Data_Types

 <?php

    $x = "Hello World";
    $y = 34521;
    $z = 985.321;
    $a = 2345.21498740;
    $m = "412.9056";
    $n = true;
    $p = false;
    $o = null;
    $r = array("html","css","js");

    // echo $x . "<br>";
    // echo $y . "<br>";
    // echo $z . "<br>";
    // echo $a . "<br>";
    // echo $m . "<br>";
    // echo $n . "<br>";
    // echo $p . "<br>";
    echo $o . "<br>";

    // var_dump($x);   //var_dump() function gives the value and return type of any variables
    // var_dump($y);
    // var_dump($z);
    // var_dump($a);
    // var_dump($m);
    // var_dump($n);
    // var_dump($p);
    var_dump($o);
    var_dump($r);

//OUTPUT:
//NULL array(3) { [0]=> string(4) "html" [1]=> string(3) "css" [2]=> string(2) "js" }

?>

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