Dati 5 elementi di array...

[filippo.toso]

Studiati questo codice:

<pre>
<?php 
$elements = range('A', 'E');

function generate($array, $position) {

    $results = array();

    $count = count($array);

    if ($position >= $count) {
        return $results;
    }
    
    $element = $array[$position];
    $position++;
    
    
    for($i = $position; $i < $count; $i++) {
        $results[] = "{$element}.{$array[$i]}";
    }
    
    return array_merge($results, generate($array, $position));

}

$array = generate($elements, 0);

print_r($array);

?>
</pre>