GuessFromExtension::guess() - Code Metrics - Inspection of "Improved doc comments" - rosell-dk/image-mime-type-guesser - Measure and Improve Code Quality continuously with Scrutinizer

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by Bjørn

created 2019-03-28 08:09 UTC

GuessFromExtension::guess() C

↳ Parent: GuessFromExtension

Complexity

Conditions	16
Paths	16

Size

Total Lines	32
Code Lines	24

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	16
eloc	24
nc	16
nop	1
dl	0
loc	32
rs	5.5666
c	0
b	0
f	0

How to fix Complexity

<?php

/**
 * ImageMimeTypeGuesser - Detect / guess mime type of an image
 *
 * @link https://github.com/rosell-dk/image-mime-type-guesser
 * @license MIT
 */

namespace ImageMimeTypeGuesser;

class GuessFromExtension
{


    /**
     *  Make a wild guess based on file extension.
     *
     *  - and I mean wild!
     *
     *  Only most popular image types are recognized.
     *  Many are not. See this list: https://www.iana.org/assignments/media-types/media-types.xhtml
     *                - and the constants here: https://secure.php.net/manual/en/function.exif-imagetype.php
     *
     *  If no mapping found, nothing is returned
     *
     *  TODO: jp2, jpx, ...
     * Returns:
     * - mimetype (if file extension could be mapped to an image type),
     * - false (if file extension could be mapped to a type known not to be an image type)
     * - void (if file extension could not be mapped to any mime type, using our little list)
     *
     * @param  string  $filePath  The path to the file
     * @return string|false|void  mimetype (if file extension could be mapped to an image type),
     *    false (if file extension could be mapped to a type known not to be an image type)
     *    or void (if file extension could not be mapped to any mime type, using our little list)
     */
    public static function guess($filePath)
    {
        $fileExtension = pathinfo($filePath, PATHINFO_EXTENSION);
        $fileExtension = strtolower($fileExtension);

        switch ($fileExtension) {
            case 'bmp':
            case 'gif':
            case 'jpeg':
            case 'png':
            case 'tiff':
            case 'webp':
                return 'image/' . $fileExtension;

            case 'ico':
                return 'image/vnd.microsoft.icon';      // or perhaps 'x-icon' ?

            case 'jpg':
                return 'image/jpeg';

            case 'svg':
                return 'image/svg+xml';

            case 'tif':
                return 'image/tiff';

            case 'txt':
            case 'doc':
            case 'exe':
            case 'zip':
            case 'gz':
                return false;

        }
    }
}


1			<?php
2
3			/**
4			* ImageMimeTypeGuesser - Detect / guess mime type of an image
5			*
6			* @link https://github.com/rosell-dk/image-mime-type-guesser
7			* @license MIT
8			*/
9
10			namespace ImageMimeTypeGuesser;
11
12			class GuessFromExtension
13			{
14
15
16			/**
17			* Make a wild guess based on file extension.
18			*
19			* - and I mean wild!
20			*
21			* Only most popular image types are recognized.
22			* Many are not. See this list: https://www.iana.org/assignments/media-types/media-types.xhtml
23			* - and the constants here: https://secure.php.net/manual/en/function.exif-imagetype.php
24			*
25			* If no mapping found, nothing is returned
26			*
27			* TODO: jp2, jpx, ...
28			* Returns:
29			* - mimetype (if file extension could be mapped to an image type),
30			* - false (if file extension could be mapped to a type known not to be an image type)
31			* - void (if file extension could not be mapped to any mime type, using our little list)
32			*
33			* @param string $filePath The path to the file
34			* @return string\|false\|void mimetype (if file extension could be mapped to an image type),
35			* false (if file extension could be mapped to a type known not to be an image type)
36			* or void (if file extension could not be mapped to any mime type, using our little list)
37			*/
38			public static function guess($filePath)
39			{
40			$fileExtension = pathinfo($filePath, PATHINFO_EXTENSION);
41			$fileExtension = strtolower($fileExtension);
42
43			switch ($fileExtension) {
44			case 'bmp':
45			case 'gif':
46			case 'jpeg':
47			case 'png':
48			case 'tiff':
49			case 'webp':
50			return 'image/' . $fileExtension;
51
52			case 'ico':
53			return 'image/vnd.microsoft.icon'; // or perhaps 'x-icon' ?
54
55			case 'jpg':
56			return 'image/jpeg';
57
58			case 'svg':
59			return 'image/svg+xml';
60
61			case 'tif':
62			return 'image/tiff';
63
64			case 'txt':
65			case 'doc':
66			case 'exe':
67			case 'zip':
68			case 'gz':
69			return false;
70
71			}
72			}
73			}
74

rosell-dk / image-mime-type-guesser

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GuessFromExtension::guess() C

Complexity

Size

Duplication

Importance

How to fix Complexity

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