php - 在php中删除数组中的双引号？

Question

php代码:

 foreach($location_total_n_4 as $u=> $v)
{ 

 $final_location_total_4 .= "[".$u.",".$v."],";
}  

我在 json 中发送这些值。

echo json_encode(array(         
"location"=>"$final_location_total_4"
));

结果是:

  {"location":"[1407110400000,6641],[1407196800000,1566],[1407283200000,3614],[1407369600000,3654],[1407456000000,2918],[1407715200000,3900],[1407715200000,3900],"}

实际上我想要这个值如下:

 {"location":[1407110400000,6641],[1407196800000,1566],[1407283200000,3614],[1407369600000,3654],[1407456000000,2918],[1407715200000,3900],[1407715200000,3900]}

Answer 1

   foreach($location_total_n_4 as $u=> $v)
    { 

     $final_location_total_4 .= "[".$u.",".$v."],";
    }
    $final_value =  json_encode(array(         
    "location"=> rtrim($final_location_total_4,',')
    ));

    echo str_replace(']"',']',str_replace('"[',"[",$final_value));

这会给你想要的结果