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

1	<?php
2
3	namespace ImageMimeTypeGuesser\Detectors;
4
5	class GetImageSize extends AbstractDetector
6	{
7
8	/**
9	* Try to detect mime type of image using getimagesize().
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	// getimagesize is slower than exif_imagetype
24	// It may not return "mime". In that case we can rely on that the file is not an image (and return false)
25	if (function_exists('getimagesize')) {
26	try {
27	$imageSize = getimagesize($filePath);
28	return (isset($imageSize['mime']) ? $imageSize['mime'] : false);
29	} catch (\Exception $e) {
30	// well well, don't let this stop us either
31	return null;
32	}
33	}
34	return null;
35	}
36	}