[李景山php]每天laravel-20161017|UploadedFile.php

<?php

namespace Illuminate\Http;

use Illuminate\Support\Traits\Macroable;
use Symfony\Component\HttpFoundation\File\UploadedFile as SymfonyUploadedFile;
// more name space and trait
class UploadedFile extends SymfonyUploadedFile
{
use Macroable;// use trait

/**
* Get the fully qualified path to the file.
*
* @return string
*/
public function path()
{
return $this->getRealPath();
}// get path ,then use the real path

/**
* Get the file's extension.
*
* @return string
*/
public function extension()
{
return $this->guessClientExtension();
}// get extension

/**
* Get a filename for the file that is the MD5 hash of the contents.
*
* @return string
*/
public function hashName()
{
return md5_file($this->path()).'.'.$this->extension();// md5_file
}//Get a filename for the file that is the MD5 hash of the contents.
// get a type of the md5 about file

/**
* Create a new file instance from a base instance.
*
* @param  \Symfony\Component\HttpFoundation\File\UploadedFile  $file
* @return static
*/
public static function createFromBase(SymfonyUploadedFile $file)
{
return $file instanceof static ? $file : new static(
$file->getPathname(), $file->getClientOriginalName(), $file->getClientMimeType(),
$file->getClientSize(), $file->getError()
);// return $file
// to long
}// Create a new file instance from a base instance.
}