phpweb图片文件夹

// 示例代码：检查文件路径和权限
if (file_exists('path/to/image.jpg') && is_readable('path/to/image.jpg')) {
    echo '<img src="path/to/image.jpg" alt="Example Image">';
} else {
    echo '图片无法显示';
}

// 示例代码：处理图片上传
if ($_FILES['image']['error'] === UPLOAD_ERR_OK) {
    $uploadPath = 'path/to/upload/';
    $fileName = basename($_FILES['image']['name']);
    if (move_uploaded_file($_FILES['image']['tmp_name'], $uploadPath . $fileName)) {
        echo '图片上传成功';
    } else {
        echo '图片上传失败';
    }
} else {
    echo '上传错误：' . $_FILES['image']['error'];
}

// 示例代码：安全处理图片上传
$uploadPath = 'path/to/upload/';
$fileName = uniqid() . '.' . pathinfo($_FILES['image']['name'], PATHINFO_EXTENSION);
if (move_uploaded_file($_FILES['image']['tmp_name'], $uploadPath . $fileName)) {
    // 验证文件类型和大小
    $imageInfo = getimagesize($_FILES['image']['tmp_name']);
    if ($imageInfo !== false && $imageInfo[2] === IMAGETYPE_JPEG && $_FILES['image']['size'] <= 5 * 1024 * 1024) {
        echo '图片上传成功';
    } else {
        unlink($uploadPath . $fileName);
        echo '无效的图片文件';
    }
} else {
    echo '图片上传失败';
}