php dot operator or  concatenation operator syntax: "kamlendra"."kumar"."jha"; or 'kamlendra'.'kumar'.'jha';

Important concept by quote.  quote strting is terminating quote if continue then use of concatenation operator

                                                $sql = "INSERT INTO courier (party,docket) VALUES ( ' " // terminated here //concatination start .$party."// balance quote ' // syntax code , '".$courier_details."' )";

       things known 

1.  connect to data  base it contains localhost ,username , password. and value passed to connection variable.

2. select data base by using    mysql_select_db("narendri_giga", $conn) or die( mysql_error() ); by passing parameter  database name ans connection variable.

3. now connection and data base selected.

4. sql query

5. run my sql query and validate query 
    $run=mysql_query($query,$conn);
    if($run==TRUE){

6.action code else throw error

7. call function 

print_r() php function will show data for array varable.

isset() check if variable has value then true else false 

jquery prop() is used to set or get prperty or attribute value of html element 

<pre> sed to display

msql _ query() used to run query 

mysql_fetch_array() used to fetch row from table 

checkbox atrubute checked unchecked name value 

mql_query(connection variable , sql query) correct format 

  short summery 

1.  form design 2. action page 3. method 4. input and  name attribute 5. submit button 

on action page 

submit button action coding 

database table 

<?php
$str = "this string contains ";
$array = array(10,12,14,18); 
echo "Before str ".$str;
for($i=0;$i<count($array);$i++){
    //echo $array[$i]."<br>";
    $str .= "'".$array[$i]."',";
}

$str = rtrim($str,',');
echo "After Concat ----".$str;
?>
 

delete syntatx: