Write short notes on Do while Loop.

Short/Brief Note

Do while loop always run the statement inside of the loop block at the first time execution.
Then it is checking the condition whether true or false.
It executes the loop if the specified condition is true.

Do While loop Structure and Flow Chart

Syntax:

do {
    code to be executed;
} while (condition is true);

shaalaa.com

Looping Structure

Is there an error in this question or solution?

Chapter 7: Looping Structure - Evaluation - PART – III [Page 118]

Chapter 7 Looping Structure
Evaluation - PART – III | Q 4. | Page 118

Loops that iterate for fixed number of times is called ______.

for ($ x=0; $ x<5; x++)
echo “Hai”
The above loop executes how many no of times?

What will be displayed in a browser when the following PHP code is executed:

<?php
for (Scounter = 20; $counter< 10;
$counter++)
{
echo “Welcome to Tamilnadu “;
}
echo “Counter is: Scounter”;
?>

PHP supports which types of looping techniques ______.

Consider the following code

<? php
$count=12;
do{
printf(“%d squared=%d<br/>”,
$count, pow($count,2));
} while($count<4);
?>

What will be the output of the code.

What will be the output of the following PHP code?

<?php
for ($x = -1; $x < 10;--$x)
{
print $x;
}
?>

Define Looping Structure in PHP.

Define for loop in PHP.

What is For each loop in PHP?

Compare for loop and for each loop.