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我在使用Javascript的PHP中遇到數組到JSON結構的問題

[英]I am having issues with Array to JSON structure in PHP to be used in Javascript


我一直在努力將Array轉換為JSON格式。 我正在使用TexoTela的selectbox插件。 該插件需要一個json結構,如下所示:

{
    "ajax1": "AJAX option 1",
    "ajax2": "AJAX option 2",
    "ajax3": "AJAX option 3"
}  

我的PHP代碼:

    function get_selectfield_list($col, $table)
    {
        $location_list = array();

        //create an sql string and set it to the $sql variable
        $sql = "SELECT id, $col FROM $table";

        //form the sql query and set it to the $query variable
        $query = $this->db->query($sql);

        //loop through the result_array and set the results to the $location_list array
        foreach ($query->result_array() as $row)
        {
            $value = $row['id']; //set the database table id to to $value variable
            $text = $row[$col]; //set the the $string value to the $text variable
            $location_list = array($value => $text); //form the $location_list array with the the $value and $text values
        }

        echo json_encode($location_list); //convert the $location_list array into a json object and return it.                              
    }  

我的PHP代碼返回{"4":"chickenpen 4"}

代替{"4":"chickenpen 4","5":"chickenpen 5", etc....}

我認為這是由於代碼:$ location_list = array($ value => $ text); 每次foreach循環時,它都會創建一個新數組。 我如何格式化數組以在foreach中輸出所有結果,而不是最后一個結果?

-豐富

    $location_list[$value] = $text;

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