php - Get the file extension -

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i'm exploding on "." file format , name:

list($txt, $ext) = explode(".", $name);

the problem files have names dots.

how explote on last "." $name=pic.n2 , $ext=jpg from: pic.n2.jpg?

use pathinfo:

$pi = pathinfo($name); $txt = $pi['filename']; $ext = $pi['extension'];

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