Harigami
タイトルなし
PHP
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>mission_3-5</title>
<h1>mission3-5</h1>
<br>
</head>
<body>
<?php
//投稿内容の取得
$name = $_POST["name"];
$comment = $_POST["comment"];
$date = date("Y/m/d H:i:s");
$delete_num = $_POST["delete_num"];
$edit_num = $_POST["edit_num"];
$pass = $_POST["password"];
$edit_pass = $_POST["edit_password"];
$delete_pass = $_POST["delete_password"];
//ファイル名の指定
$filename = "mission_3-5-5.txt";
if(!empty($_POST["name"])&&($_POST["comment"])&&($_POST["password"])){
//投稿機能
if(empty($_POST["edit_NO"])){
//新規投稿番号の取得
if(file_exists($filename)){
$lines = file($filename);
$num = count($lines) + 1;
}else{
$num = 1;
}
//取得情報の結合
$str = $num."<>".$name."<>".$comment."<>".$date."<>".$pass."<>".PHP_EOL;
$fp = fopen($filename,"a");
fwrite($fp,$str);
fclose($fp);
}else{
//編集実行機能
$edit_NO = $_POST["edit_NO"];
$edit_lines = file($filename);
$fp = fopen($filename,"w");
foreach($edit_lines as $edit_line){
$edit_item = explode("<>",$edit_line);
if($edit_NO == $edit_item[0] && $pass == $edit_item[4]){
fwrite($fp,$edit_NO."<>".$name."<>".$comment."<>".$date."<>".$pass."<>".PHP_EOL);
}else{
fwrite($fp,$edit_line);
}
}
fclose($fp);
}
}
//編集選択機能
if(!empty($_POST["edit_num"]) && !empty($_POST["edit_password"])){
$e_lines = file($filename);
$fp = fopen($filename,"a");
foreach($e_lines as $e_line){
$e_item = explode("<>",$e_line);
//編集番号とパスワードが一致
if($edit_num == $e_item[0] && $edit_pass == $e_item[4]){
$edit_name = $e_item[1];
$edit_comment = $e_item[2];
}
}
fclose($fp);
}
//削除機能
if(!empty($_POST["delete_num"]) && !empty($_POST["delete_password"])){
$delete_lines = file($filename);
$fp2 = fopen($filename,"w");
fwrite($fp2,"");
foreach($delete_lines as $delete_line){
$del_item = explode("<>",$delete_line);
if($delete_num!=$del_item[0]){
fwrite($fp2,$delete_line);
}elseif($delete_pass!=$del_item[4]){
fwrite($fp2,$delete_line);
}
}
fclose($fp2);
}
?>
〇投稿フォーム<br>
<form action="" method="post">
<input type="text" name="name" placeholder="名前"
value="<?php if(!empty($edit_name)){
echo $edit_name;}?>"><br>
<input type="text" name="comment" placeholder="コメント"
value="<?php if(!empty($edit_comment)){
echo $edit_comment;}?>"><br>
<input type="password" name="password" placeholder="パスワード">
<input type="hidden" name="edit_NO"
value="<?php if(!empty($edit_num)){echo $edit_num;}?>">
<input type="submit" name="submit">
</form>
<br>
〇削除フォーム<br>
<form action="" method="post">
<input type="number" name="delete_num" placeholder="削除番号"><br>
<input type="password" name="delete_password" placeholder="パスワード">
<input type="submit" name="submit" value="削除">
</form>
<br>
〇編集フォーム<br>
<form action="" method="post">
<input type="number" name="edit_num" placeholder="編集番号"><br>
<input type="password" name="edit_password" placeholder="パスワード">
<input type="submit" name="submit" value="編集">
</form>
--------------------------
<br>
〇投稿一覧
<br>
<?php
if(file_exists($filename)){
$lines = file($filename,FILE_IGNORE_NEW_LINES);
foreach($lines as $line){
$item = explode("<>",$line);
echo $item[0]." " .$item[1]." " .$item[2]." " .$item[3]."<br>";
}
}
?>
</body>
</html>