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bryangreen/Inflector.php

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Twig Inflector Extension - For plural and singular English words
Raw
Inflector.php
<?php
/**
* ReadySetData 2009-2013
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* User: Bryan Green
* Date: 2/14/13
* Time: 2:10 AM
*/
// Thanks to http://www.eval.ca/articles/php-pluralize (MIT license)
// http://dev.rubyonrails.org/browser/trunk/activesupport/lib/active_support/inflections.rb (MIT license)
// http://www.fortunecity.com/bally/durrus/153/gramch13.html
// http://www2.gsu.edu/~wwwesl/egw/crump.htm
//
// Changes (2013-02-14) - by: Bryan Green
// Formatted code
// Added "software" to uncountable list
//
// Changes (12/17/07)
// Major changes
// --
// Fixed irregular noun algorithm to use regular expressions just like the original Ruby source.
// (this allows for things like fireman -> firemen
// Fixed the order of the singular array, which was backwards.
//
// Minor changes
// --
// Removed incorrect pluralization rule for /([^aeiouy]|qu)ies$/ => $1y
// Expanded on the list of exceptions for *o -> *oes, and removed rule for buffalo -> buffaloes
// Removed dangerous singularization rule for /([^f])ves$/ => $1fe
// Added more specific rules for singularizing lives, wives, knives, sheaves, loaves, and leaves and thieves
// Added exception to /(us)es$/ => $1 rule for houses => house and blouses => blouse
// Added excpetions for feet, geese and teeth
// Added rule for deer -> deer
// Changes:
// Removed rule for virus -> viri
// Added rule for potato -> potatoes
// Added rule for *us -> *uses
class Inflect
{
static $plural = array(
'/(quiz)$/i' => "$1zes",
'/^(ox)$/i' => "$1en",
'/([m|l])ouse$/i' => "$1ice",
'/(matr|vert|ind)ix|ex$/i' => "$1ices",
'/(x|ch|ss|sh)$/i' => "$1es",
'/([^aeiouy]|qu)y$/i' => "$1ies",
'/(hive)$/i' => "$1s",
'/(?:([^f])fe|([lr])f)$/i' => "$1$2ves",
'/(shea|lea|loa|thie)f$/i' => "$1ves",
'/sis$/i' => "ses",
'/([ti])um$/i' => "$1a",
'/(tomat|potat|ech|her|vet)o$/i' => "$1oes",
'/(bu)s$/i' => "$1ses",
'/(alias)$/i' => "$1es",
'/(octop)us$/i' => "$1i",
'/(ax|test)is$/i' => "$1es",
'/(us)$/i' => "$1es",
'/s$/i' => "s",
'/$/' => "s"
);
static $singular = array(
'/(quiz)zes$/i' => "$1",
'/(matr)ices$/i' => "$1ix",
'/(vert|ind)ices$/i' => "$1ex",
'/^(ox)en$/i' => "$1",
'/(alias)es$/i' => "$1",
'/(octop|vir)i$/i' => "$1us",
'/(cris|ax|test)es$/i' => "$1is",
'/(shoe)s$/i' => "$1",
'/(o)es$/i' => "$1",
'/(bus)es$/i' => "$1",
'/([m|l])ice$/i' => "$1ouse",
'/(x|ch|ss|sh)es$/i' => "$1",
'/(m)ovies$/i' => "$1ovie",
'/(s)eries$/i' => "$1eries",
'/([^aeiouy]|qu)ies$/i' => "$1y",
'/([lr])ves$/i' => "$1f",
'/(tive)s$/i' => "$1",
'/(hive)s$/i' => "$1",
'/(li|wi|kni)ves$/i' => "$1fe",
'/(shea|loa|lea|thie)ves$/i' => "$1f",
'/(^analy)ses$/i' => "$1sis",
'/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/i' => "$1$2sis",
'/([ti])a$/i' => "$1um",
'/(n)ews$/i' => "$1ews",
'/(h|bl)ouses$/i' => "$1ouse",
'/(corpse)s$/i' => "$1",
'/(us)es$/i' => "$1",
'/s$/i' => ""
);
static $irregular = array(
'move' => 'moves',
'foot' => 'feet',
'goose' => 'geese',
'sex' => 'sexes',
'child' => 'children',
'man' => 'men',
'tooth' => 'teeth',
'person' => 'people'
);
static $uncountable = array(
'sheep',
'fish',
'deer',
'series',
'species',
'money',
'rice',
'information',
'equipment',
'software',
'now'
);
public static function pluralize($string)
{
// save some time in the case that singular and plural are the same
if (in_array(strtolower($string), self::$uncountable))
return $string;
// check for irregular singular forms
foreach (self::$irregular as $pattern => $result) {
$pattern = '/' . $pattern . '$/i';
if (preg_match($pattern, $string))
return preg_replace($pattern, $result, $string);
}
// check for matches using regular expressions
foreach (self::$plural as $pattern => $result) {
if (preg_match($pattern, $string))
return preg_replace($pattern, $result, $string);
}
return $string;
}
public static function singularize($string)
{
// save some time in the case that singular and plural are the same
if (in_array(strtolower($string), self::$uncountable))
return $string;
// check for irregular plural forms
foreach (self::$irregular as $result => $pattern) {
$pattern = '/' . $pattern . '$/i';
if (preg_match($pattern, $string))
return preg_replace($pattern, $result, $string);
}
// check for matches using regular expressions
foreach (self::$singular as $pattern => $result) {
if (preg_match($pattern, $string))
return preg_replace($pattern, $result, $string);
}
return $string;
}
public static function pluralize_if($count, $string)
{
if ($count == 1)
return "1 $string";
else
return $count . " " . self::pluralize($string);
}
}
Raw
InflectorUtil.php
<?php
include_once('./utils/Inflector.php');
/**
* Class Twig_Extension_Inflector
*/
class Twig_Extension_Inflector extends Twig_Extension
{
const PLURALIZE = 'pluralize';
const SINGULARIZE = 'singularize';
public function getName()
{
return self::PLURALIZE;
}
public function getFilters()
{
return array(
self::PLURALIZE => new \Twig_Filter_Method($this, self::PLURALIZE, array(
'pre_escape' => 'html',
'is_safe' => array('all')
)),
self::SINGULARIZE => new \Twig_Filter_Method($this, self::SINGULARIZE, array(
'pre_escape' => 'html',
'is_safe' => array('all')
))
);
}
/**
* Converts a word into its plural form
*
* @param $text
* @param null $count
*
* @return string
*/
public function pluralize($text, $count = null)
{
$handback = $text;
if (!empty($text)) {
if (is_numeric($count)) {
$handback = Inflect::pluralize_if($count, $text);
} else {
$handback = Inflect::pluralize($text);
}
}
return $handback;
}
/**
* Converts a word into its singular form
*
* @param $text
*
* @return string
*/
public function singularize($text)
{
$handback = $text;
if (!empty($text)) {
$handback = Inflect::singularize($text);
}
return $handback;
}
}
@tdurrenberger
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This is amazing, thanks a lot!

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