質問編集履歴
5
改善
test
CHANGED
|
File without changes
|
test
CHANGED
|
File without changes
|
4
改善
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -1,4 +1,4 @@
|
|
|
1
|
-
ORDER BY
|
|
1
|
+
ORDER BY ～ DESCってどういう意味ですか
|
|
2
2
|
|
|
3
3
|
|
|
4
4
|
|
3
改善
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -36,7 +36,7 @@
|
|
|
36
36
|
|
|
37
37
|
|
|
38
38
|
|
|
39
|
-
$result = $mysqli->query("SELECT * FROM XXX ORDER BY
|
|
39
|
+
$result = $mysqli->query("SELECT * FROM XXX ORDER BY time DESC");
|
|
40
40
|
|
|
41
41
|
if($result){
|
|
42
42
|
|
2
改善
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
|
-
|
|
1
|
+
order byに関して分からないことがあります
|
test
CHANGED
|
@@ -1,4 +1,14 @@
|
|
|
1
1
|
ORDER BY created DESCってどういう意味ですか
|
|
2
|
+
|
|
3
|
+
|
|
4
|
+
|
|
5
|
+
追記
|
|
6
|
+
|
|
7
|
+
テーブル：「name（int）」「comment（varchar）」「time（timestamp）」
|
|
8
|
+
|
|
9
|
+
[リンク内容](https://team-lab.github.io/skillup/1/9.html)
|
|
10
|
+
|
|
11
|
+
|
|
2
12
|
|
|
3
13
|
```PHP
|
|
4
14
|
|
1
改善
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -1 +1,49 @@
|
|
|
1
1
|
ORDER BY created DESCってどういう意味ですか
|
|
2
|
+
|
|
3
|
+
```PHP
|
|
4
|
+
|
|
5
|
+
$mysqli = new mysqli($host, $user, $password, $dbname);
|
|
6
|
+
|
|
7
|
+
if ($mysqli->connect_error){
|
|
8
|
+
|
|
9
|
+
print("接続失敗：" . $mysqli->connect_error);
|
|
10
|
+
|
|
11
|
+
exit();
|
|
12
|
+
|
|
13
|
+
}
|
|
14
|
+
|
|
15
|
+
|
|
16
|
+
|
|
17
|
+
$stmt = $mysqli->prepare("INSERT INTO XXX (name, comment) VALUES (?, ?)");
|
|
18
|
+
|
|
19
|
+
$stmt->bind_param('ss', $_POST["name"], $_POST["comment"]);
|
|
20
|
+
|
|
21
|
+
$stmt->execute();
|
|
22
|
+
|
|
23
|
+
|
|
24
|
+
|
|
25
|
+
$query = "SELECT * FROM XXX";
|
|
26
|
+
|
|
27
|
+
|
|
28
|
+
|
|
29
|
+
$result = $mysqli->query("SELECT * FROM XXX ORDER BY created DESC");
|
|
30
|
+
|
|
31
|
+
if($result){
|
|
32
|
+
|
|
33
|
+
while($row = $result->fetch_object()){
|
|
34
|
+
|
|
35
|
+
$name = htmlspecialchars($row->name);
|
|
36
|
+
|
|
37
|
+
$comment = htmlspecialchars($row->comment);
|
|
38
|
+
|
|
39
|
+
}
|
|
40
|
+
|
|
41
|
+
}
|
|
42
|
+
|
|
43
|
+
|
|
44
|
+
|
|
45
|
+
$mysqli->close();
|
|
46
|
+
|
|
47
|
+
|
|
48
|
+
|
|
49
|
+
```
|