private function serializeFingerPrints($value)
{
if ($this->isTree($value)) {
$pieces = array();
foreach ($value as $key => $subvalue) {
$pieces[] = $this->escape($this->keyFingerPrinter->fingerPrint($key));
$pieces[] = $this->escape($this->serializeFingerPrints($subvalue));
}
return implode(':', $pieces);
}
return $this->valueFingerPrinter->fingerPrint($value);
}
/**
* @param mixed $value The value to be fingerpinted
* @return mixed The fingerprint
*/
public function fingerPrint($value)
{
$callback = $this->getTransformation();
return $this->fingerPrinter->fingerPrint($callback($value));
}
/**
* @param mixed $value The value to be fingerpinted
* @return mixed The fingerprint
*/
public function fingerPrint($value)
{
return $this->prefix . (string) $this->fingerPrinter->fingerPrint($value);
}