php 如何在不更改扩展名的情况下更改上传文件的名称
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How to change name of uploaded file without changing extension
提问by Mirgorod
i'd like to change the name of uploaded file to md5(file_name).ext, where ext is extension of uploaded file. Is there any function which can help me to do it?
我想将上传文件的名称更改为 md5(file_name).ext，其中 ext 是上传文件的扩展名。有什么功能可以帮助我做到这一点吗？
回答by Gaurav
$filename = basename($_FILES['file']['name']);
$extension = pathinfo($filename, PATHINFO_EXTENSION);
$new = md5($filename).'.'.$extension;
if (move_uploaded_file($_FILES['file']['tmp_name'], "/path/{$new}"))
{
// other code
}
回答by Varun Mittal
Use this function to change the file name to md5 with the same extension
使用此函数将文件名更改为具有相同扩展名的 md5
function convert_filename_to_md5($filename) {
$filename_parts = explode('.',$filename);
$count = count($filename_parts);
if($count> 1) {
$ext = $filename_parts[$count-1];
unset($filename_parts[$count-1]);
$filename_to_md5 = implode('.',$filename_parts);
$newName = md5($filename_to_md5). '.' . $ext ;
} else {
$newName = md5($filename);
}
return $newName;
}
回答by shameem
<?php
$filename = $_FILES['file']['name'];
$extension = pathinfo($filename, PATHINFO_EXTENSION);
$new = rand(0000,9999);
$newfilename=$new.$filename.$extension;
if (move_uploaded_file($_FILES['file']['tmp_name'],$newfilename))
{
//advanced code
}
?>
回答by Sanjeev Chauhan
Find below php code to get file extension and change file name
找到下面的php代码以获取文件扩展名并更改文件名
<?php
if(isset($_FILES['upload_Image']['name']) && $_FILES['upload_Image']['name']!=='') {
$ext = substr($_FILES['upload_Image']['name'], strpos($_FILES['upload_Image']['name'],'.'), strlen($_FILES['upload_Image']['name'])-1);
$imageName = time().$ext;
$normalDestination = "Photos/Orignal/" . $imageName;
move_uploaded_file($_FILES['upload_Image']['tmp_name'], $normalDestination);
}
?>
回答by Usf Ahmed Subehi
This one work
这一项工作
<?php
// Your file name you are uploading
$file_name = $HTTP_POST_FILES['ufile']['name'];
// random 4 digit to add to our file name
// some people use date and time in stead of random digit
$random_digit=rand(0000,9999);
//combine random digit to you file name to create new file name
//use dot (.) to combile these two variables
$new_file_name=$random_digit.$file_name;
//set where you want to store files
//in this example we keep file in folder upload
//$new_file_name = new upload file name
//for example upload file name cartoon.gif . $path will be upload/cartoon.gif
$path= "upload/".$new_file_name;
if($ufile !=none)
{
if(copy($HTTP_POST_FILES['ufile']['tmp_name'], $path))
{
echo "Successful<BR/>";
//$new_file_name = new file name
//$HTTP_POST_FILES['ufile']['size'] = file size
//$HTTP_POST_FILES['ufile']['type'] = type of file
echo "File Name :".$new_file_name."<BR/>";
echo "File Size :".$HTTP_POST_FILES['ufile']['size']."<BR/>";
echo "File Type :".$HTTP_POST_FILES['ufile']['type']."<BR/>";
}
else
{
echo "Error";
}
}
?>
