[英]How would i go about changing a MySQL array by comparing it to another?
我想顯示一個通過json數據集(來自表“ score”)來自數據庫的分數,它可以正常工作,但是我的quiz_id是外鍵,這意味着數據集將包含ID,而不是名稱。測驗。 在CanvasJS圖表上看起來不太好。 quiz_name位於測驗表中,主鍵為quiz_id。 我將如何使json數據集包含quiz_name而不是quiz_id?
我的test.php,它正在創建json:
<?php
header('Content-Type: application/json');
$con = mysqli_connect("123.123.123.123", "Seba0702", "", "kayeetdb");
$data_points = array();
$result = mysqli_query($con, "SELECT * FROM score");
while($row = mysqli_fetch_array($result))
{
$point = array("label" => $row['quiz_id'] , "y" => $row['quiz_score']);
array_push($data_points, $point);
}
echo json_encode($data_points, JSON_NUMERIC_CHECK);
mysqli_close($con);
?>
我的表格:測驗表:
得分表:
我希望json包含quiz_name和quiz_score。
要從另一個表中檢索信息,您需要一個聯接
SELECT score.quiz_id, score.student_id, score.quiz_score, quiz.name
FROM score
INNER JOIN quiz on quiz.quiz_id = score.quiz_id
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