/*--------------------
	string helper
-----------------------*/
function str_truncate($text,$numb)
{
	$text = html_entity_decode($text, ENT_QUOTES);
	if (strlen($text) > $numb) {
	$text = substr($text, 0, $numb);
	$text = substr($text,0,strrpos($text," "));
		//This strips the full stop:
		if ((substr($text, -1)) == ".") {
			$text = substr($text,0,(strrpos($text,".")));
		}
	$etc = "...";
	$text = $text.$etc;
	}
	$text = htmlentities($text, ENT_QUOTES);
	return $text;
}
 
// highlight errors
function str_flash($text,$color=null) {
	if (preg_match("/error/i", $text) || preg_match("/warning/i", $text))
		$color = '#FFCACA';
	else
		$color = 'yellow';
	$temp_text = '<div style="background:'.$color.'; color:black;">'.$text.'</div>';
	return $temp_text;
}
 
function str_break ($astring) {
	$astring = str_replace(chr(13) . chr(10), "<br />", $astring);
	return $astring;
}
 
/*--------------------
	date/time helper
-----------------------*/
 
// change date format from dd/mm/yyyy to yyyy-mm-dd
function date_human_sql($adate)
{
	$tmpdate = explode ("/",$adate);
	$newdate = $tmpdate[2]."-".$tmpdate[1]."-".$tmpdate[0];
	return $newdate;
}
 
// change date format from yyyy-mm-dd to dd/mm/yyyy
function date_sql_human($adate)
{
	if ($adate != '' && $adate != '0000-00-00') {
		$tmpdate = explode ("-",$adate);
		$newdate = $tmpdate[2]."/".$tmpdate[1]."/".$tmpdate[0];
	} else {
		$newdate = '';
	}
	return $newdate;
}
 
// get difference between 2 date - in days
function date_differ($dformat, $endDate, $beginDate)
{
	// datediff = - (dash) should be in Y-m-d format
	$date_parts1=explode($dformat, $beginDate);
	$date_parts2=explode($dformat, $endDate);
	$start_date=gregoriantojd($date_parts1[1], $date_parts1[2], $date_parts1[0]);
	$end_date=gregoriantojd($date_parts2[1], $date_parts2[2], $date_parts2[0]);
 
	return $end_date - $start_date;
}
 
// change datetime format from yyyy-mm-dd 00:00:00 to yyyy/mm/dd
function date_short($adate)
{
	$newdate = substr($adate, 0, 10);
	return $newdate;
}
 
// change datetime format from yyyy-mm-dd 00:00:00 to 00:00:00
function time_short($adatetime)
{
	$newtime = substr($adatetime, 10, 10);
	return $newtime;
}
 
/*--------------------
	number helper
-----------------------*/
 
// format figure to xx,xxx.xx
function number_currency($float) {
	return number_format($float,2,".",",");
}