From 12fe58d997d2066dc362fd393a18b4e5da190513 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Wed, 27 May 2009 15:11:53 -0700
Subject: Rename 'kohana' to 'system' to conform to the Kohana filesystem
 layout.  I'm comfortable with us not clearly drawing the distinction about
 the fact that it's Kohana.

---
 system/core/utf8/str_ireplace.php | 70 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 system/core/utf8/str_ireplace.php

(limited to 'system/core/utf8/str_ireplace.php')

diff --git a/system/core/utf8/str_ireplace.php b/system/core/utf8/str_ireplace.php
new file mode 100644
index 00000000..97ad71a5
--- /dev/null
+++ b/system/core/utf8/str_ireplace.php
@@ -0,0 +1,70 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * utf8::str_ireplace
+ *
+ * @package    Core
+ * @author     Kohana Team
+ * @copyright  (c) 2007 Kohana Team
+ * @copyright  (c) 2005 Harry Fuecks
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
+ */
+function _str_ireplace($search, $replace, $str, & $count = NULL)
+{
+	if (utf8::is_ascii($search) AND utf8::is_ascii($replace) AND utf8::is_ascii($str))
+		return str_ireplace($search, $replace, $str, $count);
+
+	if (is_array($str))
+	{
+		foreach ($str as $key => $val)
+		{
+			$str[$key] = utf8::str_ireplace($search, $replace, $val, $count);
+		}
+		return $str;
+	}
+
+	if (is_array($search))
+	{
+		$keys = array_keys($search);
+
+		foreach ($keys as $k)
+		{
+			if (is_array($replace))
+			{
+				if (array_key_exists($k, $replace))
+				{
+					$str = utf8::str_ireplace($search[$k], $replace[$k], $str, $count);
+				}
+				else
+				{
+					$str = utf8::str_ireplace($search[$k], '', $str, $count);
+				}
+			}
+			else
+			{
+				$str = utf8::str_ireplace($search[$k], $replace, $str, $count);
+			}
+		}
+		return $str;
+	}
+
+	$search = utf8::strtolower($search);
+	$str_lower = utf8::strtolower($str);
+
+	$total_matched_strlen = 0;
+	$i = 0;
+
+	while (preg_match('/(.*?)'.preg_quote($search, '/').'/s', $str_lower, $matches))
+	{
+		$matched_strlen = strlen($matches[0]);
+		$str_lower = substr($str_lower, $matched_strlen);
+
+		$offset = $total_matched_strlen + strlen($matches[1]) + ($i * (strlen($replace) - 1));
+		$str = substr_replace($str, $replace, $offset, strlen($search));
+
+		$total_matched_strlen += $matched_strlen;
+		$i++;
+	}
+
+	$count += $i;
+	return $str;
+}
-- 
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