我有一个关于数组反转的问题。我试过 array_reverse(...,true) 但它不起作用。可能是我申请的地方不对。所以我已经在下面附上了我的 php 代码和 json 结果。请帮我扭转这个json。
$conn = mysqli_connect(HOST,USER,PASS,DB);
$sql = mysqli_query($conn,"SELECT story_id,story_name,story_author,story_cover_link FROM short_story
WHERE parent=0");
// parent categories node
$categories = array("Categories" => array());
while ($row = mysqli_fetch_array($sql,MYSQLI_ASSOC))
{
$story_id = $row['story_id'];
$ssql = mysqli_query($conn,"SELECT story_id,chapter_name,chapter_link FROM short_story WHERE parent='$story_id'");
// single category node
$category = array(); // temp array
$category["story_id"] = $row["story_id"];
$category["story_name"] = $row["story_name"];
$category["story_author"] = $row["story_author"];
$category["story_cover_link"] = $row["story_cover_link"];
$category["chapters"] = array(); // subcategories again an array
while ($srow = mysqli_fetch_array($ssql,MYSQLI_ASSOC))
{
$subcat = array(); // temp array
$subcat["story_id"] = $srow['story_id'];
$subcat["chapter_name"] = $srow['chapter_name'];
$subcat["chapter_link"] = $srow['chapter_link'];
// pushing sub category into subcategories node
array_push($category["chapters"], $subcat);
}
// pushing sinlge category into parent
array_push($categories["Categories"], $category);
}
echo json_encode($categories);
这是生成的 json。我想要的是,我想扭转这个。回归后
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