Index: typo3/sysext/cms/tslib/media/scripts/fe_adminLib.inc
===================================================================
--- typo3/sysext/cms/tslib/media/scripts/fe_adminLib.inc	(revision 6647)
+++ typo3/sysext/cms/tslib/media/scripts/fe_adminLib.inc	(working copy)
@@ -1512,7 +1512,7 @@
 	 */
 	function sendHTMLMail($content,$recipient,$dummy,$fromEmail,$fromName,$replyTo='')	{
 		if (trim($recipient) && trim($content))	{
-			$parts = spliti('<title>|</title>',$content,3);
+			$parts = preg_split('/</?title>/i',$content,3);
 			$subject = trim($parts[1]) ? trim($parts[1]) : 'TYPO3 FE Admin message';
 
 			$Typo3_htmlmail = t3lib_div::makeInstance('t3lib_htmlmail');
Index: typo3/sysext/cms/tslib/class.tslib_pibase.php
===================================================================
--- typo3/sysext/cms/tslib/class.tslib_pibase.php	(revision 6647)
+++ typo3/sysext/cms/tslib/class.tslib_pibase.php	(working copy)
@@ -1067,7 +1067,7 @@
 		}
 
 			// Split the "FROM ... WHERE" string so we get the WHERE part and TABLE names separated...:
-		list($TABLENAMES,$WHERE) = spliti('WHERE', trim($query), 2);
+		list($TABLENAMES,$WHERE) = preg_split('/WHERE/i', trim($query), 2);
 		$TABLENAMES = trim(substr(trim($TABLENAMES),5));
 		$WHERE = trim($WHERE);
 
@@ -1391,4 +1391,4 @@
 
 // NO extension of class - does not make sense here.
 
-?>
\ No newline at end of file
+?>
Index: t3lib/class.t3lib_parsehtml_proc.php
===================================================================
--- t3lib/class.t3lib_parsehtml_proc.php	(revision 6647)
+++ t3lib/class.t3lib_parsehtml_proc.php	(working copy)
@@ -1240,7 +1240,7 @@
 				} else {	//... but if NO subsection was found, we process it as a TRUE line without erronous content:
 					$subLines = array($subLines);
 					if (!$this->procOptions['dontConvBRtoParagraph'])	{	// process break-tags, if configured for. Simply, the breaktags will here be treated like if each was a line of content...
-						$subLines = spliti('<br[[:space:]]*[\/]?>',$v);
+						$subLines = preg_split('/<br\s*[\/]?>/i',$v);
 					}
 
 						// Traverse sublines (there is typically one, except if <br/> has been converted to lines as well!)