Question

我编写了一个代码来解析php中的数据，如下所示：

<?php
$db_name="hotels";
$dbhost = "localhost";
$dbuser = "root";
$dbpass = "";
$conn = mysqli_connect($dbhost, $dbuser, $dbpass,$db_name);


if(! $conn ) {
    die('Could not connect: ' . mysqli_error());
} 
else{
    //echo"<h3>Database cannection established</h3>";
}

$sql_query_for_username = "select distinct `username` from hotels.ratingoffooditem";
$usernames_result = mysqli_query($conn, $sql_query_for_username);

$users = array();
while($row=mysqli_fetch_array($usernames_result)){
    array_push($users, $row["username"]);
}

//print_r($users);
$response=array();
foreach($users as $user){
    $sql_query= "select `food item`,rating from hotels.ratingoffooditem where username='$user'";

    $result= mysqli_query($conn,$sql_query);
    $abc = array();
    if($result !=false){
        while($row=mysqli_fetch_array($result)){
            $def = array($row["food item"]=>$row['rating']);
            //echo (json_encode($def));
            //echo "</br>";
            array_push($abc,$def);

        }

   }
      //echo "</br>";
            //print_r(json_encode($abc));
            //echo "</br>";
        array_push($response, array("$user"=>array($abc))); 
   //echo "</br>";
}

echo json_encode($response);
//echo "</br>";echo "</br>";echo "</br>";

mysqli_close($conn);
?>

我想获得如下结果：

{＆＃34;什里＆＃34; {＆＃34;希肯-莫莫＆＃34：4，＆＃34;巴夫-莫莫＆＃34;：3，＆＃34;鸡-Thukpa＆＃34; ：3，＆＃34; Chiken Momo＆＃34;：4，＆＃34; Buff Chowmein＆＃34;：2.5，＆＃34; Veg-Chowmein＆＃34;：3.5}，＆＃34; Juppi＆＃34;： {＆＃34;咖喱角＆＃34;：4}，＆＃34;律＆＃34; {＆＃34;希肯-莫莫＆＃34;：1}，＆＃34; bidur＆＃34; {＆＃34 ;希肯-莫莫＆＃34;：4.5}}

但是，我得到了这个：

[{＆＃34;什里＆＃34;：[[{＆＃34;比萨＆＃34;：＆＃34; 3＆＃34;}，{＆＃34;汉堡＆＃34;：＆＃34; 3.5＆＃34;}，{＆＃34; Chiken-Momo＆＃34;：＆＃34; 4.5＆＃34;}，{＆＃34; Chiken Momo＆＃34;：＆＃34; 4＆＃34;} ，{＆＃34; Chiken Momo＆＃34;：＆＃34; 4＆＃34;}，{＆＃34; Chiken-Momo＆＃34;：＆＃34; 4＆＃34;}，{＆＃34; Veg -Chowmien＆＃34;：＆＃34; 2＆＃34;}，{＆＃34;巴夫-莫莫＆＃34;：＆＃34; 3＆＃34;}，{＆＃34;希肯-Thukpa＆＃34 ;: ＆＃34; 4＆＃34;}，{＆＃34;希肯-Thukpa＆＃34;：＆＃34; 4＆＃34;}，{＆＃34;希肯-Thukpa＆＃34;：＆＃34; 2＆＃ 34;}]]}，{＆＃34; Juppi＆＃34;：[[{＆＃34;咖喱角＆＃34;：＆＃34; 4＆＃34;}，{＆＃34;希肯-莫莫＆＃34; ：＆＃34; 4＆＃34;}]]}，{＆＃34;律＆＃34;：[[{＆＃34;希肯-莫莫＆＃34;：＆＃34; 1＆＃34;}]]} ，{＆＃34; bnabin51＆＃34;：[[{＆＃34;希肯-莫莫＆＃34;：＆＃34; 4.5＆＃34;}]]}，{＆＃34; bidur＆＃34;：[ [{＆＃34;希肯-莫莫＆＃34;：＆＃34; 4.5＆＃34;}]]}]

现在我该如何删除不必要的括号？

Answer 1

最后，我得到的内容如下：

$response=array();
foreach($users as $user){
    $sql_query= "select `food item`,rating from hotels.ratingoffooditem where username='$user'";

    $result= mysqli_query($conn,$sql_query);
    $abc = array();
    if($result !=false){
        while($row=mysqli_fetch_array($result)){
            $abc[$row['food item']]=$row['rating'];

        }

    }

    $response[$user]=$abc;

}

删除php数组

1 个答案: