php照片上传自动裁剪

<?php
if ($_FILES['image']['error'] == UPLOAD_ERR_OK) {
    $image = $_FILES['image']['tmp_name'];
    $imageInfo = getimagesize($image);
    $width = $imageInfo[0];
    $height = $imageInfo[1];
    $mime = $imageInfo['mime'];

    switch ($mime) {
        case 'image/jpeg':
            $source = imagecreatefromjpeg($image);
            break;
        case 'image/png':
            $source = imagecreatefrompng($image);
            break;
        // 其他图片类型处理
    }

    $newWidth = 200;
    $newHeight = 200;
    $destination = imagecreatetruecolor($newWidth, $newHeight);
    imagecopyresampled($destination, $source, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);

    $outputPath = 'uploads/cropped_image.jpg';
    imagejpeg($destination, $outputPath);
    imagedestroy($source);
    imagedestroy($destination);

    echo "图片已成功裁剪并保存到: " . $outputPath;
} else {
    echo "上传失败，请重试。";
}
?>