While_Loop

 <?php

    //EXAMPLE 1

    $a = 1;

    $count = 0;

    while($a <= 10)

    {

        echo $a . ")  Hello World<br>";

        $a = $a + 1;    //We can write $a++;

        $count++;

    }

    echo "There is total number of count is : " . $count . "<br>";

    echo "<br>";

    //EXAMPLE 2

    $b = 10;

    $count = 0;

    echo "<ul>";

    while($b >= 1)

    {

        echo  "<li>" . $b . ") Hello World<br>" . "</li>";

        $b--;

        $count++;

    }

    echo "</ul>";

    echo "There is total number of count is : " . $count;

//OUTPUT:

//1) Hello World

// 2) Hello World

// 3) Hello World

// 4) Hello World

// 5) Hello World

// 6) Hello World

// 7) Hello World

// 8) Hello World

// 9) Hello World

// 10) Hello World

// There is total number of count is : 10

// 10) Hello World

// 9) Hello World

// 8) Hello World

// 7) Hello World

// 6) Hello World

// 5) Hello World

// 4) Hello World

// 3) Hello World

// 2) Hello World

// 1) Hello World

// There is total number of count is : 10

?>