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How to get file extension in php

How to get file extension in php

Posted on October 16, 2019February 5, 2020 By XpertPhp No Comments on How to get file extension in php

In this article, we will tell you how to get a file extension in PHP. The file extension is most important for file validation. for example when you upload some file and then you need to file type validation. like image extension jpg, png, and gif and file extension zip, pdf, and doc.

Now, let’s discuss about that, there are many ways to get file extension in PHP, but some ways we shared so you can see the following below example.

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<?php
$ext = explode('.', $filename);
echo $ext[1];
 
$ext = end(explode(".", $filename));
echo $ext;
 
$ext = pathinfo($filename, PATHINFO_EXTENSION);
echo $ext;
 
$ext = substr($filename, strrpos($filename, '.', -1), strlen($filename));
echo $ext;
?>

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Php Tags:file upload, File Upload in PHP MySQL, File Validation, Image Upload, PHP File Upload Script

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