<?php
/**
* Xoops multi-language string and encoding handling class
*
* @copyright The XOOPS project http://www.xoops.org/
* @license http://www.fsf.org/copyleft/gpl.html GNU public license
* @package language
* @version $Id: local.php 108 2006-03-23 17:41:10Z phppp $
* @author D.J. (phppp)
* @since 2.2
*/

/**
* The class should be an abstract one using PHP embedded functions
* based on which,
* each local language defines its own equalient methods
*
* A comprehensive handler is expected in Xoops 2.3 or 2.4
*/


class XoopsLocal
{
// localized substr
function &substr($str, $start, $length, $trimmarker = '...')
{
if ( !XOOPS_USE_MULTIBYTES ) {
return ( strlen($str) - $start <= $length ) ? substr( $str, $start, $length ) : substr( $str, $start, $length - strlen($trimmarker) ) . $trimmarker;
}
if (function_exists('mb_internal_encoding') && @mb_internal_encoding(_CHARSET)) {
$str2 = mb_strcut( $str , $start , $length - strlen( $trimmarker ) );
return $str2 . ( mb_strlen($str)!=mb_strlen($str2) ? $trimmarker : '' );
}
}


function &utf8_encode(&$text)
{
$text = XoopsLocal::convert_encoding($text, 'utf-8');
return $text;
}

function &convert_encoding(&$text, $to='utf-8', $from='')
{
if(empty($text)) {
return $text;
}
if(empty($from)) $from = _CHARSET;
if (empty($to) || !strcasecmp($to, $from)) return $text;

if(XOOPS_USE_MULTIBYTES && function_exists('mb_convert_encoding')) $converted_text = @mb_convert_encoding($text, $to, $from);
else
if(function_exists('iconv')) $converted_text = @iconv($from, $to . "//TRANSLIT", $text);
$text = empty($converted_text)?$text:$converted_text;

return $text;
}

function &trim($text)
{
$ret = trim($text);
return $ret;
}

/*
* Function to display formatted times in user timezone
*/
function formatTimestamp($time, $format="l", $timeoffset="")
{
global $xoopsConfig, $xoopsUser;
if(strtolower($format) == "rss" ||strtolower($format) == "r"){
$TIME_ZONE = "";
if(!empty($GLOBALS['xoopsConfig']['server_TZ'])){
$server_TZ = abs(intval($GLOBALS['xoopsConfig']['server_TZ']*3600.0));
$prefix = ($GLOBALS['xoopsConfig']['server_TZ']<0)?" -":" +";
$TIME_ZONE = $prefix.date("Hi",$server_TZ);
}
$date = gmdate("D, d M Y H:i:s", intval($time)).$TIME_ZONE;
return $date;
}

$usertimestamp = xoops_getUserTimestamp($time, $timeoffset);
switch (strtolower($format)) {
case 's':
$datestring = _SHORTDATESTRING;
break;
case 'm':
$datestring = _MEDIUMDATESTRING;
break;
case 'mysql':
$datestring = "Y-m-d H:i:s";
break;
case 'rss':
$datestring = "r";
break;
case 'l':
$datestring = _DATESTRING;
break;
case 'c':
case 'custom':
$current_timestamp = xoops_getUserTimestamp(time(), $timeoffset);
if(date("Ymd", $usertimestamp) == date("Ymd", $current_timestamp)){
$datestring = _TODAY;
}elseif(date("Ymd", $usertimestamp+24*60*60) == date("Ymd", $current_timestamp)){
$datestring = _YESTERDAY;
}elseif(date("Y", $usertimestamp) == date("Y", $current_timestamp)){
$datestring = _MONTHDAY;
}else{
$datestring = _YEARMONTHDAY;
}
break;
default:
if ($format != '') {
$datestring = $format;
} else {
$datestring = _DATESTRING;
}
break;
}
return ucfirst(date($datestring, $usertimestamp));
}


// adding your new functions
// calling the function:
// Method 1: echo xoops_local("hello", "Some greeting words");
// Method 2: echo XoopsLocal::hello("Some greeting words");
function &hello($text)
{
$ret = "<div>Hello, ".$text."</div>";
return $ret;
}
}
?>