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上传到数据库时图像已损坏，所以我尝试执行 base64_encode，但它对我能做什么没有任何建议？这是一个学校项目，还有 2 天到期，希望您能提供帮助：/ thx 并感谢您的帮助。

<?php

session_start();

include_once('../includes/connection.php');

if(isset($_SESSION['logged_in'])){
if(isset($_POST['title'], $_POST['content'], $_POST['image'] )){
    $title = $_POST['title'];
    $image = $_POST['image'];
    $image = base64_encode($image); 
    $content = nl2br($_POST['content']);

    if(empty($title) or empty($content) or empty($content)){
        $error = 'All fields are required';
    } else{
        $query = $pdo->prepare('INSERT INTO articles (article_title, article_content, picture_upload) VALUES (?, ?, ?)');

        $query->bindValue(1, $title);
        $query->bindValue(2, $content);
        $query->bindValue(3, $image);

        $query->execute();

        header('Location: index.php');
    }
}
?>
<html>
<head>
    <title>CMS</title>
    <link rel="stylesheet" href="../assets/style.css"
</head>

<body>
    <div class="container">
        <a href="index.php" id="logo">CMS</a>       
        <br />
        <h4>Add Article</h4>
        <?php if(isset($error)){ ?>
            <small style="color:#aa0000;"><?php echo $error;?> </small>
        <?php } ?>
        <br /><br />
        <form action="add.php" method="post" autocomplete="off">
            <input type="text" name="title" placeholder="Title" />
            <br /><br /> <input type="file" name="image" id="file"><br><br />
            <textarea rows="15" cols="50" placeholder="Content" name="content"></textarea>
            <input type="submit" value="Submit Article" />
        </form>
    </div>
</body>
<?php
} else{
header('Location index.php');
}

?>
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