Thanx vary much for this help........!
Here is the function in witch form i used it..
function findmonthyear()
{
$monthyr= "select distinct calldate from billtable";
$myresult= execute_query($monthyr);
$k=0;
$distmonth = array();
while($row = mysql_fetch_array($myresult))
{
$calldate= $row['calldate'];
list($days, $months, $year1)=split("/", $calldate);
$months;
list($years)=split(" ", $year1);
$distyear[$k]=$years;
$distmonth[$k] = $months;
$k=$k+1;
}
$umonth = array_unique($distmonth);
asort($umonth);
$valm=array_values($umonth);
$countm=count($valm);
$uyear = array_unique($distyear);
asort($uyear);
$valy=array_values($uyear);
$county=count($valy);
}
I call this method by syntax as-
findmonthyear();