Quick and dirty lipsum-type generator. Throws random letters together to create paragraphs.

gibberish.php

<?php
function gibberish($numParagraphs = 1, $wordsPerParagragh = 10, $maxWordLength = 20)
{
    mt_srand(microtime() * 1000000);
    $bank = array_merge(range('a', 'z'), range('A', 'Z'));
    $paragraphs = array();
    
    for ($i = 0; $i < $numParagraphs; $i++)
    {
        $words = array();
        
        for ($j = 0; $j < $wordsPerParagragh; $j++)
        {
            shuffle($bank);
            $word = implode($bank);
            $length = mt_rand(3, $maxWordLength);
            $words[] = substr($word, 0, $length);
        }
        
        $paragraphs[] = implode(' ', $words);
    }
    
    return '<p>'.implode(".</p>\n\n<p>", $paragraphs).'.</p>';
}