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<?php class StringUtil{ /** * Returns the English plural of the given phrase based on the value. * Note, there are certainly exceptions and if someone wants to white/black-list them, go ahead. * Some exceptions that do not work with this function noted by mickmackusa: * appendix, axis, fungus, deer, child, syllabus, louse, person, goose, bacterium * @see first version: https://3v4l.org/VJni0 * @see https://stackoverflow.com/a/34254595/1993494 (idea from this) * @param string $phrase The phrase to determine the plural form * @param float|int|array|object $value The value to determine whether the phrase should be plural or not * @return string The English plural form of the phrase based on the value */ public static function pluralEnglish(string $singularPhrase, float|int|array|object $value): string{ if ($value === 1){ return $singularPhrase; } if (is_countable($value)){ if (count($value) === 1){ return $singularPhrase; } }else if (is_object($value)){ //object that does not implement Countable return $singularPhrase; } //If the string doesn't even end with a letter, just return the phrase. if (!preg_match('/[a-zA-Z]$/', $singularPhrase)){ return $singularPhrase; } if (str_ends_with($singularPhrase, 'y')){ return substr($singularPhrase, 0, -1).'ies'; } //In English, words that end with these characters, you add "es" to make them plural. $es_append = ['x','z','s','ch','sh']; foreach($es_append as $end){ if (str_ends_with($singularPhrase, $end)){ return $singularPhrase.'es'; } } //It didn't fit any of the above criteria, so just add "s" return $singularPhrase.'s'; } } $ary = [ 'kibitz', 'miss', 'fox', 'box', 'item', 'god', 'fun', 'diety', 'touch', 'teach', 'watch', 'test', 'fire', ]; $count = 0; foreach($ary as $phrase){ echo StringUtil::pluralEnglish($phrase, $count)."\n"; }

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