php-form/ChangeTitle.php at main · Shailesh847/php-form · GitHub

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<?php
//comment
#single line
//single line
/*
multiline
*/
//gettype() is used to identify the type of a variable.
//var_dump() is also used to identify the data type.
$fn="My name is ";
$name="shailesh";
echo $fn." ".$name;
echo "<br>";

$a=7;
$a="hello"; //overwrite
$b=5.6;
echo gettype($a); // integer
echo "<br>";
// echo gettype($fn); //string
// echo "<br>";
echo gettype($b);
echo "<br>";
$t=true;
echo gettype($t);
//var_dump($t);
echo "<br>";
$s=[1,2,3]; //array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
//$s=array[1,2,3];
var_dump($s);
$num1=10;
$num2=20;
$result=$num1+$num2;
//echo $result;
// echo <h1> $result </h1> ;


?>

<html>
    <head>
        <title> <?php echo "About us "; ?></title>
    </head>
    <body>
        <!-- <h1> <?php echo $result; ?> </h1> -->
    </body>
</html>