Php else
From w3cyberlearnings
Contents |
else condition
else is for the condition that the if condition is not meet.
Syntax if
if(expr) statement else statement
Example 1
<?php
$a = 10;
$b = 30;
if($a > $b) {
echo '$a is bigger than $b';
}
else {
echo '$b is bigger than $a';
}
?>
Output
$b is bigger than $a
Example 2
<?php
$pass = 1;
if ($pass) {
echo 'you are done';
} else {
echo 'you are not done';
}
?>
Output
you are done
Example 3
- This will generate the INPUT form for user to input two numbers. When user click on the Check Result,
the system will check the user input result and display result accordingly back to the user.
<?php
if ($_GET) {
if ($_GET['number1'] > $_GET['number2']) {
echo 'Input 1 is larger than Input 2';
} else {
echo 'Input 2 is larger than Input 1';
}
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<form method="get" action="<?php echo $_SERVER['PHP_SELF']; ?>">
Input 1<input type="text" name="number1"/><br/>
Input 2<input type="text" name="number2"/><br/>
<input type="submit" name="submit" value="Check Result"/>
</form>
</body>
</html>
Output
The output is depending on the user input.
Related Links
- if
- else
- elseif/else if
- while
