Answers for "what should write for getting extension of image in php"

get image extension in php

//get image extension of uploaded file in php
$imagetype = $_FILES['image']['name'];
$ext = pathinfo($imagetype, PATHINFO_EXTENSION);// get file extension

what should write for getting extension of image in php

$image_name = $_FILES['image']['name'];
        $ext = explode('.',$image_name);