This article summarizes the introduction of PHP file upload and error code. For more information, see this article. The upload operation code is as follows: Copy the code! DOCTYPEht...
This article summarizes the introduction of PHP file upload and error code. For more information, see this article.
Upload operation code
| The code is as follows: |
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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'].'!
'; // Output if the file is uploaded successfully
?>
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Html
| The code is as follows: |
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Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd>
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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.
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