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<?php |
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|
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namespace FluentBooking\Framework\Support; |
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|
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class Pluralizer { |
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|
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/** |
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* Plural word form rules. |
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* |
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* @var array |
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*/ |
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public static $plural = array( |
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'/(quiz)$/i' => "$1zes", |
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'/^(ox)$/i' => "$1en", |
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'/([m|l])ouse$/i' => "$1ice", |
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'/(matr|vert|ind)ix$|ex$/i' => "$1ices", |
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'/(stoma|epo|monar|matriar|patriar|oligar|eunu)ch$/i' => "$1chs", |
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'/(x|ch|ss|sh)$/i' => "$1es", |
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'/([^aeiouy]|qu)y$/i' => "$1ies", |
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'/(hive)$/i' => "$1s", |
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'/(?:([^f])fe|([lr])f)$/i' => "$1$2ves", |
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'/(shea|lea|loa|thie)f$/i' => "$1ves", |
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'/sis$/i' => "ses", |
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'/([ti])um$/i' => "$1a", |
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'/(torped|embarg|tomat|potat|ech|her|vet)o$/i' => "$1oes", |
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'/(bu)s$/i' => "$1ses", |
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'/(alias)$/i' => "$1es", |
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'/(fung)us$/i' => "$1i", |
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'/(ax|test)is$/i' => "$1es", |
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'/(us)$/i' => "$1es", |
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'/s$/i' => "s", |
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'/$/' => "s", |
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); |
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|
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/** |
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* Singular word form rules. |
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* |
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* @var array |
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*/ |
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public static $singular = array( |
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'/(quiz)zes$/i' => "$1", |
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'/(matr)ices$/i' => "$1ix", |
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'/(vert|vort|ind)ices$/i' => "$1ex", |
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'/^(ox)en$/i' => "$1", |
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'/(alias)es$/i' => "$1", |
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'/(octop|vir|fung)i$/i' => "$1us", |
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'/(cris|ax|test)es$/i' => "$1is", |
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'/(shoe)s$/i' => "$1", |
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'/(o)es$/i' => "$1", |
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'/(bus)es$/i' => "$1", |
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'/([m|l])ice$/i' => "$1ouse", |
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'/(x|ch|ss|sh)es$/i' => "$1", |
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'/(m)ovies$/i' => "$1ovie", |
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'/(s)eries$/i' => "$1eries", |
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'/([^aeiouy]|qu)ies$/i' => "$1y", |
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'/([lr])ves$/i' => "$1f", |
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'/(tive)s$/i' => "$1", |
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'/(hive)s$/i' => "$1", |
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'/(li|wi|kni)ves$/i' => "$1fe", |
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'/(shea|loa|lea|thie)ves$/i' => "$1f", |
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'/(^analy)ses$/i' => "$1sis", |
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'/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i' => "$1$2sis", |
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'/([ti])a$/i' => "$1um", |
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'/(n)ews$/i' => "$1ews", |
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'/(h|bl)ouses$/i' => "$1ouse", |
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'/(corpse)s$/i' => "$1", |
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'/(gallows|headquarters)$/i' => "$1", |
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'/(us)es$/i' => "$1", |
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'/(us|ss)$/i' => "$1", |
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'/s$/i' => "", |
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); |
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|
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/** |
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* Irregular word forms. |
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* |
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* @var array |
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*/ |
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public static $irregular = array( |
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'child' => 'children', |
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'corpus' => 'corpora', |
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'criterion' => 'criteria', |
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'foot' => 'feet', |
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'freshman' => 'freshmen', |
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'goose' => 'geese', |
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'genus' => 'genera', |
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'human' => 'humans', |
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'man' => 'men', |
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'move' => 'moves', |
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'nucleus' => 'nuclei', |
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'ovum' => 'ova', |
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'person' => 'people', |
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'phenomenon' => 'phenomena', |
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'radius' => 'radii', |
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'sex' => 'sexes', |
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'stimulus' => 'stimuli', |
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'syllabus' => 'syllabi', |
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'tax' => 'taxes', |
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'tech' => 'techs', |
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'tooth' => 'teeth', |
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'viscus' => 'viscera', |
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); |
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|
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/** |
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* Uncountable word forms. |
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* |
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* @var array |
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*/ |
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public static $uncountable = array( |
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'audio', |
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'bison', |
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'chassis', |
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'compensation', |
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'coreopsis', |
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'data', |
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'deer', |
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'education', |
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'equipment', |
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'fish', |
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'gold', |
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'information', |
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'money', |
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'moose', |
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'offspring', |
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'plankton', |
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'police', |
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'rice', |
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'series', |
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'sheep', |
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'species', |
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'swine', |
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'traffic', |
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); |
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|
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/** |
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* The cached copies of the plural inflections. |
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* |
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* @var array |
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*/ |
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protected static $pluralCache = array(); |
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|
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/** |
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* The cached copies of the singular inflections. |
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* |
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* @var array |
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*/ |
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protected static $singularCache = array(); |
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|
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/** |
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* Get the singular form of the given word. |
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* |
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* @param string $value |
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* @return string |
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*/ |
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public static function singular($value) |
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{ |
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if (isset(static::$singularCache[$value])) |
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{ |
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return static::$singularCache[$value]; |
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} |
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|
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$result = static::inflect($value, static::$singular, static::$irregular); |
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|
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return static::$singularCache[$value] = $result ?: $value; |
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} |
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|
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/** |
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* Get the plural form of the given word. |
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* |
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* @param string $value |
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* @param int $count |
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* @return string |
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*/ |
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public static function plural($value, $count = 2) |
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{ |
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if ($count == 1) return $value; |
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|
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if (in_array($value, static::$irregular)) return $value; |
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|
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// First we'll check the cache of inflected values. We cache each word that |
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// is inflected so we don't have to spin through the regular expressions |
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// on each subsequent method calls for this word by the app developer. |
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if (isset(static::$pluralCache[$value])) |
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{ |
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return static::$pluralCache[$value]; |
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} |
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|
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$irregular = array_flip(static::$irregular); |
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|
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// When doing the singular to plural transformation, we'll flip the irregular |
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// array since we need to swap sides on the keys and values. After we have |
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// the transformed value we will cache it in memory for faster look-ups. |
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$plural = static::$plural; |
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|
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$result = static::inflect($value, $plural, $irregular); |
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|
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return static::$pluralCache[$value] = $result; |
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} |
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|
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/** |
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* Perform auto inflection on an English word. |
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* |
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* @param string $value |
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* @param array $source |
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* @param array $irregular |
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* @return string |
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*/ |
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protected static function inflect($value, $source, $irregulars) |
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{ |
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if (static::uncountable($value)) return $value; |
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|
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// Next, we will check the "irregular" patterns which contain words that are |
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// not easily summarized in regular expression rules, like "children" and |
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// "teeth", both of which cannot get inflected using our typical rules. |
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foreach ($irregulars as $irregular => $pattern) { |
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|
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if (preg_match($pattern = '/'.$pattern.'$/i', $value)) { |
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|
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$irregular = static::matchCase($irregular, $value); |
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|
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return preg_replace($pattern, $irregular, $value); |
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} |
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} |
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|
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// Finally, we'll spin through the array of regular expressions and look for |
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// matches for the word. If we find a match, we will cache and return the |
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// transformed value so we will quickly look it up on subsequent calls. |
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foreach ($source as $pattern => $inflected) |
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{ |
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if (preg_match($pattern, $value)) |
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{ |
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$inflected = preg_replace($pattern, $inflected, $value); |
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|
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return static::matchCase($inflected, $value); |
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} |
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} |
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} |
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|
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/** |
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* Determine if the given value is uncountable. |
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* |
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* @param string $value |
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* @return bool |
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*/ |
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protected static function uncountable($value) |
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{ |
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return in_array(strtolower($value), static::$uncountable); |
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} |
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|
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/** |
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* Attempt to match the case on two strings. |
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* |
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* @param string $value |
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* @param string $comparison |
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* @return string |
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*/ |
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protected static function matchCase($value, $comparison) |
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{ |
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$functions = array('mb_strtolower', 'mb_strtoupper', 'ucfirst', 'ucwords'); |
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|
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foreach ($functions as $function) |
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{ |
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if (call_user_func($function, $comparison) === $comparison) |
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{ |
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return call_user_func($function, $value); |
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} |
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} |
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|
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return $value; |
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} |
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|
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} |
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|
