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Array sort

Before sort

Array
(
    [1] => r
    [2] => T
    [3] => K
    [4] => 
    [5] => Z
    [6] => p
    [7] => n
    [8] => j
    [9] => o
)

After sort

Array
(
    [0] => 
    [1] => K
    [2] => T
    [3] => Z
    [4] => j
    [5] => n
    [6] => o
    [7] => p
    [8] => r
)

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

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