$arr = array(
---------------------------
    array(
       'name' => '蘋果',
       'count' => 1,
    ),
	array(
       'name' => '蘋果',
       'count' => 2,
    ),
	array(
       'name' => '蘋果',
       'count' => 3,
    ),
---------------------------
	array(
       'name' => '橘子',
       'count' => 1,
    ),
---------------------------
);
 
$result = array();
 
foreach($arr as $val){
    $key = $val['name'];                           //填入要塞選的項目
    if(!isset($result[$key])){
        $result[$key] = $val;
    }else{
        $result[$key]['count'] += $val['count'];   //填入要疊加的項目
    }
}
print_r($result);

輸出：
Array
(
    [蘋果] => Array
        (
            [name] => 蘋果
            [count] => 6
        )

    [橘子] => Array
        (
            [name] => 橘子
            [count] => 1
        )

)

                            $block_name = explode(",",$v['block_name']);
                            $new_block = array();
                            // echo $v['block_name'];
                            if(in_array(1,$block_name)){
                                $new_block[] = "上午場";
                            }

                            if(in_array(2,$block_name)){
                                // echo ",下午場";
                                $new_block[] = "下午場";
                            }
                            echo implode(',',$new_block);