Two different ways to find file extension in PHP

You can find a file extension in PHP using different ways.

Today I'll show you two different ways.

The first is a built-in PHP function called pathinfo(), which is used as follows:

$ext = pathinfo($filepath, PATHINFO_EXTENSION);

 Or by using some geeky PHP code as follows:

$path = '/path/to/img.gif';
$path = explode('.',$path);
$path = end($path);

That's It!

Sometimes, the key is in simplicity 

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