php 从 Laravel 中上传的文件中获取图像扩展名
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Get an image extension from an uploaded file in Laravel
提问by Italo Borges
I have been trying to get the extension from an uploaded file, searching on google, I got no results.
我一直试图从上传的文件中获取扩展名，在谷歌上搜索，但没有结果。
The file already exists in a path:
该文件已存在于路径中：
\Storage::get('/uploads/categories/featured_image.jpg);
Now, How can I get the extension of this file above?
现在，我怎样才能得到上面这个文件的扩展名？
Using input fields I can get the extension like this:
使用输入字段我可以得到这样的扩展：
Input::file('thumb')->getClientOriginalExtension();
Thanks.
谢谢。
采纳答案by Jeremy Harris
You can use the pathinfo()function built into PHP for that:
您可以使用PHP 内置的pathinfo()函数：
$info = pathinfo(storage_path().'/uploads/categories/featured_image.jpg');
$ext = $info['extension'];
Or more concisely, you can pass an option get get it directly;
或者更简洁地说，你可以直接传递一个选项 get get ；
$ext = pathinfo(storage_path().'/uploads/categories/featured_image.jpg', PATHINFO_EXTENSION);
回答by Alfredo EM
The Laravel way
Laravel 方式
Try this:
尝试这个：
$foo = \File::extension($filename);
回答by Amir Hossein
Tested in laravel 5.5
在 Laravel 5.5 中测试
$extension = $request->file('file')->extension();
回答by Daniel Camargo
Yet another way to do it:
另一种方法来做到这一点：
//Where $file is an instance of Illuminate\Http\UploadFile
$extension = $file->getClientOriginalExtension();
回答by aynber
If you just want the extension, you can use pathinfo:
如果您只想要扩展名，可以使用pathinfo：
$ext = pathinfo($file_path, PATHINFO_EXTENSION);
回答by BCPNAYAK
//working code from laravel 5.2
public function store(Request $request)
{
$file = $request->file('file');
if($file)
{
$extension = $file->clientExtension();
}
echo $extension;
}
回答by secrethash
Or can use the Extension SplitterTrickster::getExtention()function of https://github.com/secrethash/trickster
或者可以使用https://github.com/secrethash/trickster的Extension SplitterTrickster::getExtention()功能
Trickster::getExtention('some-funny.image.jpg');It returns jpg
Trickster::getExtention('some-funny.image.jpg');它返回 jpg
