Files
web/functions/post.php
T

806 lines
28 KiB
PHP

<?php
// It's good practice to use namespaces, e.g.:
// namespace VintageCoding\Models;
// namespace VintageCoding\Repositories;
require_once 'db.php'; // For exec_stmt() and get_connection() (though get_connection is used by exec_stmt)
require_once 'user.php'; // For User and Author classes
require_once 'space.php';
// -- Data Transfer Object for Topics --
class Topic
{
public int $topicId;
public string $name;
public function __construct(int $topicId, string $name)
{
$this->topicId = $topicId;
$this->name = $name;
}
public function getId(): int
{
return $this->topicId;
}
public function getName(): string
{
return $this->name;
}
}
// -- Post Data Models (as previously defined, with setReadCount in Post) --
class Post
{
private Space $space;
private Author $author;
private int $postTypeId;
private ?string $title;
private ?string $slug;
private int $readCount;
private ?DateTime $createdAt;
private ?DateTime $updatedAt;
private ?DateTime $status;
private bool $published;
public function __construct($postArray)
{
$this->postId = $postArray['postId'];
$this->author = $postArray['authorId'];
$this->postTypeId = $postArray['postType'];
$this->title = $postArray['title'];
$this->slug = $postArray['slug'];
$this->readCount = 0;
$this->status = $postArray['status'];
}
public function getPostId(): int
{
return $this->postId;
}
public function getAuthor(): Author
{
return $this->author;
}
public function getPostTypeId(): int
{
return $this->postTypeId;
}
public function getTitle(): ?string
{
return $this->title;
}
public function getSlug(): ?string
{
return $this->slug;
}
public function getReadCount(): int
{
return $this->readCount;
}
public function getCreatedAt(): ?DateTime
{
return $this->createdAt;
}
public function getUpdatedAt(): ?DateTime
{
return $this->updatedAt;
}
public function getStatus(): ?DateTime
{
return $this->status;
}
public function isPublished(): bool
{
return $this->published;
}
public function incrementReadCount(): void
{
$this->readCount++;
}
public function setSlug(?string $slug): void
{
$this->slug = $slug;
}
public function setStatus(?string $status): void
{
$this->status = $status;
}
public function setPublished(bool $published): void
{
$this->published = $published;
}
public function setReadCount(int $count): void
{
$this->readCount = $count;
}
}
class Essay extends Post
{
private ?string $markdown;
private ?string $excerpt;
private ?array $files;
public function __construct(int $postId, Author $author, ?string $title = null, ?string $slug = null, ?string $markdown = null, ?string $excerpt = null, ?array $files = null, ?DateTime $createdAt = null, ?DateTime $updatedAt = null, ?DateTime $publishedAt = null, bool $published = true)
{
parent::__construct($postId, $author, 1, $title, $slug, $createdAt, $updatedAt, $publishedAt, $published);
$this->markdown = $markdown;
$this->excerpt = $excerpt;
$this->files = $files;
}
public function getMarkdown(): ?string
{
return $this->markdown;
}
public function getExcerpt(): ?string
{
return $this->excerpt;
}
public function getFiles(): ?array
{
return $this->files;
}
public function setMarkdown(?string $markdown): void
{
$this->markdown = $markdown;
}
public function setExcerpt(?string $excerpt): void
{
$this->excerpt = $excerpt;
}
public function setFiles(?array $files): void
{
$this->files = $files;
}
}
class Moment extends Post
{
private ?string $caption;
private ?array $images;
public function __construct(int $postId, Author $author, ?string $caption = null, ?array $images = null, ?DateTime $createdAt = null, ?DateTime $updatedAt = null, ?DateTime $publishedAt = null, bool $published = true)
{
parent::__construct($postId, $author, 2, null, null, $createdAt, $updatedAt, $publishedAt, $published);
$this->caption = $caption;
$this->images = $images;
}
public function getCaption(): ?string
{
return $this->caption;
}
public function getImages(): ?array
{
return $this->images;
}
public function setCaption(?string $caption): void
{
$this->caption = $caption;
}
public function setImages(?array $images): void
{
$this->images = $images;
}
}
class Thought extends Post
{
private ?string $thought;
public function __construct(int $postId, Author $author, ?string $thought = null, ?DateTime $createdAt = null, ?DateTime $updatedAt = null, ?DateTime $publishedAt = null, bool $published = true)
{
parent::__construct($postId, $author, 3, null, null, $createdAt, $updatedAt, $publishedAt, $published);
$this->thought = $thought;
}
public function getThought(): ?string
{
return $this->thought;
}
public function setThought(?string $thought): void
{
$this->thought = $thought;
}
}
// -- Repository for Topics --
class TopicRepository
{
// No $conn property needed as exec_stmt handles connection
public function __construct()
{
// Constructor is now empty
}
public function getAllTopics(): array
{
$result = exec_stmt('SELECT topic_id, topic FROM topics ORDER BY topic ASC', ''); // No params
$topics = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc()) {
$topics[] = new Topic((int) $row['topic_id'], $row['topic']);
}
$result->free();
} else {
// exec_stmt for SELECT should return mysqli_result. If not, it's an issue with exec_stmt or query.
error_log('TopicRepository::getAllTopics expected mysqli_result, got something else.');
}
return $topics;
}
public function findById(int $topicId): ?Topic
{
$result = exec_stmt('SELECT topic_id, topic FROM topics WHERE topic_id = ?', 'i', $topicId);
if ($result instanceof mysqli_result) {
if ($row = $result->fetch_assoc()) {
$result->free();
return new Topic((int) $row['topic_id'], $row['topic']);
}
$result->free();
}
return null;
}
public function findByName(string $name): ?Topic
{
$result = exec_stmt('SELECT topic_id, topic FROM topics WHERE topic = ?', 's', $name);
if ($result instanceof mysqli_result) {
if ($row = $result->fetch_assoc()) {
$result->free();
return new Topic((int) $row['topic_id'], $row['topic']);
}
$result->free();
}
return null;
}
public function findOrCreate(string $name): Topic
{
$topic = $this->findByName($name);
if ($topic) {
return $topic;
}
// topics.topic_id is AUTO_INCREMENT, so exec_stmt should return the new ID.
$newTopicId = exec_stmt('INSERT INTO topics (topic) VALUES (?)', 's', $name);
if (is_numeric($newTopicId) && $newTopicId > 0) {
return new Topic((int) $newTopicId, $name);
}
// If $newTopicId is 0 or not numeric, insert failed or exec_stmt behavior is unexpected.
throw new \RuntimeException('Failed to create topic or retrieve its ID: ' . $name);
}
}
// -- Repository for Posts --
class PostRepository
{
private TopicRepository $topicRepository;
private string $essayContentPath;
public function __construct(TopicRepository $topicRepository, string $essayContentPath)
{
$this->topicRepository = $topicRepository;
$this->essayContentPath = rtrim($essayContentPath, '/') . '/';
}
private function getAuthorFromDb(int $authorId): ?Author
{
$result = exec_stmt('SELECT user_id, username, profile_picture, bio, website FROM user WHERE user_id = ?', 'i', $authorId);
if ($result instanceof mysqli_result) {
$authorData = $result->fetch_assoc();
$result->free();
if ($authorData) {
return new Author(
(int) $authorData['user_id'],
$authorData['username'],
$authorData['profile_picture'],
$authorData['bio'],
$authorData['website']
);
}
} else {
error_log('PostRepository::getAuthorFromDb expected mysqli_result for author ID: ' . $authorId);
}
error_log('Author not found with ID: ' . $authorId);
return null;
}
private function hydratePost(array $row): ?Post
{
$author = $this->getAuthorFromDb((int) $row['author_id']);
if (!$author)
return null;
$postId = (int) $row['post_id'];
$postTypeId = (int) $row['post_type'];
$title = $row['title'];
$slug = $row['slug'];
$readCount = (int) $row['read_count'];
$createdAt = $row['created_at'] ? new DateTime($row['created_at']) : null;
$updatedAt = $row['updated_at'] ? new DateTime($row['updated_at']) : null;
$publishedAt = $row['published_at'] ? new DateTime($row['published_at']) : null;
$published = (bool) $row['published'];
$post = null;
switch ($postTypeId) {
case 1: // Essay
$markdown = $this->getEssayMarkdown($postId);
$post = new Essay($postId, $author, $title, $slug, $markdown, $row['excerpt'], null, $createdAt, $updatedAt, $publishedAt, $published);
break;
case 2: // Moment
$post = new Moment($postId, $author, $row['excerpt'], null, $createdAt, $updatedAt, $publishedAt, $published);
break;
case 3: // Thought
$post = new Thought($postId, $author, $row['excerpt'], $createdAt, $updatedAt, $publishedAt, $published);
break;
default:
error_log('Unknown post type ID: ' . $postTypeId);
return null;
}
if ($post)
$post->setReadCount($readCount);
return $post;
}
// File operations remain unchanged as they don't use the DB connection directly
private function getEssayMarkdown(int $postId): ?string
{ /* ... same as before ... */
$filePath = $this->essayContentPath . $postId . '/article.md';
if (file_exists($filePath) && is_readable($filePath)) {
return file_get_contents($filePath);
}
return null;
}
private function saveEssayMarkdown(int $postId, string $markdownContent): bool
{ /* ... same as before ... */
$dirPath = $this->essayContentPath . $postId . '/';
if (!is_dir($dirPath)) {
if (!mkdir($dirPath, 0755, true)) {
error_log('Failed to create directory: ' . $dirPath);
return false;
}
}
$filePath = $dirPath . 'article.md';
if (file_put_contents($filePath, $markdownContent) === false) {
error_log('Failed to write markdown file: ' . $filePath);
return false;
}
return true;
}
private function deleteEssayContentDirectory(int $postId): bool
{ /* ... same as before ... */
$dirPath = $this->essayContentPath . $postId . '/';
if (!is_dir($dirPath))
return true;
$files = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($dirPath, RecursiveDirectoryIterator::SKIP_DOTS),
RecursiveIteratorIterator::CHILD_FIRST
);
foreach ($files as $fileinfo) {
$todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
if (!@$todo($fileinfo->getRealPath())) {
error_log("Failed to {$todo} {$fileinfo->getRealPath()}");
return false;
}
}
if (!@rmdir($dirPath)) {
error_log("Failed to remove main directory {$dirPath}");
return false;
}
return true;
}
public function findById(int $postId): ?Post
{
$result = exec_stmt('SELECT * FROM posts WHERE post_id = ?', 'i', $postId);
if ($result instanceof mysqli_result) {
$row = $result->fetch_assoc();
$result->free();
return $row ? $this->hydratePost($row) : null;
}
error_log('PostRepository::findById expected mysqli_result for post ID: ' . $postId);
return null;
}
public function getPostIds(string $orderBy = 'published_at', string $direction = 'DESC'): array
{
// Basic validation for orderBy and direction
$orderBy = preg_replace('/[^a-zA-Z0-9_]/', '', $orderBy); // Basic sanitization
$direction = strtoupper($direction) === 'ASC' ? 'ASC' : 'DESC';
$sql = "SELECT post_id FROM posts ORDER BY $orderBy $direction";
$result = exec_stmt($sql, '');
$ids = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc())
$ids[] = (int) $row['post_id'];
$result->free();
} else {
error_log('Error in getPostIds: Expected mysqli_result.');
}
return $ids;
}
public function getAllPosts(string $orderBy = 'published_at', string $direction = 'DESC'): array
{
$orderBy = preg_replace('/[^a-zA-Z0-9_]/', '', $orderBy);
$direction = strtoupper($direction) === 'ASC' ? 'ASC' : 'DESC';
$sql = "SELECT * FROM posts ORDER BY $orderBy $direction";
$result = exec_stmt($sql, '');
$posts = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc()) {
if ($postObject = $this->hydratePost($row))
$posts[] = $postObject;
}
$result->free();
} else {
error_log('Error in getAllPosts: Expected mysqli_result.');
}
return $posts;
}
public function getPostIdsByAuthor(int $authorId, string $orderBy = 'published_at', string $direction = 'DESC'): array
{
$orderBy = preg_replace('/[^a-zA-Z0-9_]/', '', $orderBy);
$direction = strtoupper($direction) === 'ASC' ? 'ASC' : 'DESC';
$sql = "SELECT post_id FROM posts WHERE author_id = ? ORDER BY $orderBy $direction";
$result = exec_stmt($sql, 'i', $authorId);
$ids = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc())
$ids[] = (int) $row['post_id'];
$result->free();
} else {
error_log('Error in getPostIdsByAuthor: Expected mysqli_result.');
}
return $ids;
}
public function getPostsByAuthor(int $authorId, string $orderBy = 'published_at', string $direction = 'DESC'): array
{
$orderBy = preg_replace('/[^a-zA-Z0-9_.]/', '', $orderBy); // Allow dot for aliased columns
$direction = strtoupper($direction) === 'ASC' ? 'ASC' : 'DESC';
$sql = "SELECT * FROM posts WHERE author_id = ? ORDER BY $orderBy $direction";
$result = exec_stmt($sql, 'i', $authorId);
$posts = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc()) {
if ($postObject = $this->hydratePost($row))
$posts[] = $postObject;
}
$result->free();
} else {
error_log('Error in getPostsByAuthor: Expected mysqli_result.');
}
return $posts;
}
public function getPostIdsByTopicName(string $topicName, string $orderBy = 'p.published_at', string $direction = 'DESC'): array
{
$orderBy = preg_replace('/[^a-zA-Z0-9_.]/', '', $orderBy);
$direction = strtoupper($direction) === 'ASC' ? 'ASC' : 'DESC';
$sql = "SELECT p.post_id FROM posts p
INNER JOIN post_topics pt ON p.post_id = pt.post_id
INNER JOIN topics t ON pt.topic_id = t.topic_id
WHERE t.topic = ?
ORDER BY $orderBy $direction";
$result = exec_stmt($sql, 's', $topicName);
$ids = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc())
$ids[] = (int) $row['post_id'];
$result->free();
} else {
error_log('Error in getPostIdsByTopicName: Expected mysqli_result.');
}
return $ids;
}
public function getPostsByTopicName(string $topicName, string $orderBy = 'p.published_at', string $direction = 'DESC'): array
{
$orderBy = preg_replace('/[^a-zA-Z0-9_.]/', '', $orderBy);
$direction = strtoupper($direction) === 'ASC' ? 'ASC' : 'DESC';
$sql = "SELECT p.* FROM posts p
INNER JOIN post_topics pt ON p.post_id = pt.post_id
INNER JOIN topics t ON pt.topic_id = t.topic_id
WHERE t.topic = ?
ORDER BY $orderBy $direction";
$result = exec_stmt($sql, 's', $topicName);
$posts = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc()) {
if ($postObject = $this->hydratePost($row))
$posts[] = $postObject;
}
$result->free();
} else {
error_log('Error in getPostsByTopicName: Expected mysqli_result.');
}
return $posts;
}
private function updatePostTopics(int $postId, array $topicNames): void
{
// Delete existing topics for the post
// exec_stmt returns 0 for successful DELETE. No direct success check here.
exec_stmt('DELETE FROM post_topics WHERE post_id = ?', 'i', $postId);
if (empty($topicNames))
return;
// Batch insert is harder with this exec_stmt. Doing one by one.
// This is inefficient but simpler with the current exec_stmt.
foreach ($topicNames as $name) {
$topicObj = $this->topicRepository->findOrCreate(trim($name));
// post_topics has no auto-increment, exec_stmt will return 0 for success.
exec_stmt('INSERT INTO post_topics (post_id, topic_id) VALUES (?, ?)', 'ii', $postId, $topicObj->getId());
}
}
public function createPost(Post $post, array $topicNames = []): ?Post
{
// WARNING: No transaction possible with the provided exec_stmt for multi-step operations.
// Each exec_stmt is its own transaction.
try {
$sql = 'INSERT INTO posts (post_id, author_id, post_type, title, slug, read_count, created_at, updated_at, published_at, published, excerpt)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)';
$postIdVal = $post->getPostId();
$authorId = $post->getAuthor()->getUserId();
$postTypeId = $post->getPostTypeId();
$title = $post->getTitle();
$slug = $post->getSlug();
$readCount = $post->getReadCount();
$createdAtDb = $post->getCreatedAt() ? $post->getCreatedAt()->format('Y-m-d H:i:s') : (new DateTime())->format('Y-m-d H:i:s');
$updatedAtDb = $post->getUpdatedAt() ? $post->getUpdatedAt()->format('Y-m-d H:i:s') : (new DateTime())->format('Y-m-d H:i:s');
$publishedAtDb = $post->getPublishedAt() ? $post->getPublishedAt()->format('Y-m-d H:i:s') : null;
$published = (int) $post->isPublished();
$excerpt = null;
if ($post instanceof Essay)
$excerpt = $post->getExcerpt();
elseif ($post instanceof Moment)
$excerpt = $post->getCaption();
elseif ($post instanceof Thought)
$excerpt = $post->getThought();
// For INSERT on `posts` (no auto-increment PK), exec_stmt returns 0 on success.
$insertResult = exec_stmt(
$sql,
'iiississsis',
$postIdVal,
$authorId,
$postTypeId,
$title,
$slug,
$readCount,
$createdAtDb,
$updatedAtDb,
$publishedAtDb,
$published,
$excerpt
);
// We can't reliably check $insertResult for success of this specific insert.
// Assume success if no PHP error/exception was thrown by exec_stmt (though it doesn't throw).
if ($post instanceof Essay && $post->getMarkdown() !== null) {
if (!$this->saveEssayMarkdown($postIdVal, $post->getMarkdown())) {
// Rollback is not possible. Log error.
error_log('Failed to save essay markdown for post ID: ' . $postIdVal . '. DB insert was separate.');
// Potentially delete the created post record if consistency is critical, but that's complex.
}
}
$this->updatePostTopics($postIdVal, $topicNames); // Also not part of a transaction
return $this->findById($postIdVal);
} catch (\Exception $e) { // Catch any exceptions from our code, not exec_stmt
error_log("Error creating post (ID: {$post->getPostId()}): " . $e->getMessage());
return null;
}
}
public function updatePost(Post $post, array $topicNames = []): ?Post
{
// WARNING: No transaction possible.
try {
$sql = 'UPDATE posts SET author_id = ?, post_type = ?, title = ?, slug = ?,
updated_at = CURRENT_TIMESTAMP, published_at = ?, published = ?, excerpt = ?
WHERE post_id = ?';
$authorId = $post->getAuthor()->getUserId();
$postTypeId = $post->getPostTypeId();
$title = $post->getTitle();
$slug = $post->getSlug();
$publishedAtDb = $post->getPublishedAt() ? $post->getPublishedAt()->format('Y-m-d H:i:s') : null;
$published = (int) $post->isPublished();
$postIdVal = $post->getPostId();
$excerpt = null;
if ($post instanceof Essay)
$excerpt = $post->getExcerpt();
elseif ($post instanceof Moment)
$excerpt = $post->getCaption();
elseif ($post instanceof Thought)
$excerpt = $post->getThought();
// exec_stmt returns 0 for successful UPDATE.
exec_stmt(
$sql,
'iisssisi',
$authorId,
$postTypeId,
$title,
$slug,
$publishedAtDb,
$published,
$excerpt,
$postIdVal
);
if ($post instanceof Essay && $post->getMarkdown() !== null) {
if (!$this->saveEssayMarkdown($postIdVal, $post->getMarkdown())) {
error_log('Failed to save essay markdown for post ID: ' . $postIdVal . ' during update.');
}
}
$this->updatePostTopics($postIdVal, $topicNames);
return $this->findById($postIdVal);
} catch (\Exception $e) {
error_log("Error updating post (ID: {$post->getPostId()}): " . $e->getMessage());
return null;
}
}
/**
* Deletes a post.
* WARNING: Due to exec_stmt, this is not a transactional operation.
* Success of individual DB deletions is not reliably checkable.
* This method attempts the operations and logs errors.
* Consider changing return type to void as boolean success is ambiguous.
*/
public function deletePost(int $postId): void
{
try {
$postDataResult = exec_stmt('SELECT post_type FROM posts WHERE post_id = ?', 'i', $postId);
$postType = null;
if ($postDataResult instanceof mysqli_result && $row = $postDataResult->fetch_assoc()) {
$postType = (int) $row['post_type'];
$postDataResult->free();
}
exec_stmt('DELETE FROM post_topics WHERE post_id = ?', 'i', $postId);
exec_stmt('DELETE FROM posts WHERE post_id = ?', 'i', $postId);
// Cannot reliably check if the above deletes were successful or affected rows.
if ($postType === 1) { // Essay
if (!$this->deleteEssayContentDirectory($postId)) {
error_log('Failed to delete essay content directory for post ID: ' . $postId);
}
}
} catch (\Exception $e) {
error_log("Error during deletePost for ID $postId: " . $e->getMessage());
// Depending on desired behavior, re-throw or handle
}
}
/**
* Deletes posts by author.
* WARNING: Not transactional. Returns void as count of deleted posts cannot be reliably obtained from exec_stmt.
*/
public function deletePostsByAuthor(int $authorId): void
{
try {
$result = exec_stmt('SELECT post_id, post_type FROM posts WHERE author_id = ?', 'i', $authorId);
$postsToDelete = [];
if ($result instanceof mysqli_result) {
while ($row = $result->fetch_assoc())
$postsToDelete[] = $row;
$result->free();
} else {
error_log("Failed to fetch posts for deletion by author ID: $authorId");
return; // Exit if we can't get the list of posts
}
foreach ($postsToDelete as $postInfo) {
if ((int) $postInfo['post_type'] === 1) { // Essay
if (!$this->deleteEssayContentDirectory((int) $postInfo['post_id'])) {
error_log('Failed to delete essay content for post ' . $postInfo['post_id'] . ' during mass delete by author.');
}
}
// Handle Moment image deletion if any
}
// Must delete from child table `post_topics` first if no ON DELETE CASCADE, or if ensuring order.
// This is more complex with joins if exec_stmt doesn't handle it well.
// Simpler: iterate and delete topics for each post_id, or a broader delete.
foreach ($postsToDelete as $postInfo) {
exec_stmt('DELETE FROM post_topics WHERE post_id = ?', 'i', (int) $postInfo['post_id']);
}
exec_stmt('DELETE FROM posts WHERE author_id = ?', 'i', $authorId);
// Cannot get actual deleted count.
} catch (\Exception $e) {
error_log("Error deleting posts by author (ID: $authorId): " . $e->getMessage());
}
}
/**
* Increments read count for a post.
* WARNING: Success of the UPDATE is not reliably checkable with current exec_stmt.
*/
public function incrementReadCount(int $postId): void
{
// exec_stmt returns 0 for successful UPDATE.
exec_stmt('UPDATE posts SET read_count = read_count + 1 WHERE post_id = ?', 'i', $postId);
// No easy way to confirm success with current exec_stmt.
}
}
// Example Usage (Illustrative - this would go in your controller/logic files)
/*
* $topicRepo = new TopicRepository();
* // Ensure $_ENV['ESSAY_CONTENT_PATH'] is set in your environment/config
* $essayPath = $_ENV['ESSAY_CONTENT_PATH'] ?? '/path/to/your/site/public/essays';
* $postRepo = new PostRepository($topicRepo, $essayPath);
*
* // --- Fetching Posts ---
* // $allPosts = $postRepo->getAllPosts('created_at', 'DESC');
* // $post123 = $postRepo->findById(123);
* // if ($post123 instanceof Essay) {
* // echo "Essay Title: " . $post123->getTitle() . "\n";
* // }
*
* // --- Creating a new Essay ---
* // $author = $userRepo->findAuthorById(1); // Assuming a UserRepo or similar for authors
* // if ($author) {
* // $newEssayId = 1001; // Must be unique, not auto-incremented in schema
* // $newEssay = new Essay(
* // $newEssayId, $author, "My New OOP Essay", "my-new-oop-essay",
* // "# Hello World\n\nThis is markdown content.", "An excerpt about the essay."
* // );
* // $createdPost = $postRepo->createPost($newEssay, ['PHP', 'OOP', 'Refactoring']);
* // if ($createdPost) {
* // echo "Created Post ID: " . $createdPost->getPostId() . "\n";
* // } else {
* // echo "Failed to create post.\n";
* // }
* // }
*
* // No explicit $dbConnection->close(); needed as exec_stmt handles its own connections.
*/