varplay

<!DOCTYPE html>
<html>

<!-- playing with PHP... 
     by: Sharon Tuttle
     last modified: 4-22-13
-->

<head>
    <title> Playing with variables </title>
    <meta charset="utf-8" />
</head>

<body>

<?php
    $welcome_msg = 'Hello and welcome';
    $var1 = 2;
    $var2 = 4.35;
?>

<h1> <?= $welcome_msg ?> </h1>

<?php
    echo "<p> $var1 </p>\n";
 
    // use . for concatenation
 
    print '<p> $var2 is '."$var2 </p>\n";

    echo "<p>";
    echo $var1;
    echo "</p>\n";
?> 

<?php  
    $name = "Snoopy";
    $dog = "Caesar";
?>

<p> <?= "$name".'$dog' ?> </p>

<?php
    $thing1 = 3;
    $thing2 = "3";

    if ($thing1 == $thing2)
    {
        echo "<p> these are == equal </p>\n";
    }
    else
    {
        echo "<p> these are NOT == equal </p>\n";
    }

    if ($thing1 === $thing2)
    {
        echo "<p> these are === equal </p>\n";
    }
    else
    {
        echo "<p> these are NOT === equal </p>\n";
    }

    sayHello();

    function sayHello()
    {
        print "<h1> Hello! </h1>\n";
    }
?>


<?php
    require_once("my-std-footer.html");
?>