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<?php/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2019 - 2022, CodeIgniter Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package    CodeIgniter
 * @author    EllisLab Dev Team
 * @copyright    Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright    Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
 * @copyright    Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
 * @license    https://opensource.org/licenses/MIT    MIT License
 * @link    https://codeigniter.com
 * @since    Version 1.0.0
 * @filesource
 */
 defined('BASEPATH') OR exit('No direct script access allowed');
 
 /**
 * CodeIgniter Inflector Helpers
 *
 * @package        CodeIgniter
 * @subpackage    Helpers
 * @category    Helpers
 * @author        EllisLab Dev Team
 * @link        https://codeigniter.com/userguide3/helpers/inflector_helper.html
 */
 
 // --------------------------------------------------------------------
 
 if ( ! function_exists('singular'))
 {
 /**
 * Singular
 *
 * Takes a plural word and makes it singular
 *
 * @param    string    $str    Input string
 * @return    string
 */
 function singular($str)
 {
 $result = strval($str);
 
 if ( ! word_is_countable($result))
 {
 return $result;
 }
 
 $singular_rules = array(
 '/(matr)ices$/'        => '\1ix',
 '/(vert|ind)ices$/'    => '\1ex',
 '/^(ox)en/'        => '\1',
 '/(alias)es$/'        => '\1',
 '/([octop|vir])i$/'    => '\1us',
 '/(cris|ax|test)es$/'    => '\1is',
 '/(shoe)s$/'        => '\1',
 '/(o)es$/'        => '\1',
 '/(bus|campus)es$/'    => '\1',
 '/([m|l])ice$/'        => '\1ouse',
 '/(x|ch|ss|sh)es$/'    => '\1',
 '/(m)ovies$/'        => '\1\2ovie',
 '/(s)eries$/'        => '\1\2eries',
 '/([^aeiouy]|qu)ies$/'    => '\1y',
 '/([lr])ves$/'        => '\1f',
 '/(tive)s$/'        => '\1',
 '/(hive)s$/'        => '\1',
 '/([^f])ves$/'        => '\1fe',
 '/(^analy)ses$/'    => '\1sis',
 '/((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)ses$/' => '\1\2sis',
 '/([ti])a$/'        => '\1um',
 '/(p)eople$/'        => '\1\2erson',
 '/(m)en$/'        => '\1an',
 '/(s)tatuses$/'        => '\1\2tatus',
 '/(c)hildren$/'        => '\1\2hild',
 '/(n)ews$/'        => '\1\2ews',
 '/(quiz)zes$/'        => '\1',
 '/([^us])s$/'        => '\1'
 );
 
 foreach ($singular_rules as $rule => $replacement)
 {
 if (preg_match($rule, $result))
 {
 $result = preg_replace($rule, $replacement, $result);
 break;
 }
 }
 
 return $result;
 }
 }
 
 // --------------------------------------------------------------------
 
 if ( ! function_exists('plural'))
 {
 /**
 * Plural
 *
 * Takes a singular word and makes it plural
 *
 * @param    string    $str    Input string
 * @return    string
 */
 function plural($str)
 {
 $result = strval($str);
 
 if ( ! word_is_countable($result))
 {
 return $result;
 }
 
 $plural_rules = array(
 '/(quiz)$/'                => '\1zes',      // quizzes
 '/^(ox)$/'                 => '\1\2en',     // ox
 '/([m|l])ouse$/'           => '\1ice',      // mouse, louse
 '/(matr|vert|ind)ix|ex$/'  => '\1ices',     // matrix, vertex, index
 '/(x|ch|ss|sh)$/'          => '\1es',       // search, switch, fix, box, process, address
 '/([^aeiouy]|qu)y$/'       => '\1ies',      // query, ability, agency
 '/(hive)$/'                => '\1s',        // archive, hive
 '/(?:([^f])fe|([lr])f)$/'  => '\1\2ves',    // half, safe, wife
 '/sis$/'                   => 'ses',        // basis, diagnosis
 '/([ti])um$/'              => '\1a',        // datum, medium
 '/(p)erson$/'              => '\1eople',    // person, salesperson
 '/(m)an$/'                 => '\1en',       // man, woman, spokesman
 '/(c)hild$/'               => '\1hildren',  // child
 '/(buffal|tomat)o$/'       => '\1\2oes',    // buffalo, tomato
 '/(bu|campu)s$/'           => '\1\2ses',    // bus, campus
 '/(alias|status|virus)$/'  => '\1es',       // alias
 '/(octop)us$/'             => '\1i',        // octopus
 '/(ax|cris|test)is$/'      => '\1es',       // axis, crisis
 '/s$/'                     => 's',          // no change (compatibility)
 '/$/'                      => 's',
 );
 
 foreach ($plural_rules as $rule => $replacement)
 {
 if (preg_match($rule, $result))
 {
 $result = preg_replace($rule, $replacement, $result);
 break;
 }
 }
 
 return $result;
 }
 }
 
 // --------------------------------------------------------------------
 
 if ( ! function_exists('camelize'))
 {
 /**
 * Camelize
 *
 * Takes multiple words separated by spaces or underscores and camelizes them
 *
 * @param    string    $str    Input string
 * @return    string
 */
 function camelize($str)
 {
 return strtolower($str[0]).substr(str_replace(' ', '', ucwords(preg_replace('/[\s_]+/', ' ', $str))), 1);
 }
 }
 
 // --------------------------------------------------------------------
 
 if ( ! function_exists('underscore'))
 {
 /**
 * Underscore
 *
 * Takes multiple words separated by spaces and underscores them
 *
 * @param    string    $str    Input string
 * @return    string
 */
 function underscore($str)
 {
 return preg_replace('/[\s]+/', '_', trim(MB_ENABLED ? mb_strtolower($str) : strtolower($str)));
 }
 }
 
 // --------------------------------------------------------------------
 
 if ( ! function_exists('humanize'))
 {
 /**
 * Humanize
 *
 * Takes multiple words separated by the separator and changes them to spaces
 *
 * @param    string    $str        Input string
 * @param     string    $separator    Input separator
 * @return    string
 */
 function humanize($str, $separator = '_')
 {
 return ucwords(preg_replace('/['.preg_quote($separator).']+/', ' ', trim(MB_ENABLED ? mb_strtolower($str) : strtolower($str))));
 }
 }
 
 // --------------------------------------------------------------------
 
 if ( ! function_exists('word_is_countable'))
 {
 /**
 * Checks if the given word has a plural version.
 *
 * @param    string    $word    Word to check
 * @return    bool
 */
 function word_is_countable($word)
 {
 return ! in_array(
 strtolower($word),
 array(
 'audio',
 'bison',
 'chassis',
 'compensation',
 'coreopsis',
 'data',
 'deer',
 'education',
 'emoji',
 'equipment',
 'fish',
 'furniture',
 'gold',
 'information',
 'knowledge',
 'love',
 'rain',
 'money',
 'moose',
 'nutrition',
 'offspring',
 'plankton',
 'pokemon',
 'police',
 'rice',
 'series',
 'sheep',
 'species',
 'swine',
 'traffic',
 'wheat'
 )
 );
 }
 }
 
 // --------------------------------------------------------------------
 
 if ( ! function_exists('is_countable'))
 {
 function is_countable($word)
 {
 trigger_error('is_countable() is a native PHP function since version 7.3.0; use word_is_countable() instead', E_USER_WARNING);
 return word_is_countable($word);
 }
 }
 
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