo $value."\n";			}		}	}	$a=array('A','B',array('c','d',array('e','f')),'g');	echo bianli($a);