Difference Between While And Do While Loops In PHP
Posted By
Bajarangi soft ,
Posted On 16-09-2020
Difference Between while and do…while Loop
While loop Difference
- The while loop is the most basic looping structure used in programming.
- Entry controlled loop.
- Variable in condition is initialized before the exacution of loop.
- Single statement, brackets are not required.
- The codition is specified at the begning od the loop
You need to Try this Example in While loop Method:
First need to HTML doctype
<!DOCTYPE html>
<html lang="en">
<head>
<title>CURL Posting Data</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>
</body>
</html>
You need to Add is PHP Code while loop method
<?php
$abc = 0;
while($abc <= 5){
$abc++;
echo "The number is " . $abc . "<br>";
}
?>
Do..while loop Difference:
- Statement(s) is executed atleast once, thereafter condition is checked.
- Exit controlled loop
- variable may be initialized before or within the loop.
- Brackets are always required.
You need to Add is PHP Code do..While loop method
<?php
$abc = 0;
do{
$abc++;
echo "The number is " . $abc . "<br>";
}
while($abc <= 5);
?>
Complete Code of Different between while loop and do..while loop in PHP:
index.php
<!DOCTYPE html>
<html lang="en">
<head>
<title>CURL Posting Data</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="text-center">
<h1>PHP While Loop</h1>
</div>
<br>
<div class="well">
<?php
$abc = 0;
while($abc <= 5){
$abc++;
echo "The number is " . $abc . "<br>";
}
?>
</div>
<br>
<div class="text-center">
<h2>PHP Do...while Loop</h2>
</div>
<br>
<div class="well">
<?php
$abc = 0;
do{
$abc++;
echo "The number is " . $abc . "<br>";
}
while($abc <= 5);
?>
</div>
</div>
</body>
</html>
