Upload operation code
| 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.w3.org/1999/xhtml" xml: lang = "en">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> </title>
</Head>
<Body>
<? Php
If ($ _ FILES ['myfile'] ['error']> 0) {// checks whether the file is successfully uploaded to the server. 0 indicates that the file is successfully uploaded.
Echo 'Error :';
Switch ($ _ FILES ['myfile'] ['error']) {
Case UPLOAD_ERR_ OK:
$ Response = 'There is no error, the file uploaded with success .';
Break;
Case UPLOAD_ERR_INI_SIZE:
$ Response = 'the uploaded file exceeds The upload_max_filesize directive in php. ini .';
Break;
Case UPLOAD_ERR_FORM_SIZE:
$ Response = 'the uploaded file exceeds The MAX_FILE_SIZE direve VE that was specified in the HTML form .';
Break;
Case UPLOAD_ERR_PARTIAL:
$ Response = 'the uploaded file was only partially uploaded .';
Break;
Case UPLOAD_ERR_NO_FILE:
$ Response = 'No file was uploaded .';
Break;
Case UPLOAD_ERR_NO_TMP_DIR:
$ Response = 'missing a temporary folder. Introduced in PHP 4.3.10 and PHP 5.0.3 .';
Break;
Case UPLOAD_ERR_CANT_WRITE:
$ Response = 'failed' to write file to disk. Introduced in PHP 5.1.0 .';
Break;
Case UPLOAD_ERR_EXTENSION:
$ Response = 'File upload stopped by extension. Introduced in PHP 5.2.0 .';
Break;
Default:
$ Response = 'unknown error ';
Break;
}
Echo $ response;
Exit; // if $ _ FILES ['myfile'] ['error'] is greater than 0, an error occurs. Output the error message and exit the program.
}
// Obtain the primary and subtypes in the MIME type of the uploaded file
List ($ maintype, $ subtype) = explode ("/", $ _ FILES ['myfile'] ['type']);
If ($ maintype = "text") {// The Upload cannot be uploaded because the master node is used, such as. Txt. html. php.
Echo: text files cannot be uploaded. ';
Exit; // exit the program if the user uploads a text file
}
$ Upfile = './uploads/'. time (). $ _ FILES ['myfile'] ['name']; // defines the uploaded location and new file name
If (is_uploaded_file ($ _ FILES ['myfile'] ['tmp _ name']) {// Determine whether the file is uploaded
If (! Move_uploaded_file ($ _ FILES ['myfile'] ['tmp _ name'], $ upfile) {// move a file from
Echo: the file cannot be moved to the specified directory. ';
Exit;
}
} Else {
Echo 'problem: uploading a file is not a legal file :';
Echo $ _ FILES ['myfile'] ['name'];
Exit;
}
Echo 'File: '. $ upfile.' uploaded successfully. The size is '. $ _ FILES ['myfile'] ['size'].'! <Br> '; // output if the file is uploaded successfully
?>
</Body>
</Html> |
Html
| 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.w3.org/1999/xhtml" xml: lang = "en">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> </title>
</Head>
<Body>
<Form action = "upload. php" method = "post" enctype = "multipart/form-data">
<Input type = "hidden" name = "MAX_FILE_SIZE" value = "1000000">
Select a file: <input type = "file" name = "myfile">
<Input type = "submit" value = "Upload file">
</Form>
</Body>
</Html> |
Some common error codes when uploading files
0 | UPLOAD_ERR_ OK | the file is successfully uploaded.
1 | UPLOAD_ERR_INI_SIZE | Size exceeds upload_max_filesize in php. ini.
2 | UPLOAD_ERR_FORM_SIZE | Size exceeds MAX_FILE_SIZE specified in HTML form.
3 | UPLOAD_ERR_PARTIAL | the file is not completely uploaded.
4 | UPLOAD_ERR_NO_FILE | no file was uploaded.
5 | UPLOAD_ERROR_E | As expliained by @ Progman, removed in rev. 81792
6 | UPLOAD_ERR_NO_TMP_DIR | the temporary folder cannot be found.
7 | UPLOAD_ERR_CANT_WRITE | the disk cannot be written.
8 | UPLOAD_ERR_EXTENSION | File upload stopped by extension.
