Finding Extension of uploaded file (PHP)

PhpFile

Php Problem Overview

Can We find out the extension of the original file from $_FILES["file"]["tmp_name"] ? For example jpg or png etc?

Php Solutions

Solution 1 - Php

$name = $_FILES["file"]["name"];
$ext = end((explode(".", $name))); # extra () to prevent notice

echo $ext;

Solution 2 - Php

You could use pathinfo():

$path_parts = pathinfo($_FILES["file"]["name"]);
$extension = $path_parts['extension'];

Solution 3 - Php

Yes you can use $_FILES['file']['name'] to get the original name of the uploaded file. Just keep in mind that the extension may not always represent the real contents of the file.

Solution 4 - Php

Yes, assuming it's accurately named. It will retain its original name and extension.

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Content TypeOriginal AuthorOriginal Content on Stackoverflow
QuestionPeterView Question on Stackoverflow
Solution 1 - PhpDejan MarjanovićView Answer on Stackoverflow
Solution 2 - PhpJKSView Answer on Stackoverflow
Solution 3 - PhpGWWView Answer on Stackoverflow
Solution 4 - PhpthfView Answer on Stackoverflow