PHP/JS - 动态创建缩略图或存储为文件

$filename = 'example-thumbnail.jpg';
$filepath = '/path/to/temporary/directory/'.$filename;

move_uploaded_file($_FILES['image']['tmp_name'], $filepath);

$image = $_SERVER['DOCUMENT_ROOT'] . '/path/to/public/image/'.$filename;
$create_thumb = '<img src="'.$image.'">';

$thumb = imagecreatetruecolor(300, 300);
$source = imagecreatefromjpeg($filepath);
imagecopyresized($thumb, $source, 0, 0, 0, 0, 300, 300, imagesx($source), imagesy($source));
imagejpeg($thumb, $image, 90);
imagedestroy($thumb);

$filename = 'example.jpg';
$filepath = '/path/to/public/image/'.$filename;

if (is_uploaded_file($_FILES['image']['tmp_name']) && move_uploaded_file($_FILES['image']['tmp_name'], $filepath)) {
    $image_contents = file_get_contents($_FILES['image']['tmp_name']);
    file_put_contents($filepath, $image_contents);
} else {
    // 处理错误
}