Do While Loop - Control Statements in PHP

In PHP, control statements are used to control the flow of code execution. One such statement is the do-while loop, which is used to execute a block of code at least once, and then repeatedly execute it until a certain condition is met. In this tutorial, we'll explore the do-while loop in PHP in detail.

Understanding the Do While loop in PHP

Syntax:

The syntax for the do-while loop in PHP is as follows:

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

The code inside the do block is executed at least once, and then repeatedly executed as long as the condition remains true.

Example:

Let's consider an example using the do-while loop. In this example, we'll use a do-while loop to print the numbers 1 to 5:

$i = 1;

do {
  echo $i;
  $i++;
} while ($i <= 5);

Output:

The output of the above code will be:

12345

Explanation:

In the above example, we've initialized the variable $i to 1, and then used a do-while loop to print the value of $i and increment it by 1 with each iteration. The loop will continue until $i is no longer less than or equal to 5.

Use

The do-while loop in PHP is particularly useful in situations where you need to execute a block of code at least once, regardless of whether or not a certain condition is met. It can also be used to repeatedly execute a block of code until a certain condition is met.

Important Points

• The do-while loop in PHP is used to execute a block of code at least once, and then repeatedly execute it until a certain condition is met.
• The code inside the do block is executed at least once, regardless of whether or not the condition is true.
• The do-while loop is particularly useful in situations where you need to execute a block of code at least once, regardless of whether or not a certain condition is met.

Summary

In this tutorial, we explored the do-while loop in PHP. We covered its syntax, example, output, explanation, use, and important points. The do-while loop is particularly useful in situations where you need to execute a block of code at least once, regardless of whether or not a certain condition is met. It can also be used to repeatedly execute a block of code until a certain condition is met.