Code Coverage for /home/runner/work/image-mime-type-guesser/image-mime-type-guesser/src/Detectors/MimeContentType.php

1	<?php
2
3	namespace ImageMimeTypeGuesser\Detectors;
4
5	class MimeContentType extends AbstractDetector
6	{
7
8	/**
9	* Try to detect mime type of image using mime_content_type().
10	*
11	* Returns:
12	* - mime type (string) (if it is in fact an image, and type could be determined)
13	* - false (if it is not an image type that the server knowns about)
14	* - null (if nothing can be determined)
15	*
16	* @param string $filePath The path to the file
17	* @return string\|false\|null mimetype (if it is an image, and type could be determined),
18	* false (if it is not an image type that the server knowns about)
19	* or null (if nothing can be determined)
20	*/
21	protected function doDetect($filePath)
22	{
23	// mime_content_type supposedly used to be deprecated, but it seems it isn't anymore
24	// it may return false on failure.
25	if (function_exists('mime_content_type')) {
26	try {
27	$result = mime_content_type($filePath);
28	if ($result !== false) {
29	if (strpos($result, 'image/') === 0) {
30	return $result;
31	} else {
32	return false;
33	}
34	}
35	} catch (\Exception $e) {
36	// we are unstoppable!
37
38	// TODO:
39	// We should probably throw... - we will do in version 1.0.0
40	//throw $e;
41	}
42	}
43	return null;
44	}
45	}