Back

Array sort

Before sort

Array
(
    [1] => M
    [2] => 4
    [3] => q
    [4] => 7
    [5] => 7
    [6] => z
    [7] => 0
    [8] => o
    [9] => T
)

After sort

Array
(
    [0] => 0
    [1] => 4
    [2] => 7
    [3] => 7
    [4] => M
    [5] => T
    [6] => o
    [7] => q
    [8] => z
)

CODE FOLLOWS


<?php

    include('../includes/header4.php');
    echo('<h1> Array sort</h1>');

    $a = array();

    for ($i = 1; $i < 10; $i++)
        {
        $a[$i] = randChar(1);
        }

    echo('<p> Before sort</p>');

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

    echo('<p> After sort</p>');

    sort($a);   // <-- this is the sort

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

?>
    <br><br>
    <form action="" method="POST">
        <input type="submit" name="submit" value="Try Again">
    </form>

<?php

    include('../includes/footer4.php');

    function randChar($length)
        {
        $chars = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
        $len = strlen($chars);
        $randChar = '';
        for ($i = 0; $i < $length; $i++)
            {
            srand( microtime() * 1000000 );
            $b = rand(0, $len);
       //     echo("   &nbsp; &nbsp;  $b  &nbsp; &nbsp;      ");
            $randChar .= $chars[$b];
            }
        return $randChar;
        }
?>

Last modified: February 24 2022

Line Count: 51

Back