PHP

Code

Information

<?php ?> starts and ends a php code
$test defines a variable with the name "test"
if ( $test == 1 ) { } if statement, code within {} will be executed if the variable test is equal to 1
include ("filename"); places the content of a file into your page
   
   
   

MYSQL

Code

Information

insert into used to place information into a database table
select used to retrieve information for a database table