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This article mainly introduces "what is the function of php to achieve upload function". In daily operation, I believe that many people have doubts about what the function of php upload function is. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the question of "what is the function of php to achieve upload function?" Next, please follow the editor to study!

Php functions to achieve upload function are: 1, move_uploaded_file function; 2, getimagesize function; 3, extend function; 4, explode function; 5, count function and so on.

This article operating environment: Windows7 system, PHP7.1 version, Dell G3 computer.

What are the functions of php to implement upload function?

A detailed code example for php to realize the function of file upload

This function checks and ensures that the file specified by file is legally uploaded (that is, it is uploaded through the http post upload mechanism of the php tutorial). If the file is legal, move it to the file specified by newloc.

If file is not a legal file upload, no action will occur and move_uploaded_file () will return false.

If file is a legitimate upload file, but cannot be moved for some reason, and no action occurs, move_uploaded_file () returns false with a warning.

First, let's take a look at the settings of the upload form.

A simple file upload form at this point, on the "php upload function is what is the end of the study, I hope to be able to solve your doubts." The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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