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軟體簡介:
　
The basic process of uploading files with PHP is very simple, but there
are security implications that many people are unaware of. This course
shows how to create a secure custom PHP class that can handle both
single-file and multi-file uploads. Author David Powers shows you how to
create a file upload class that checks the size, type, and names of files,
renaming them when it encounters a duplicate file name. He'll show you how
to make the class report on the outcome of the upload process and the
nature of any errors that occur, and how to prevent the user from
uploading files that exceed the server limits.

At the end of this course, you'll have a robust, flexible class that can
be incorporated into many projects (including web forms) with just a few
lines of code.

Topics include:
* How PHP handles file uploads
* Setting the maximum file size
* Moving the file to its destination
* Creating and using a namespaced class
* Displaying error messages
* Restricting unacceptable MIME types and file extensions
* Using the class
* Reporting errors
* Altering the user

author: David Powers
subject: Developer, Programming Languages, Web Development
software: PHP
level: Intermediate
duration: 2h 50m
released: Feb 24, 2014