Arrays

Populate (fill) an index array with numbers

Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 [6] => 7 [7] => 8 [8] => 9 [9] => tedd [10] => 1 [11] => 1.5 )

Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
    [5] => 6
    [6] => 7
    [7] => 8
    [8] => 9
    [9] => tedd
    [10] => 1
    [11] => 1.5
)

Populate an index array with days of the week

Array
(
    [0] => Sun
    [1] => Mon
    [2] => Tue
    [3] => Wen
    [4] => Thu
    [5] => Fri
    [6] => Sat
)

Populate an associative array with book data

Array
(
    [title] => The Grapes of Wrath
    [author] => John Steinbeck
    [published] => 1939
)

Populate a multidimensional associative array with book data

Array
(
    [0] => Array
        (
            [title] => The Grapes of Wrath
            [author] => John Steinbeck
            [published] => 1939
        )

    [1] => Array
        (
            [title] => The Trial
            [author] => Frances Kafka
            [published] => 1925
        )

    [2] => Array
        (
            [title] => The Hobit
            [author] => J. R. Tolkien
            [published] => 1937
        )

    [3] => Array
        (
            [title] =>  Tale of Two Cities
            [author] => Charles Dickens
            [published] => 1859
        )

)

---

CODE FOLLOWS

<?php            
    include('includes/header.php');

    // code
    error_reporting(E_ALL);    // set error reporting to all
                        
    echo('<h1>Arrays</h1>');
    
    echo('<p>Populate (fill) an index array with numbers </p>');

// populate array
    
    $myarray = array();
            
    for ($i = 1; $i < 10; $i++)
        {
        $myarray[] = $i;
        }

$myarray[] = "tedd";
$myarray[] = 1;
$myarray[] = 1.5;

// show contents of array

    print_r($myarray);

    echo('<pre>');
    print_r($myarray);
    echo('</pre>');
    

    echo('<p>Populate an index array with days of the week </p>');

// populate array
        
    $myarray = array("Sun", "Mon", "Tue","Wen", "Thu", "Fri", "Sat");

// show contents of array
    
    echo('<pre>');
    print_r($myarray);
    echo('</pre>');
    
    echo('<p>Populate an associative array with book data</p>');

// populate array
        
    $myarray = array
                    (
                    'title' => "The Grapes of Wrath", 
                    'author' => "John Steinbeck", 
                    'published' => "1939",
                    );
    
// show contents of array
    
    echo('<pre>');
    print_r($myarray);
    echo('</pre>');


    echo('<p>Populate a multidimensional associative array with book data</p>');

// populate array
        
    $myarray = array
        (
            array
                (
                'title' => "The Grapes of Wrath", 
                'author' => "John Steinbeck", 
                'published' => "1939",
                ),
            array
                (
                'title' => "The Trial", 
                'author' => "Frances Kafka", 
                'published' => "1925",
                ),
            array
                (
                'title' => "The Hobit", 
                'author' => "J. R. Tolkien", 
                'published' => "1937",
                ),
            array
                (
                'title' => " Tale of Two Cities", 
                'author' => "Charles Dickens", 
                'published' => "1859",
                ),
        );        
    
// show contents of array
    
    echo('<pre>');
    print_r($myarray);
    echo('</pre>');        
                
    include('includes/footer.php');
?>

---