Copy Makes a copy of a file. Returns TRUE if the copy succeeded otherwise return FALSE.

move_uploaded_file() function checks to ensure that the file designated by filename is a valid upload file. If the file is valid, it will be moved to the filename given by destination. If filename is … Read more

php.ini… Read more

httpd.conf… Read more

The function names __construct, __destruct, __call, __callStatic, __get, __set, __isset, __unset, __sleep, __wakeup, __toString, __invoke, __set_state and __clone are magical in PHP classes. You cannot have functions with these names in any of your classes unless you want the magic functionality associated with them.… Read more

A stored procedure is a set of SQL commands that has been compiled and stored on the database server.

Once the stored procedure has been “stored”, client applications can execute the stored procedure over and over again without sending it to the database server again and without compiling it again.… Read more

The DELETE command is used to remove rows from a table. A WHERE clause can be used to only remove some rows. If no WHERE condition is specified, all rows will be removed. After performing a DELETE operation you need to
COMMIT or ROLLBACK the transaction to make the change … Read more

Sets the value of the given configuration option. The configuration option will keep this new value during the script’s execution, and will be restored at the script’s ending.

<?php
echo ini_get(‘display_errors’);
if (!ini_get(‘display_errors’)) {
ini_set(‘display_errors’, 1);
}
echo ini_get(‘display_errors’);
?>… Read more

GROUP BY: It is a way to sub-total your results,or perform
some other ‘aggregate’ functions on them.
ORDER BY: It is a simply a way to sort your results. It
doesn’t affect what shows up in your result set,only what
order it is displayed.… Read more

Primary Key: A column in a table whose values uniquely identify the rows in the table. A primary key value cannot be NULL.

Unique Key: Unique Keys are used to uniquely identify each row in an Oracle table. There can be one and only one row for each unique key … Read more

The output is displayed directly to the browser.… Read more