php - Inserting data into a SQL table but getting a specific column data from another table with different column names -


i looking help,

i have 2 tables, 1 being users , being land. users can have many pieces of land.

my users table holds - id | username | pass land table holds - id | land_id |land_name

i trying create sql statement allow me create new 'land' record populate 'land_id' 'id' users table. therefore:

the user id 1 has land name green has land_id 1 meaning own land?

i hope makes sense.

thank in advance help.

$var = $session_id; //use whatever variable use when collecting session id, gather using unique id users table this.  $sql = "insert land (land_id, land_name) values ('$var', '$land_name')"

extra info:

if coming html form can input users session id hidden input:

<input type = "hidden" name="id" value="<?php echo['id']; ?>">

in case define variable as:

$var = $_post['id'];

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