PHP while Keyword

Use a while loop to print numbers from 1 to 5:

<?php
$i = 1;
while($i <= 5) {
echo $i;
echo "<br>";
$i++;
}
?>

Definition and Usage

The while keyword is used to create a while loop and is also used to set the looping condition of a do...while.

The do keyword.

Read more about while loops in our PHP while Loop Tutorial.

Read more about do...while loops in our PHP do while Loop Tutorial.