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+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Inflector Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/directory_helper.html
+ */
+
+
+// --------------------------------------------------------------------
+
+/**
+ * Singular
+ *
+ * Takes a plural word and makes it singular
+ *
+ * @access public
+ * @param string
+ * @return str
+ */
+function singular($str)
+{
+ $str = strtolower(trim($str));
+ $end = substr($str, -3);
+
+ if ($end == 'ies')
+ {
+ $str = substr($str, 0, strlen($str)-3).'y';
+ }
+ else
+ {
+ $end = substr($str, -1);
+
+ if ($end == 's')
+ {
+ $str = substr($str, 0, strlen($str)-1);
+ }
+ }
+
+ return $str;
+}
+
+// --------------------------------------------------------------------
+
+/**
+ * Plural
+ *
+ * Takes a singular word and makes it plural
+ *
+ * @access public
+ * @param string
+ * @return str
+ */
+function plural($str)
+{
+ $str = strtolower(trim($str));
+ $end = substr($str, -1);
+
+ if ($end == 'y')
+ {
+ $str = substr($str, 0, strlen($str)-1).'ies';
+ }
+ elseif ($end != 's')
+ {
+ $str .= 's';
+ }
+
+ return $str;
+}
+
+// --------------------------------------------------------------------
+
+/**
+ * Camelize
+ *
+ * Takes multiple words separated by spaces or underscores and camelizes them
+ *
+ * @access public
+ * @param string
+ * @return str
+ */
+function camelize($str)
+{
+ $str = 'x'.strtolower(trim($str));
+ $str = ucwords(preg_replace('/[\s_]+/', ' ', $str));
+ return substr(str_replace(' ', '', $str), 1);
+}
+
+// --------------------------------------------------------------------
+
+/**
+ * Underscore
+ *
+ * Takes multiple words separated by spaces and underscores them
+ *
+ * @access public
+ * @param string
+ * @return str
+ */
+function underscore($str)
+{
+ return preg_replace('/[\s]+/', '_', strtolower(trim($str)));
+}
+
+// --------------------------------------------------------------------
+
+/**
+ * Humanize
+ *
+ * Takes multiple words separated by underscores and changes them to spaces
+ *
+ * @access public
+ * @param string
+ * @return str
+ */
+function humanize($str)
+{
+ return ucwords(preg_replace('/[_]+/', ' ', strtolower(trim($str))));
+}
+
+?> \ No newline at end of file