<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014-2019 British Columbia Institute of Technology
*
* 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 CodeIgniter Dev Team
* @copyright 2014-2019 British Columbia Institute of Technology (https://bcit.ca/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 4.0.0
* @filesource
*/
// --------------------------------------------------------------------
/**
* CodeIgniter Inflector Helpers
*
* @package CodeIgniter
*/
if (! function_exists('singular'))
{
/**
* Singular
*
* Takes a plural word and makes it singular
*
* @param string $string Input string
* @return string
*/
function singular(string $string): string
{
$result = strval($string);
if (! is_pluralizable($result))
{
return $result;
}
//Arranged in order.
$singularRules = [
'/(matr)ices$/' => '\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 ($singularRules 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 $string Input string
* @return string
*/
function plural(string $string): string
{
$result = strval($string);
if (! is_pluralizable($result))
{
return $result;
}
$pluralRules = [
'/(quiz)$/' => '\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)
'/$/' => 's',
];
foreach ($pluralRules 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 $string Input string
* @return string
*/
function camelize(string $string): string
{
return lcfirst(str_replace(' ', '', ucwords(preg_replace('/[\s_]+/', ' ', $string))));
}
}
//--------------------------------------------------------------------
if (! function_exists('underscore'))
{
/**
* Underscore
*
* Takes multiple words separated by spaces and underscores them
*
* @param string $string Input string
* @return string
*/
function underscore(string $string): string
{
$replacement = trim($string);
return preg_replace('/[\s]+/', '_', $replacement);
}
}
//--------------------------------------------------------------------
if (! function_exists('humanize'))
{
/**
* Humanize
*
* Takes multiple words separated by the separator,
* camelizes and changes them to spaces
*
* @param string $string Input string
* @param string $separator Input separator
* @return string
*/
function humanize(string $string, string $separator = '_'): string
{
$replacement = trim($string);
$upperCased = ucwords
(
preg_replace('/[' . $separator . ']+/', ' ', $replacement)
);
return $upperCased;
}
}
// ------------------------------------------------------------------------
if (! function_exists('is_pluralizable'))
{
/**
* Checks if the given word has a plural version.
*
* @param string $word Word to check
* @return boolean
*/
function is_pluralizable(string $word): bool
{
$uncountables = in_array
(
strtolower($word), [
'advice',
'bravery',
'butter',
'chaos',
'clarity',
'coal',
'courage',
'cowardice',
'curiosity',
'education',
'equipment',
'evidence',
'fish',
'fun',
'furniture',
'greed',
'help',
'homework',
'honesty',
'information',
'insurance',
'jewelry',
'knowledge',
'livestock',
'love',
'luck',
'marketing',
'meta',
'money',
'mud',
'news',
'patriotism',
'racism',
'rice',
'satisfaction',
'scenery',
'series',
'sexism',
'silence',
'species',
'spelling',
'sugar',
'water',
'weather',
'wisdom',
'work',
]);
return ! $uncountables;
}
}
// ------------------------------------------------------------------------
if (! function_exists('dasherize'))
{
/**
* Replaces underscores with dashes in the string.
*
* @param string $string Input string
* @return string
*/
function dasherize(string $string): string
{
return str_replace('_', '-', $string);
}
}
// ------------------------------------------------------------------------
if (! function_exists('ordinal'))
{
/**
* Returns the suffix that should be added to a
* number to denote the position in an ordered
* sequence such as 1st, 2nd, 3rd, 4th.
*
* @param integer $integer The integer to determine
* the suffix
* @return string
*/
function ordinal(int $integer): string
{
$suffixes = [
'th',
'st',
'nd',
'rd',
'th',
'th',
'th',
'th',
'th',
'th',
];
return $integer % 100 >= 11 && $integer % 100 <= 13 ? 'th' : $suffixes[$integer % 10];
}
}
// ------------------------------------------------------------------------
if (! function_exists('ordinalize'))
{
/**
* Turns a number into an ordinal string used
* to denote the position in an ordered sequence
* such as 1st, 2nd, 3rd, 4th.
*
* @param integer $integer The integer to ordinalize
* @return string
*/
function ordinalize(int $integer): string
{
return $integer . ordinal($integer);
}
}
Jim Parry