<?php 
     function date_convert($year, $month, $day)
     
      {
      if($month == 13)
      {
       $month = 0;
       }
      
         $da[0]= $year;
$da[1]= $month;
$da[2]= $day;
$date=implode("/",$da); 
return $date;
}
?>


<?php 
       function date_back($mydate)
       
     {  
       
       $da = explode("-", $mydate);
       
       
       $ad[0] = $da[2];
       
       $ad[1] = $da[1];
       
       $ad[2] = $da[0];
       
       $date=implode("-",$ad ); 
       return $date;
}

?>

<?php 
       function date_back_eng($mydate)
       
     {  
       
       $da = explode("-", $mydate);
       
      
       $ad[0] = $da[2]; 
       
       $ad[1] = $da[1]; 
       
       $ad[2] = $da[0];
     
    if ( $ad[0]== 31)
     $ad[0] = $ad[0].'st'; 
    

    elseif ( $ad[0] == 0)
    
     $ad[0] = ' ' ;
    

     elseif ( $ad[0]== 1)
    
     $ad[0] = $ad[0].'st';
     
     elseif ( $ad[0]== 2)
    
      $ad[0] = $ad[0].'nd';
       
     elseif ( $ad[0]== 3)
     
      $ad[0] = $ad[0].'rd';
     
     elseif ( $ad[0]>= 4)
     
       $ad[0] = $ad[0].'th'; 
      
     
     if ($ad[1] == 1)
      $ad[1] = "January";

      if ($ad[1] == 2)
      $ad[1] = "February";
      if ($ad[1] == 3)
      $ad[1] = "March";
      if ($ad[1] == 4)
      $ad[1] = "April";
      if ($ad[1] == 5)
      $ad[1] = "May";
      if ($ad[1] == 6)
      $ad[1] = "June";
      if ($ad[1] == 7)
      $ad[1] = "July";
      if ($ad[1] == 8)
      $ad[1] = "August";
      if ($ad[1] == 9)
      $ad[1] = "September";
      if ($ad[1] == 10)
      $ad[1] = "October";
      if ($ad[1] == 11)
      $ad[1] = "November";
      
      if ($ad[1] == 12){
      $ad[1] = "December";
      }
 //     echo $ad[0]. $ad[1]. $ad[2];
      
      $date=implode(" ",$ad ); 
       return $date;
}

?>