PHP Scripting
Greatest Number
learn php by example for find the greatest number
By Geekboots
5/19/2020
0 views
php-greatest-number.phpPHP
<!DOCTYPE html>
<html>
<head>
<title>Greatest Number</title>
</head>
<body>
/* "$_SERVER['PHP_SELF']" get the current URL of the file */
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<input type="text" name="fst_no" placeholder="First Number" />
<input type="text" name="snd_no" placeholder="Second Number" />
<input type="submit" />
</form>
<?php
/* 'isset()' check the variable exists or not */
if(isset($_POST['fst_no']) && isset($_POST['snd_no'])) {
/* 'is_numeric()' check the variable contain number or not */
if(is_numeric($_POST['fst_no']) && is_numeric($_POST['snd_no'])) {
/* Compare two numbers */
if($_POST['fst_no'] > $_POST['snd_no'])
echo $_POST['fst_no']." is Greatest Number!";
else
echo $_POST['snd_no']." is Greatest Number!";
}
else
echo "Not a valid number!";
}
?>
</body>
</html>
/* Output */
Input:
fst_no = 7
snd_no = 4
7 is the Greatest Number!
/* ---------------------------------------------- */
Input:
fst_no = ab
snd_no = cd
Not a valid number!PHPgreatest numberphp tutorialHypertext Preprocessor
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