PHP Form & MySQL: Insert a record through variable

This entry is part 1 of 3 in the series PHP Form & MySQL

1Independence DayWill Smith1996
2Ender's GameAsa Butterfield2013
3LincolnDaniel Day Lewis2012
4InceptionLeonardo DiCaprio2010

Let’s say we want to create the above database table by inserting a record through a variable.

To set up the insert query string in line 19, I have used the following 4 steps:

  • create database, line 8
  • use database, line 11
  • create table, line 14
  • insert into table, line 19

And finally to execute the query string on line 24.


$mysqli = new mysqli("localhost", "root", "");
if ($mysqli->connect_errno) {
    echo "Failed to connect to MySQL";

$sql_db = "create database if not exists allmovie";
mysqli_query($mysqli, $sql_db);

$sql_use_db = "use allmovie";
mysqli_query($mysqli, $sql_use_db);

$sql_tb = "create table if not exists movie (id int auto_increment primary key, title varchar(30), actor varchar(50), year int(10))";
mysqli_query($mysqli, $sql_tb);

$title1 = 'Independence Day';

$sql_in = "INSERT INTO movie
(title, actor, year)
('$title1', 'Will Smith', 1973)";

mysqli_query($mysqli, $sql_in);



In line 11, I have used this statement:

$sql_use_db = "use allmovie";

The use db_name statement tells MySQL to use the db_name database as the default (current) database for subsequent statements.

Notice that I have used the variable $title1 and put that into the $sql_in query string in line 19.

Note also that $title1 is enclosed in a single quote ” string to differentiate it with $sql_in.


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