information about code

daniyal

<!DOCTYPE html>
<html>
<head>
<link type='text/css' rel='stylesheet' href='style.css'/>
<title>Coin Flips</title>
</head>
<body>
<p>We are going to flip a coin until we get three heads in a row!</p>
<?php
$headCount = 0;
$flipCount = 0;
while ($headCount < 3) {
$flip = rand(0,1);
$flipCount ++;
if ($flip){
$headCount ++;
echo "<div class=\"coin\">H</div>";
}
else {
$headCount = 0;
echo "<div class=\"coin\">T</div>";
}
}
echo "<p>It took {$flipCount} flips!</p>";
?>
</body>
</html>

//what this code do ??? tell me anyone plzz? i am confused ????

NogDog

<!DOCTYPE html>
<html>
<head>
    <link type='text/css' rel='stylesheet' href='style.css'/>
    <title>Coin Flips</title>
</head>
<body>
<p>We are going to flip a coin until we get three heads in a row!</p>
<?php
$headCount = 0; // initialize 2 variables to zero
$flipCount = 0;
while ($headCount < 3) { // keep looping as long as $headCount is less than 3
    $flip = rand(0,1); // randomly set $flip to either 0 or 1
    $flipCount ++; // increment $flipCount by 1 (add 1 to whatever it currently is)
    if ($flip){  // if $flip was 1 (true) then do this stuff
        $headCount ++; // increment $headCount by 1
        echo "<div class=\"coin\">H</div>"; // show that you just flipped a "Head"
    }
    else {  // it must have been a 0 (tails)
        $headCount = 0;  // reset this back to 0, so we'll keep looping
        echo "<div class=\"coin\">T</div>"; // show that you just flipped a "Tail"
    }
}
echo "<p>It took {$flipCount} flips!</p>"; // show how many flips it took until you got 3 1's (heads) in a row
?>
</body>
</html>