libraries/tbs/tbs_class.php
function meth_Conv_Str(&$Txt,$ConvBr=true) {
	if ($this->Charset==='') { // Html by default
		$Txt = htmlspecialchars($Txt);
		if ($ConvBr) $Txt = nl2br($Txt);
	} elseif ($this->_CharsetFct) {
		$Txt = call_user_func($this->Charset,$Txt,$ConvBr);
	} else {
		$Txt = htmlspecialchars($Txt,ENT_COMPAT,$this->Charset);
		if ($ConvBr) $Txt = nl2br($Txt);
	}
}
function meth_Conv_Str(&$Txt,$ConvBr=true) {
	if ($this->Charset==='') { // Html by default
		$Txt = htmlspecialchars($Txt);
		if ($ConvBr) $Txt = nl2br($Txt);
	} elseif ($this->_CharsetFct) {
		$Txt = call_user_func($this->Charset,$Txt,$ConvBr);
	} else {
		$Txt = htmlspecialchars($Txt,ENT_COMPAT,$this->Charset);
		if ($ConvBr) $Txt = nl2br($Txt);
	}
}
Convert a string with charset or custom function