function

markov

 ($combo,$gran = '2', $num = '200') {
$i = "";
$nr_files = "";

//$combo = utf8_encode($combo);
$combo = htmlentities($combo);
$combo = preg_replace('/ss+/', ' ', $combo);
$combo = preg_replace('/ | /', '', $combo);
$chickenfeet=explode(".",$combo);
shuffle($chickenfeet);
$combo="";
$combo=implode(".",$chickenfeet);
$G = $gran;
$O = $num;
$output = "";
$combo = $combo;
$LETTERS_LINE = 65;
$textwords = array();
$textwords = explode(" ", $combo);
$loopmax = count($textwords) - ($G - 2) - 1;
$frequency_table = array();
for ($j = 0; $j < $loopmax; $j++) {
$key_string = "";
$end = $j + $G;
for ($k = $j; $k < $end; $k++) {
$key_string .= $textwords[$k].' ';
}
@$frequency_table[$key_string] .= $textwords[$j + $G]." ";
}
$buffer = "";
$lastwords = array();
for ($i = 0; $i < $G; $i++) {
$lastwords[] = $textwords[$i];
$buffer .= " ".$textwords[$i];
}
for ($i = 0; $i < $O; $i++) {
$key_string = "";
for ($j = 0; $j < $G; $j++) {
$key_string .= $lastwords[$j]." ";
}
if (@$frequency_table[$key_string]) {
$possible = explode(" ", trim($frequency_table[$key_string]));
mt_srand();
$c = count($possible);
$r = mt_rand(1, $c) - 1;
$nextword = $possible[$r];
$buffer .= " $nextword";
if (strlen($buffer) >= $LETTERS_LINE) {
$output .= $buffer;
$buffer = "";
}
for ($l = 0; $l < $G - 1; $l++) {
$lastwords[$l] = $lastwords[$l + 1];
}
$lastwords[$G - 1] = $nextword;
} else {
$lastwords = array_splice($lastwords, 0, count($lastwords));
for ($l = 0; $l < $G; $l++) {
$lastwords[] = $textwords[$l];
$buffer .= ' '.$textwords[$l];
}
}
}

return trim($output);
}