What is the use of DO WHILE loop in PHP?

The do…while loop – Loops through a block of code once, and then repeats the loop as long as the specified condition is true. The PHP do…while Loop The do…while loop will always execute the block of code once, it will then check the condition, and repeat the loop while the specified condition is true.

What is the use of PHP in system programming?

PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them. The other uses of PHP are: PHP can handle forms, i.e. gather data from files, save data to a file, thru email you can send data, return data to the user. You add, delete, modify elements within your database thru PHP.

How do I connect to MySQL using phpphp?

PHP offers three different APIs to connect to MySQL. Below we show the APIs provided by the mysql, mysqli, and PDO extensions. Each code snippet creates a connection to a MySQL server running on “example.com” using the username “user” and the password “password”. And a query is run to greet the user.

How is mysqli implemented in postphp?

PHP’s MySQL-related extension, mysqli, is implemented using the PHP extension framework. An extension typically exposes an API to the PHP programmer, to allow its facilities to be used programmatically. However, some extensions which use the PHP extension framework do not expose an API to the PHP programmer.

How does the DO WHILE LOOP work in C++?

The do…while loop will always execute the block of code once, it will then check the condition, and repeat the loop while the specified condition is true. The example below first sets a variable $x to 1 ($x = 1). Then, the do while loop will write some output, and then increment the variable $x with 1.

What is the size of arrays in PHP?

Arrays in php do not have a fixed size and therefore can be appended to easily. Share Improve this answer Follow edited Feb 2 ’12 at 0:49 answered Feb 2 ’12 at 0:29