PHP Upload files Common errors

Today in the file upload process encountered in the file upload is not over, and the page error, and finally through the review summary has the following aspects

Upload File Error code

error=0 Normal Upload

Error=1 upload size exceeds input[type=file] File upload box maximum size

Error=4 not upload any files

Two limitations encountered with file uploads

1.post limit

The maximum allowable upload for the form is around 3M, and you can set the value of Post_max_size in the php.ini configuration file.

If the upper limit is exceeded, the form refuses to carry the data.

2.upload limit

To modify the value of upload_max_filesize in php.ini

PHP Upload files Common errors