<?php 
/*
 * 		QQ:23365210
 */

function RemoveFromStart( $sourceString, $charToRemove )
{
	$sPattern = '|^' . $charToRemove . '+|' ;
	return preg_replace( $sPattern, '', $sourceString ) ;
}

function RemoveFromEnd( $sourceString, $charToRemove )
{
	$sPattern = '|' . $charToRemove . '+$|' ;
	return preg_replace( $sPattern, '', $sourceString ) ;
}

function ConvertToXmlAttribute( $value )
{
	return utf8_encode( htmlspecialchars( $value ) ) ;
}
?>