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PHP Environment Variables with PHP Environment Variables Complex Data Types

Shoko Ishigaki
Shoko Ishigaki
21,826 Points
Posted by Shoko Ishigaki
Shoko Ishigaki
21,826 Points

Database source file for PDO constructor

I noticed that "sqlite:/www/" was used to construct PDO object in the video and also in the teachers note.

$db = new PDO("sqlite:/www/" . $repository->source);

However, I had to remove "/www/" to make the code work (I'm using localhost).

$db = new PDO("sqlite:" . $repository->source);

My question is what is the meaning of "/www/" and also when to use it.

jamesjones21
jamesjones21
9,260 Points
jamesjones21
jamesjones21
9,260 Points

www seems to be a folder directory, do you have the full code? I know a little about PDO, but not used SQLite before.

but hopefully I can help

Shoko Ishigaki
Shoko Ishigaki
21,826 Points
Shoko Ishigaki
Shoko Ishigaki
21,826 Points

Here's the full code.

<?php
putenv('REPOSITORY={"type":"sqlite","source":"inc/quotes.db"}');
include 'inc/bootstrap.php';
$pageTitle = "Developers Say the Darndest Things";
$section = "home";
require 'inc/header.php';
?>
    <div class="wrapper">

        <?php
        // get each line of file into an array
        // $file = file('inc/quotes.txt');
        //read environment variable into an object
        $repository = json_decode(getenv('REPOSITORY'));
        //echo $repository->type;

        switch ($repository->type) {
            case 'text':
                $file = file($repository->source);
                // grab a random array element
                $quote = $file[array_rand($file)];
                break;
            case 'sqlite':
                try {
                    $db = new PDO("sqlite:" . $repository->source);
                    $db->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
                    $result = $db->query('SELECT quote FROM Quotes ORDER BY RANDOM() LIMIT 1');
                    $quote = $result->fetchColumn();
                    break;
                } catch (Exception $e) {
                    echo "Error!: " . $e->getMessage();
                }
            default:
                $quote = 'It works on my machine.';
        }

        echo '<h1>' . $quote . '</h1>';
        ?>
    </div>
<?php
require 'inc/footer.php';

1 Answer

Alena Holligan
STAFF
Alena Holligan
Treehouse Teacher
Alena Holligan
Alena Holligan
Treehouse Teacher

/www/ is the base path for workspaces, so if you are working locally you wouldn't need that :)