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

1	<?php
2
3	namespace ImageMimeTypeGuesser\Detectors;
4
5	abstract class AbstractDetector
6	{
7	/**
8	* Try to detect mime type of image
9	*
10	* Returns:
11	* - mime type (string) (if it is in fact an image, and type could be determined)
12	* - false (if it is not an image type that the server knowns about)
13	* - null (if nothing can be determined)
14	*
15	* @param string $filePath The path to the file
16	* @return string\|false\|null mimetype (if it is an image, and type could be determined),
17	* false (if it is not an image type that the server knowns about)
18	* or null (if nothing can be determined)
19	*/
20	abstract protected function doDetect($filePath);
21
22	/**
23	* Create an instance of this class
24	*
25	* @return static
26	*/
27	public static function createInstance()
28	{
29	return new static();
30	}
31
32	/**
33	* Detect mime type of file (for images only)
34	*
35	* Returns:
36	* - mime type (string) (if it is in fact an image, and type could be determined)
37	* - false (if it is not an image type that the server knowns about)
38	* - null (if nothing can be determined)
39	*
40	* @param string $filePath The path to the file
41	* @return string\|false\|null mimetype (if it is an image, and type could be determined),
42	* false (if it is not an image type that the server knowns about)
43	* or null (if nothing can be determined)
44	*/
45	public static function detect($filePath)
46	{
47	if (!@file_exists($filePath)) {
48	return false;
49	}
50	return self::createInstance()->doDetect($filePath);
51	}
52	}