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Php file Upload move_uploaded_file function

Source: Internet
Author: User
Tags http post php file php file upload
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Syntax
Move_uploaded_file (file, newloc) parameter description
File is required. Specifies the file to be moved.
Newloc is required. Specifies the new location of the file

The code is as follows: Copy code

<! Doctype html public "-// w3c // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.111cn.net/1999/xhtml">
<Head>
<Meta http-equiv = "content-type" content = "text/html; charset = gb2312"/>
<Title> php file upload function </title>
</Head>

<Body>

<Form enctype = "multipart/form-data" action = "upload. php" method = "post">
<Input type = "hidden" name = "max_file_size" value = "30000"/>
<Input name = "userfile" type = "file"/>
<Input type = "submit" value = "send file"/>
</Form>
</Body>
</Html>
The code is as follows: Copy code
<?
If ($ _ post)
{
If (uploadfile ("userfile "))
 {
Echo 'file uploaded successfully ';
 }
Else
 {
Echo 'file Upload failed ';
 }
}
// The parameter $ file is the name of the foreground file control;
Function uploadfile ($ file)
{
$ Uploaddir = $ _ server ['document _ root']. '/www.111cn.net/uploadfile /';
$ File_name = $ uploaddir. rand (1,000000). ".". fileextend ($ _ files [$ file] ['name']);
If (move_uploaded_file ($ _ files [$ file] ['tmp _ name'], $ file_name ))
    {
Return true;
    }
Else
    {
Return false;
    }
}
?>

Tips and comments
Note: This function is only used for files uploaded through http post.

Note: If the target file already exists, it will be overwritten.

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Related Keywords:
file upload function in php php upload function file php upload jquery upload file php php check file upload php encrypt file upload php file manager upload

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