php-gdHow to get image type

$file = '/path/to/image';
$data = getimagesizefromstring(file_get_contents($file));
$type = $data['mime'];ctrl + cgithub

`$file` path to image of unknown type	`getimagesizefromstring` returns image meta data from given string
`file_get_contents` reads given file

<?php

$file = '/path/to/image';
$data = getimagesizefromstring(file_get_contents($file));

echo $data['mime'];

image/jpeg