diff --git a/public/sample/final-work/twitter/post.php b/public/sample/final-work/twitter/post.php
deleted file mode 100644
index 1cb0130..0000000
--- a/public/sample/final-work/twitter/post.php
+++ /dev/null
@@ -1,29 +0,0 @@
-prepare("INSERT INTO tweets (username, content) VALUES (?, ?)");
-$stmt->execute([$username, $content]);
-
-// index.phpにリダイレクト
-header("Location: index.php");
-exit;
-?>
diff --git a/public/workspace/final-work/twitter/db.php b/public/workspace/final-work/twitter/db.php
new file mode 100644
index 0000000..4fe3f05
--- /dev/null
+++ b/public/workspace/final-work/twitter/db.php
@@ -0,0 +1,20 @@
+setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+ }
+
+ return $pdo;
+}
+?>
diff --git a/public/workspace/final-work/twitter/index.php b/public/workspace/final-work/twitter/index.php
new file mode 100644
index 0000000..636f9d6
--- /dev/null
+++ b/public/workspace/final-work/twitter/index.php
@@ -0,0 +1,29 @@
+
+
+
+
+
+
+ Twitterライク
+
+
+ つぶやき投稿
+
+
+
+
+
+
+
+ タイムライン
+
+
+
+
+
diff --git a/public/workspace/final-work/twitter/post.php b/public/workspace/final-work/twitter/post.php
new file mode 100644
index 0000000..05aca0b
--- /dev/null
+++ b/public/workspace/final-work/twitter/post.php
@@ -0,0 +1,15 @@
+
diff --git a/public/workspace/php/twitter/db.php b/public/workspace/php/twitter/db.php
deleted file mode 100644
index 4fe3f05..0000000
--- a/public/workspace/php/twitter/db.php
+++ /dev/null
@@ -1,20 +0,0 @@
-setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
- }
-
- return $pdo;
-}
-?>
diff --git a/public/workspace/php/twitter/index.php b/public/workspace/php/twitter/index.php
deleted file mode 100644
index 636f9d6..0000000
--- a/public/workspace/php/twitter/index.php
+++ /dev/null
@@ -1,29 +0,0 @@
-
-
-
-
-
-
- Twitterライク
-
-
- つぶやき投稿
-
-
-
-
-
-
-
- タイムライン
-
-
-
-
-
diff --git a/public/workspace/php/twitter/post.php b/public/workspace/php/twitter/post.php
deleted file mode 100644
index 05aca0b..0000000
--- a/public/workspace/php/twitter/post.php
+++ /dev/null
@@ -1,15 +0,0 @@
-