StringUtils::getFileExtension() - Code Metrics - webservices-nl/utils - Measure and Improve Code Quality continuously with Scrutinizer

StringUtils::getFileExtension() A
last analyzed 2017-03-21 13:18 UTC

↳ Parent: StringUtils

Complexity

Conditions	3
Paths	3

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	9
ccs	5
cts	5
cp	1
rs	9.6666
c	0
b	0
f	0
cc	3
eloc	5
nc	3
nop	2
crap	3

<?php

namespace WebservicesNl\Utils;

use Ddeboer\Transcoder\Transcoder;

/**
 * Class StringUtils.
 */
class StringUtils
{
    /**
     * @param string $filename
     * @param bool   $lowercase
     *
     * @throws \InvalidArgumentException
     *
     * @return string
     */
    public static function getFileExtension($filename, $lowercase = true)
    {
        if (false === is_string($filename)) {
            throw new \InvalidArgumentException(sprintf('Filename must be a string, %s given', gettype($filename)));
        }
        $extension = pathinfo($filename, PATHINFO_EXTENSION);

        return $lowercase ? strtolower($extension) : $extension;
    }

    /**
     * Determine if a string ends with a particular sequence.
     *
     * @param string $haystack
     * @param string $needle
     *
     * @throws \InvalidArgumentException
     *
     * @return bool
     */
    public static function stringEndsWith($haystack, $needle)
    {
        if (!is_string($haystack) || !is_string($needle)) {
            throw new \InvalidArgumentException('Not a string');
        }

        return (strrpos($haystack, $needle) + strlen($needle)) === strlen($haystack);
    }

    /**
     * Determine if a string starts with a particular sequence.
     *
     * @param string $haystack
     * @param string $needle
     *
     * @throws \InvalidArgumentException
     *
     * @return bool
     */
    public static function stringStartsWith($haystack, $needle)
    {
        if (!is_string($haystack) || !is_string($needle)) {
            throw new \InvalidArgumentException('Not a string');
        }

        return strpos($haystack, $needle) === 0;
    }

    /**
     * Remove the prefix from the provided string.
     *
     * @param string $haystack
     * @param string $prefix
     *
     * @throws \InvalidArgumentException
     *
     * @return string
     */
    public static function removePrefix($haystack, $prefix)
    {
        if (!is_string($haystack) || !is_string($prefix)) {
            throw new \InvalidArgumentException('Not a string');
        }

        if (strpos($haystack, $prefix) === 0) {
            $haystack = substr($haystack, strlen($prefix));
        }

        return $haystack;
    }

    /**
     * Convert strings with underscores into CamelCase (for getters and setters).
     *
     * @param string $string        The string to convert
     * @param bool   $firstCharCaps camelCase or CamelCase
     *
     * @throws \Ddeboer\Transcoder\Exception\UnsupportedEncodingException
     * @throws \Ddeboer\Transcoder\Exception\ExtensionMissingException
     * @throws \InvalidArgumentException
     *
     * @return string The converted string
     */
    public static function toCamelCase($string, $firstCharCaps = true)
    {
        if (!is_string($string)) {
            throw new \InvalidArgumentException('Not a string');
        }

        $transcoder = Transcoder::create();
        $string = $transcoder->transcode($string);

        if ($firstCharCaps === true) {
            $string = ucfirst($string);
        }

        return $string;
    }

    /**
     * Internal function for toUnderscore.
     *
     * @param string $word
     *
     * @throws \InvalidArgumentException
     *
     * @return string
     */
    private static function wordToUnderscored($word)

    {
        return strtolower(
            trim(
                preg_replace(
                    '~[^a-z^\d]+~i',
                    '_',
                    preg_replace(
                        '~([a-z\d+])([A-Z])~',
                        '\1_\2',
                        preg_replace('~([A-Z]+)([A-Z][a-z])~', '\1_\2', $word)
                    )
                ),
                '_'
            )
        );
    }

    /**
     * Converts a string to underscore version.
     * Also tries to filter out higher UTF-8 chars.
     *
     * @param string $string
     *
     * @throws \Ddeboer\Transcoder\Exception\UnsupportedEncodingException
     * @throws \Ddeboer\Transcoder\Exception\ExtensionMissingException
     * @throws \InvalidArgumentException
     *
     * @return string
     */
    public static function toUnderscore($string)
    {
        if (!is_string($string)) {
            throw new \InvalidArgumentException('Not a string');
        }

        $transCoder = Transcoder::create('ASCII');
        $string = $transCoder->transcode(trim($string));
        $words = explode(' ', $string);

        return implode('_', array_filter(array_map([static::class, 'wordToUnderscored'], $words)));
    }
}


1		<?php
2
3		namespace WebservicesNl\Utils;
4
5		use Ddeboer\Transcoder\Transcoder;
6
7		/**
8		* Class StringUtils.
9		*/
10		class StringUtils
11		{
12		/**
13		* @param string $filename
14		* @param bool $lowercase
15		*
16		* @throws \InvalidArgumentException
17		*
18		* @return string
19		*/
20	9	public static function getFileExtension($filename, $lowercase = true)
21		{
22	9	if (false === is_string($filename)) {
23	5	throw new \InvalidArgumentException(sprintf('Filename must be a string, %s given', gettype($filename)));
24		}
25	4	$extension = pathinfo($filename, PATHINFO_EXTENSION);
26
27	4	return $lowercase ? strtolower($extension) : $extension;
28		}
29
30		/**
31		* Determine if a string ends with a particular sequence.
32		*
33		* @param string $haystack
34		* @param string $needle
35		*
36		* @throws \InvalidArgumentException
37		*
38		* @return bool
39		*/
40	12	public static function stringEndsWith($haystack, $needle)
41		{
42	12	if (!is_string($haystack) \|\| !is_string($needle)) {
43	4	throw new \InvalidArgumentException('Not a string');
44		}
45
46	8	return (strrpos($haystack, $needle) + strlen($needle)) === strlen($haystack);
47		}
48
49		/**
50		* Determine if a string starts with a particular sequence.
51		*
52		* @param string $haystack
53		* @param string $needle
54		*
55		* @throws \InvalidArgumentException
56		*
57		* @return bool
58		*/
59	12	public static function stringStartsWith($haystack, $needle)
60		{
61	12	if (!is_string($haystack) \|\| !is_string($needle)) {
62	5	throw new \InvalidArgumentException('Not a string');
63		}
64
65	8	return strpos($haystack, $needle) === 0;
66		}
67
68		/**
69		* Remove the prefix from the provided string.
70		*
71		* @param string $haystack
72		* @param string $prefix
73		*
74		* @throws \InvalidArgumentException
75		*
76		* @return string
77		*/
78	12	public static function removePrefix($haystack, $prefix)
79		{
80	12	if (!is_string($haystack) \|\| !is_string($prefix)) {
81	4	throw new \InvalidArgumentException('Not a string');
82		}
83
84	8	if (strpos($haystack, $prefix) === 0) {
85	8	$haystack = substr($haystack, strlen($prefix));
86	8	}
87
88	8	return $haystack;
89		}
90
91		/**
92		* Convert strings with underscores into CamelCase (for getters and setters).
93		*
94		* @param string $string The string to convert
95		* @param bool $firstCharCaps camelCase or CamelCase
96		*
97		* @throws \Ddeboer\Transcoder\Exception\UnsupportedEncodingException
98		* @throws \Ddeboer\Transcoder\Exception\ExtensionMissingException
99		* @throws \InvalidArgumentException
100		*
101		* @return string The converted string
102		*/
103	12	public static function toCamelCase($string, $firstCharCaps = true)
104		{
105	12	if (!is_string($string)) {
106	4	throw new \InvalidArgumentException('Not a string');
107		}
108
109	8	$transcoder = Transcoder::create();
110	8	$string = $transcoder->transcode($string);
111
112	8	if ($firstCharCaps === true) {
113	8	$string = ucfirst($string);
114	8	}
115
116	8	return $string;
117		}
118
119		/**
120		* Internal function for toUnderscore.
121		*
122		* @param string $word
123		*
124		* @throws \InvalidArgumentException
125		*
126		* @return string
127		*/
128	17	private static function wordToUnderscored($word)
		0 ignored issues – show Unused Code introduced 2017-03-21 10:49 UTC by Report Bug Copy Issue Report This method is not used, and could be removed. Loading history...
129		{
130	17	return strtolower(
131	17	trim(
132	17	preg_replace(
133	17	'~[^a-z^\d]+~i',
134	17	'_',
135	17	preg_replace(
136	17	'~([a-z\d+])([A-Z])~',
137	17	'\1_\2',
138	17	preg_replace('~([A-Z]+)([A-Z][a-z])~', '\1_\2', $word)
139	17	)
140	17	),
141		'_'
142	17	)
143	17	);
144		}
145
146		/**
147		* Converts a string to underscore version.
148		* Also tries to filter out higher UTF-8 chars.
149		*
150		* @param string $string
151		*
152		* @throws \Ddeboer\Transcoder\Exception\UnsupportedEncodingException
153		* @throws \Ddeboer\Transcoder\Exception\ExtensionMissingException
154		* @throws \InvalidArgumentException
155		*
156		* @return string
157		*/
158	22	public static function toUnderscore($string)
159		{
160	22	if (!is_string($string)) {
161	5	throw new \InvalidArgumentException('Not a string');
162		}
163
164	17	$transCoder = Transcoder::create('ASCII');
165	17	$string = $transCoder->transcode(trim($string));
166	17	$words = explode(' ', $string);
167
168	17	return implode('_', array_filter(array_map([static::class, 'wordToUnderscored'], $words)));
169		}
170		}
171

webservices-nl / utils

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StringUtils::getFileExtension() A last analyzed 2017-03-21 13:18 UTC

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StringUtils::getFileExtension() A
last analyzed 2017-03-21 13:18 UTC