public function testOverflow()
{
$permutation = new Permutation(2);
$this->assertEquals(array(1, 0), $permutation->next());
$this->assertEquals(array(0, 1), $permutation->next());
$this->assertEquals(array(1, 0), $permutation->next());
$this->assertEquals(array(0, 1), $permutation->next());
}
/**
* @return string
*/
public function getCurrentTemplate()
{
if ($hash = $this->getOption(self::OPTION_GENERATE_HASH)) {
if (!is_int($hash)) {
$hash = abs(crc32($hash));
}
$this->currentTemplateKeySequence = $templateKeySequence = $this->permutation->getByPos($hash);
} elseif ($this->getOption(self::OPTION_GENERATE_RANDOM)) {
$randomSequence = range(0, count($this->template) - 1);
shuffle($randomSequence);
$this->currentTemplateKeySequence = $templateKeySequence = $this->permutation->nextSequence($randomSequence);
} else {
$templateKeySequence = $this->currentTemplateKeySequence;
}
$templateArray = $this->template;
for ($i = 0, $count = count($templateKeySequence); $i < $count; $i++) {
$templateKey = $templateKeySequence[$i];
$templateKeySequence[$i] = $templateArray[$templateKey];
}
return implode($this->delimiter, $templateKeySequence);
}