以下のコードを打ってみたんですが、調べても原因が把握できません
PHPコードの中にHTMLコードを入れたいんですが、<DOCUMENT HTML>を挿入する方法は合っているのでしょうか
下記エラーはecho $comment~の行を指しています
Notice: Undefined variable: time in C:\XAMPP\htdocs\XXX.php on line 21
array(2) {
["name"]=>
string(6) "あい"
["comment"]=>
string(9) "うえお"
}
PHP
1<?php 2 header('content-type: text/html; charset=UTF-8'); 3?> 4<html> 5<DOCMENT HTML> 6<head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> 7 <body> 8 <form method="post" action="XXX.php"> 9 名前:<input type="text" name="name"> 10 内容:<textarea name="comment" row="20" cols="20"> </textarea> 11 <input type="submit" value="投稿"> 12 </form> 13 </body> 14<body> 15<?php 16 $name = $_POST['name']; 17 $comment = $_POST['comment']; 18 $name = htmlspecialchars($name, ENT_QUOTES, 'utf-8'); 19 $comment = htmlspecialchars($comment, ENT_QUOTES, 'utf-8'); 20 echo $name, '<br>', PHP_EOL; 21 echo $comment, $time, PHP_EOL; 22 23 echo '<pre>'; 24 var_dump($_POST); 25 echo '</pre>'; 26 27$user = 'XXX'; 28$password = 'XXX'; 29$dbname = 'XXX'; 30$host = 'localhost'; 31 32$mysqli = new mysqli($host, $user, $password, $dbname); 33 if($mysqli->connect_error){ 34 print("接続失敗:" . $mysqli->connect_error); 35 exit(); 36 } 37 38$time = date("y/m/d h:i:s"); 39 40 $stmt = $mysqli->prepare('INSERT INTO XXX (name, comment) VALUES (?, ?)'); 41 $stmt->bind_param('ss', $_POST['name'], $_POST['comment']); 42 $stmt->execute(); 43 44 $query = 'SELECT * FROM XXX'; 45 $stmt = $mysqli->prepare($query); 46 $stmt->execute(); 47 48 $result = $mysqli->query('SELECT * FROM XXX ORDER BY time DESC'); 49 if($result){ 50 while($row = $result->fetch_object()){ 51 $name = htmlspecialchars($row->name); 52 $comment = htmlspecialchars($row->comment); 53 } 54 } 55 56$mysqli->close(); 57 58?> 59</body> 60</html>
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