Cofem/lib/meme.php

<?php

function addMeme(string $memeText, int $imageID): bool
{
    global $mysqli;

    if (isLoggedIn() && fileExists($imageID)) {
        $stmtMemeAdd = $mysqli->prepare('INSERT INTO Memes (AuthorID, Title, TextContent, FileID) VALUES (?, ?, ?)');
        $stmtMemeAdd->bind_param('issi', $_SESSION['ID'], htmlspecialchars($memeText), $imageID);
        $stmtMemeAdd->execute();
        return true;
    }
    return false;
}

function renderMemeGallery(): string
{
    global $mysqli;
    $stmtlist = $mysqli->prepare('SELECT Memes.ID, Memes.Title Memes.TextContent, Memes.CreatedAt, Files.Path, Files.Type, Users.Nickname FROM Memes INNER JOIN Users ON Memes.AuthorID = Users.ID INNER JOIN Files ON Memes.FileID = Files.ID');

    // Execute the prepared statement
    $stmtlist->execute();
    $memeID = 0;
    $title = "";
    $textContent = "";
    $filePath = "";
    $fileType = "";
    $userNickname = "";
    $createdAt = "";
    // Bind the result variables
    $stmtlist->bind_result($memeID, $title, $textContent, $createdAt, $filePath, $fileType, $userNickname);

// Fetch the results
    while ($stmtlist->fetch()) {

    }

// Close the statement
    $stmtlist->close();
    return "";
}