How to get Enum Values in Mysql?

function get_enum($table,$clname){
  $Query="SHOW COLUMNS FROM `$table` LIKE '$clname'";
  $result = $this->db->query($Query) or die("Get Enum value Query");
  if($result){
    $row = mysql_fetch_array( $result , MYSQL_NUM );
    $regex = "/'(.*?)'/";
    preg_match_all( $regex , $row[1], $enum_array );
    $enum_fields = $enum_array[1];
    return $enum_fields;
  }
  return false;
}

Generate Password in alphanumeric using PHP

$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$password = substr( str_shuffle( $chars ), 0, $length );

Dynamically Date Range reset in jQuery UI date picker

Removes the datepicker functionality completely. This will return the element back to its pre-init state. 
Code :
$( "#start_date" ).datepicker( "destroy" );
$( "#end_date" ).datepicker( "destroy" );