system/helpers/inflector_helper.php

   1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
   2 /**
   3  * CodeIgniter
   4  *
   5  * An open source application development framework for PHP 5.1.6 or newer
   6  *
   7  * @package             CodeIgniter
   8  * @author              ExpressionEngine Dev Team
   9  * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
  10  * @license             http://codeigniter.com/user_guide/license.html
  11  * @link                http://codeigniter.com
  12  * @since               Version 1.0
  13  * @filesource
  14  */
  15
  16 // ------------------------------------------------------------------------
  17
  18 /**
  19  * CodeIgniter Inflector Helpers
  20  *
  21  * @package             CodeIgniter
  22  * @subpackage  Helpers
  23  * @category    Helpers
  24  * @author              ExpressionEngine Dev Team
  25  * @link                http://codeigniter.com/user_guide/helpers/directory_helper.html
  26  */
  27
  28
  29 // --------------------------------------------------------------------
  30
  31 /**
  32  * Singular
  33  *
  34  * Takes a plural word and makes it singular
  35  *
  36  * @access      public
  37  * @param       string
  38  * @return      str
  39  */
  40 if ( ! function_exists('singular'))
  41 {
  42         function singular($str)
  43         {
  44                 $str = trim($str);
  45                 $end = substr($str, -3);
  46
  47         $str = preg_replace('/(.*)?([s|c]h)es/i','$1$2',$str);
  48
  49                 if (strtolower($end) == 'ies')
  50                 {
  51                         $str = substr($str, 0, strlen($str)-3).(preg_match('/[a-z]/',$end) ? 'y' : 'Y');
  52                 }
  53                 elseif (strtolower($end) == 'ses')
  54                 {
  55                         $str = substr($str, 0, strlen($str)-2);
  56                 }
  57                 else
  58                 {
  59                         $end = strtolower(substr($str, -1));
  60
  61                         if ($end == 's')
  62                         {
  63                                 $str = substr($str, 0, strlen($str)-1);
  64                         }
  65                 }
  66
  67                 return $str;
  68         }
  69 }
  70
  71 // --------------------------------------------------------------------
  72
  73 /**
  74  * Plural
  75  *
  76  * Takes a singular word and makes it plural
  77  *
  78  * @access      public
  79  * @param       string
  80  * @param       bool
  81  * @return      str
  82  */
  83 if ( ! function_exists('plural'))
  84 {
  85         function plural($str, $force = FALSE)
  86         {
  87         $str = trim($str);
  88                 $end = substr($str, -1);
  89
  90                 if (preg_match('/y/i',$end))
  91                 {
  92                         // Y preceded by vowel => regular plural
  93                         $vowels = array('a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U');
  94                         $str = in_array(substr($str, -2, 1), $vowels) ? $str.'s' : substr($str, 0, -1).'ies';
  95                 }
  96                 elseif (preg_match('/h/i',$end))
  97                 {
  98             if(preg_match('/^[c|s]h$/i',substr($str, -2)))
  99                         {
 100                                 $str .= 'es';
 101                         }
 102                         else
 103                         {
 104                                 $str .= 's';
 105                         }
 106                 }
 107                 elseif (preg_match('/s/i',$end))
 108                 {
 109                         if ($force == TRUE)
 110                         {
 111                                 $str .= 'es';
 112                         }
 113                 }
 114                 else
 115                 {
 116                         $str .= 's';
 117                 }
 118
 119                 return $str;
 120         }
 121 }
 122
 123 // --------------------------------------------------------------------
 124
 125 /**
 126  * Camelize
 127  *
 128  * Takes multiple words separated by spaces or underscores and camelizes them
 129  *
 130  * @access      public
 131  * @param       string
 132  * @return      str
 133  */
 134 if ( ! function_exists('camelize'))
 135 {
 136         function camelize($str)
 137         {
 138                 $str = 'x'.strtolower(trim($str));
 139                 $str = ucwords(preg_replace('/[\s_]+/', ' ', $str));
 140                 return substr(str_replace(' ', '', $str), 1);
 141         }
 142 }
 143
 144 // --------------------------------------------------------------------
 145
 146 /**
 147  * Underscore
 148  *
 149  * Takes multiple words separated by spaces and underscores them
 150  *
 151  * @access      public
 152  * @param       string
 153  * @return      str
 154  */
 155 if ( ! function_exists('underscore'))
 156 {
 157         function underscore($str)
 158         {
 159                 return preg_replace('/[\s]+/', '_', strtolower(trim($str)));
 160         }
 161 }
 162
 163 // --------------------------------------------------------------------
 164
 165 /**
 166  * Humanize
 167  *
 168  * Takes multiple words separated by underscores and changes them to spaces
 169  *
 170  * @access      public
 171  * @param       string
 172  * @return      str
 173  */
 174 if ( ! function_exists('humanize'))
 175 {
 176         function humanize($str)
 177         {
 178                 return ucwords(preg_replace('/[_]+/', ' ', strtolower(trim($str))));
 179         }
 180 }
 181
 182
 183 /* End of file inflector_helper.php */
 184 /* Location: ./system/helpers/inflector_helper.php */