Str::singular() - Code Metrics - Inspection of "Add Str::normalise with tests" - ronanchilvers/utility - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( aa860b...78e5cd )

by Ronan

created 2019-11-04 13:33 UTC

Str::singular() C

↳ Parent: Str

Complexity

Conditions	12
Paths	10

Size

Total Lines	39
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	12
eloc	19
nc	10
nop	3
dl	0
loc	39
rs	6.9666
c	0
b	0
f	0

How to fix Complexity

<?php

namespace Ronanchilvers\Utility;

/**
 * Useful string manipulation methods
 *
 * NB: This class only handles english strings - it is not aware of other languages
 *
 * @author Ronan Chilvers <[email protected]>
 */
class Str
{
    /**
     * @var array
     */
    static protected $irregulars = [
        'child'  => 'children',
        'foot'   => 'feet',
        'goose'  => 'geese',
        'man'    => 'men',
        'mouse'  => 'mice',
        'person' => 'people',
        'sheep'  => 'sheep',
        'tooth'  => 'teeth',
    ];

    /**
     * @var array
     */
    static protected $uncountable = [
        'sheep',
        'fish',
        'deer',
        'series',
        'species',
        'money',
        'rice',
        'information',
        'equipment'
    ];

    /**
     * @var array
     */
    static protected $vowels = [
        'a',
        'e',
        'i',
        'o',
        'u'
    ];

    /**
     * Pluralise a string
     *
     * [1.0] 'ies' rule    (ends in a consonant + y : baby/lady)
     * [2.0] 'ves' rule    (ends in f or fe : leaf/knife) --- roof : rooves (correct but old english, roofs is ok).
     * [3.1] 'es' rule 1   (ends in a consonant + o : volcano/mango)
     * [3.2] 'es' rule 2   (ends in ch, sh, s, ss, x, z : match/dish/bus/glass/fox/buzz)
     * [4.1] 's' rule 1    (ends in a vowel + y or o : boy/radio)
     * [4.2] 's' rule 2    (ends in other than above : cat/ball)
     *
     * @param string $string The singular noun to pluralise
     * @param int $count
     * @param string $plural
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function plural($string, $count = 2, $plural = false)
    {
        $string = trim($string);
        if (in_array($string, static::$uncountable) && false === $plural) {
            return $string;
        }

        if (empty($string) || $count == 1) {
            return $string;
        }

        if (false !== $plural) {
            return $plural;
        }

        $string = mb_strtolower($string);
        if (isset(static::$irregulars[$string])) {
            return static::$irregulars[$string];
        }

        // [1.0]
        if (!in_array(mb_substr($string, -2, 1), static::$vowels) && 'y' == mb_substr($string, -1)) {
            return mb_substr($string, 0, -1) . 'ies';
        }

        // [2.0]
        if ('f' == mb_substr($string, -1) || 'fe' == mb_substr($string, -2)) {
            $length = ('e' == mb_substr($string, -1)) ? -2 : -1 ;
            return mb_substr($string, 0, $length) . 'ves';
        }

        // [3.1]
        if (!in_array(mb_substr($string, -2, 1), static::$vowels) && 'o' == mb_substr($string, -1)) {
            return $string . 'es';
        }

        // [3.2]
        if (in_array(mb_substr($string, -2), ['ch', 'sh', 'ss']) || in_array(mb_substr($string, -1), ['s', 'x', 'z'])) {
            return $string . 'es';
        }

        return $string . 's';
    }

    /**
     * Singularise a string
     *
     * [1.0] 'ies' rule    (ends in a consonant + y : baby/lady)
     * [2.0] 'ves' rule    (ends in f or fe : leaf/knife) --- roof : rooves (correct but old english, roofs is ok).
     * [3.1] 'es' rule 1   (ends in a consonant + o : volcano/mango)
     * [3.2] 'es' rule 2   (ends in ch, sh, s, ss, x, z : match/dish/bus/glass/fox/buzz)
     * [4.1] 's' rule 1    (ends in a vowel + y or o : boy/radio)
     * [4.2] 's' rule 2    (ends in other than above : cat/ball)
     *
     * @param string $string The singular noun to singularise
     * @param int $count
     * @param string $singular
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function singular($string, $count = 1, $singular = false)
    {
        $string = trim($string);
        if (in_array($string, static::$uncountable) && false === $singular) {
            return $string;
        }

        if (empty($string) || $count !== 1) {
            return $string;
        }

        if (false !== $singular) {
            return $singular;
        }

        $singulars = array_flip(static::$irregulars);
        $string = mb_strtolower($string);
        if (isset($singulars[$string])) {
            return $singulars[$string];
        }

        // [1.0]
        if ('ies' == mb_substr($string, -3)) {
            return mb_substr($string, 0, -3) . 'y';
        }

        // [2.0]
        if ('ves' == mb_substr($string, -3)) {
            if (in_array(mb_substr($string, -4, 1), static::$vowels)) {
                return mb_substr($string, 0, -3) . 'f';
            }
        }

        // [3.1, 3.2]
        if ('ves' != mb_substr($string, -3) && 'es' == mb_substr($string, -2)) {
            return mb_substr($string, 0, -2);
        }

        return rtrim($string, 's');
    }

    /**
     * Convert a string to PascalCase
     *
     * Pascal case is upper camel case, or camel case with the first
     * letter uppercased.
     *
     * @param string $string
     * @param array $allowed Allowed characters that won't be compressed
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function pascal($string, $allowed = [])
    {
        $string = mb_strtolower($string);
        $string = preg_replace('#[^a-z0-9' . implode('', $allowed) . ']+#', ' ', $string);
        $string = str_replace(' ', '', ucwords($string));

        return $string;
    }

    /**
     * Convert a string to camelCase
     *
     * We're taking camel case here to mean lower camel case, ie: the first
     * letter is lower case.
     *
     * @param string $string
     * @param array $allowed Allowed characters that won't be compressed
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function camel($string, $allowed = [])
    {
        return lcfirst(
            static::pascal($string, $allowed)
        );
    }

    /**
     * Snake case a string
     *
     * This method snake cases phrases and can also convert camelCase
     * and PascalCase strings to snake case.
     *
     * @param string $string
     * @param array $allowed Allowed characters that won't be compressed
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function snake($string, $allowed = [])
    {
        // $string = mb_strtolower($string);
        $string = preg_replace('#([A-Z]{1})#', ' $1', $string);
        $string = mb_strtolower(trim($string));
        $string = preg_replace('#[^a-z0-9' . implode('', $allowed) . ']{1,}#', ' ', $string);
        $string = str_replace(' ', '_', $string);

        return $string;
    }

    /**
     * Truncate a string to a given length, optionally respecting word
     * boundaries
     *
     * @param string $string The string to truncate
     * @param int $length The length to truncate to
     * @param string $suffix Suffix to tag on the end of the string
     * @param boolean $words Respect word boundaries
     * @param
     * @author Ronan Chilvers <[email protected]>
     */

    static public function truncate($string, $length, $suffix = '...', $words = false)
    {
        if ($length > mb_strlen($string)) {
            return $string;
        }
        if (false === $words) {
            return mb_substr($string, 0, $length - mb_strlen($suffix)) . $suffix;
        }
        $matches = [];
        preg_match(
            "/(^.{1," . ($length - mb_strlen($suffix)) . "})(?=\s|$).*/u",
            $string,
            $matches
        );
        if (!isset($matches[1])) {
            return mb_substr($string, 0, $length - mb_strlen($suffix)) . $suffix;
        }

        return $matches[1] . $suffix;
    }

    /**
     * Generate a long random string suitable for use as a token
     *
     * @param int $length
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function token($length = 64)
    {
        return substr(bin2hex(
            random_bytes($length)
        ), 0, $length);
    }

    /**
     * Create a string by joining an arbitrary number of other strings with a separator
     *
     * @param string $seperator
     * @param string $piece...
     * @author Ronan Chilvers <[email protected]>
     */
    static public function join($seperator, ...$pieces)
    {
        foreach ($pieces as &$piece) {
            $piece = trim($piece, $seperator);
        }

        return implode($seperator, $pieces);
    }

    /**
     * Convert a string to a boolean value
     *
     * @param string
     * @return boolean
     * @author Ronan Chilvers <[email protected]>
     */
    static public function bool($string)
    {
        if (true === $string) {
            return true;
        }
        switch ($string) {

            case '1':
            case 'yes':
            case 'true':
                return true;

            default:
                return false;

        }
    }

    /**
     * Simple moustaches templating
     *
     * @param string $template
     * @param array $params
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function moustaches(string $template, array $params)
    {
        $keys = array_map(function ($value) {
            return '{'.$value.'}';
        }, array_keys($params));
        $values = array_values($params);

        return str_replace($keys, $values, $template);
    }

    /**
     * Normalise a string into a key with only hyphens and lowercase alphanumeric characters
     *
     * @param string $string
     * @return string
     * @author Ronan Chilvers <[email protected]>
     */
    static public function normalise($string): string
    {
        $string = strtolower($string);
        $string = preg_replace('/[^A-z0-9\s-]+/', '', $string);
        $string = preg_replace('/[\s-]{1,}/', '-', $string);

        return $string;
    }
}


1			<?php
2
3			namespace Ronanchilvers\Utility;
4
5			/**
6			* Useful string manipulation methods
7			*
8			* NB: This class only handles english strings - it is not aware of other languages
9			*
10			* @author Ronan Chilvers <[email protected]>
11			*/
12			class Str
13			{
14			/**
15			* @var array
16			*/
17			static protected $irregulars = [
18			'child' => 'children',
19			'foot' => 'feet',
20			'goose' => 'geese',
21			'man' => 'men',
22			'mouse' => 'mice',
23			'person' => 'people',
24			'sheep' => 'sheep',
25			'tooth' => 'teeth',
26			];
27
28			/**
29			* @var array
30			*/
31			static protected $uncountable = [
32			'sheep',
33			'fish',
34			'deer',
35			'series',
36			'species',
37			'money',
38			'rice',
39			'information',
40			'equipment'
41			];
42
43			/**
44			* @var array
45			*/
46			static protected $vowels = [
47			'a',
48			'e',
49			'i',
50			'o',
51			'u'
52			];
53
54			/**
55			* Pluralise a string
56			*
57			* [1.0] 'ies' rule (ends in a consonant + y : baby/lady)
58			* [2.0] 'ves' rule (ends in f or fe : leaf/knife) --- roof : rooves (correct but old english, roofs is ok).
59			* [3.1] 'es' rule 1 (ends in a consonant + o : volcano/mango)
60			* [3.2] 'es' rule 2 (ends in ch, sh, s, ss, x, z : match/dish/bus/glass/fox/buzz)
61			* [4.1] 's' rule 1 (ends in a vowel + y or o : boy/radio)
62			* [4.2] 's' rule 2 (ends in other than above : cat/ball)
63			*
64			* @param string $string The singular noun to pluralise
65			* @param int $count
66			* @param string $plural
67			* @return string
68			* @author Ronan Chilvers <[email protected]>
69			*/
70			static public function plural($string, $count = 2, $plural = false)
71			{
72			$string = trim($string);
73			if (in_array($string, static::$uncountable) && false === $plural) {
74			return $string;
75			}
76
77			if (empty($string) \|\| $count == 1) {
78			return $string;
79			}
80
81			if (false !== $plural) {
82			return $plural;
83			}
84
85			$string = mb_strtolower($string);
86			if (isset(static::$irregulars[$string])) {
87			return static::$irregulars[$string];
88			}
89
90			// [1.0]
91			if (!in_array(mb_substr($string, -2, 1), static::$vowels) && 'y' == mb_substr($string, -1)) {
92			return mb_substr($string, 0, -1) . 'ies';
93			}
94
95			// [2.0]
96			if ('f' == mb_substr($string, -1) \|\| 'fe' == mb_substr($string, -2)) {
97			$length = ('e' == mb_substr($string, -1)) ? -2 : -1 ;
98			return mb_substr($string, 0, $length) . 'ves';
99			}
100
101			// [3.1]
102			if (!in_array(mb_substr($string, -2, 1), static::$vowels) && 'o' == mb_substr($string, -1)) {
103			return $string . 'es';
104			}
105
106			// [3.2]
107			if (in_array(mb_substr($string, -2), ['ch', 'sh', 'ss']) \|\| in_array(mb_substr($string, -1), ['s', 'x', 'z'])) {
108			return $string . 'es';
109			}
110
111			return $string . 's';
112			}
113
114			/**
115			* Singularise a string
116			*
117			* [1.0] 'ies' rule (ends in a consonant + y : baby/lady)
118			* [2.0] 'ves' rule (ends in f or fe : leaf/knife) --- roof : rooves (correct but old english, roofs is ok).
119			* [3.1] 'es' rule 1 (ends in a consonant + o : volcano/mango)
120			* [3.2] 'es' rule 2 (ends in ch, sh, s, ss, x, z : match/dish/bus/glass/fox/buzz)
121			* [4.1] 's' rule 1 (ends in a vowel + y or o : boy/radio)
122			* [4.2] 's' rule 2 (ends in other than above : cat/ball)
123			*
124			* @param string $string The singular noun to singularise
125			* @param int $count
126			* @param string $singular
127			* @return string
128			* @author Ronan Chilvers <[email protected]>
129			*/
130			static public function singular($string, $count = 1, $singular = false)
131			{
132			$string = trim($string);
133			if (in_array($string, static::$uncountable) && false === $singular) {
134			return $string;
135			}
136
137			if (empty($string) \|\| $count !== 1) {
138			return $string;
139			}
140
141			if (false !== $singular) {
142			return $singular;
143			}
144
145			$singulars = array_flip(static::$irregulars);
146			$string = mb_strtolower($string);
147			if (isset($singulars[$string])) {
148			return $singulars[$string];
149			}
150
151			// [1.0]
152			if ('ies' == mb_substr($string, -3)) {
153			return mb_substr($string, 0, -3) . 'y';
154			}
155
156			// [2.0]
157			if ('ves' == mb_substr($string, -3)) {
158			if (in_array(mb_substr($string, -4, 1), static::$vowels)) {
159			return mb_substr($string, 0, -3) . 'f';
160			}
161			}
162
163			// [3.1, 3.2]
164			if ('ves' != mb_substr($string, -3) && 'es' == mb_substr($string, -2)) {
165			return mb_substr($string, 0, -2);
166			}
167
168			return rtrim($string, 's');
169			}
170
171			/**
172			* Convert a string to PascalCase
173			*
174			* Pascal case is upper camel case, or camel case with the first
175			* letter uppercased.
176			*
177			* @param string $string
178			* @param array $allowed Allowed characters that won't be compressed
179			* @return string
180			* @author Ronan Chilvers <[email protected]>
181			*/
182			static public function pascal($string, $allowed = [])
183			{
184			$string = mb_strtolower($string);
185			$string = preg_replace('#[^a-z0-9' . implode('', $allowed) . ']+#', ' ', $string);
186			$string = str_replace(' ', '', ucwords($string));
187
188			return $string;
189			}
190
191			/**
192			* Convert a string to camelCase
193			*
194			* We're taking camel case here to mean lower camel case, ie: the first
195			* letter is lower case.
196			*
197			* @param string $string
198			* @param array $allowed Allowed characters that won't be compressed
199			* @return string
200			* @author Ronan Chilvers <[email protected]>
201			*/
202			static public function camel($string, $allowed = [])
203			{
204			return lcfirst(
205			static::pascal($string, $allowed)
206			);
207			}
208
209			/**
210			* Snake case a string
211			*
212			* This method snake cases phrases and can also convert camelCase
213			* and PascalCase strings to snake case.
214			*
215			* @param string $string
216			* @param array $allowed Allowed characters that won't be compressed
217			* @return string
218			* @author Ronan Chilvers <[email protected]>
219			*/
220			static public function snake($string, $allowed = [])
221			{
222			// $string = mb_strtolower($string);
223			$string = preg_replace('#([A-Z]{1})#', ' $1', $string);
224			$string = mb_strtolower(trim($string));
225			$string = preg_replace('#[^a-z0-9' . implode('', $allowed) . ']{1,}#', ' ', $string);
226			$string = str_replace(' ', '_', $string);
227
228			return $string;
229			}
230
231			/**
232			* Truncate a string to a given length, optionally respecting word
233			* boundaries
234			*
235			* @param string $string The string to truncate
236			* @param int $length The length to truncate to
237			* @param string $suffix Suffix to tag on the end of the string
238			* @param boolean $words Respect word boundaries
239			* @param
240			* @author Ronan Chilvers <[email protected]>
241			*/
			0 ignored issues – show Documentation Bug introduced 2019-10-19 18:47 UTC by Report Bug Copy Issue Report The doc comment `@author` at position `0` could not be parsed: Unknown type name '@author' at position 0 in @author. Loading history...
242			static public function truncate($string, $length, $suffix = '...', $words = false)
243			{
244			if ($length > mb_strlen($string)) {
245			return $string;
246			}
247			if (false === $words) {
248			return mb_substr($string, 0, $length - mb_strlen($suffix)) . $suffix;
249			}
250			$matches = [];
251			preg_match(
252			"/(^.{1," . ($length - mb_strlen($suffix)) . "})(?=\s\|$).*/u",
253			$string,
254			$matches
255			);
256			if (!isset($matches[1])) {
257			return mb_substr($string, 0, $length - mb_strlen($suffix)) . $suffix;
258			}
259
260			return $matches[1] . $suffix;
261			}
262
263			/**
264			* Generate a long random string suitable for use as a token
265			*
266			* @param int $length
267			* @return string
268			* @author Ronan Chilvers <[email protected]>
269			*/
270			static public function token($length = 64)
271			{
272			return substr(bin2hex(
273			random_bytes($length)
274			), 0, $length);
275			}
276
277			/**
278			* Create a string by joining an arbitrary number of other strings with a separator
279			*
280			* @param string $seperator
281			* @param string $piece...
282			* @author Ronan Chilvers <[email protected]>
283			*/
284			static public function join($seperator, ...$pieces)
285			{
286			foreach ($pieces as &$piece) {
287			$piece = trim($piece, $seperator);
288			}
289
290			return implode($seperator, $pieces);
291			}
292
293			/**
294			* Convert a string to a boolean value
295			*
296			* @param string
297			* @return boolean
298			* @author Ronan Chilvers <[email protected]>
299			*/
300			static public function bool($string)
301			{
302			if (true === $string) {
303			return true;
304			}
305			switch ($string) {
306
307			case '1':
308			case 'yes':
309			case 'true':
310			return true;
311
312			default:
313			return false;
314
315			}
316			}
317
318			/**
319			* Simple moustaches templating
320			*
321			* @param string $template
322			* @param array $params
323			* @return string
324			* @author Ronan Chilvers <[email protected]>
325			*/
326			static public function moustaches(string $template, array $params)
327			{
328			$keys = array_map(function ($value) {
329			return '{'.$value.'}';
330			}, array_keys($params));
331			$values = array_values($params);
332
333			return str_replace($keys, $values, $template);
334			}
335
336			/**
337			* Normalise a string into a key with only hyphens and lowercase alphanumeric characters
338			*
339			* @param string $string
340			* @return string
341			* @author Ronan Chilvers <[email protected]>
342			*/
343			static public function normalise($string): string
344			{
345			$string = strtolower($string);
346			$string = preg_replace('/[^A-z0-9\s-]+/', '', $string);
347			$string = preg_replace('/[\s-]{1,}/', '-', $string);
348
349			return $string;
350			}
351			}
352

ronanchilvers / utility

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Str::singular() C

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