/**
* The functions that fixes and returns a value.
*
* Be warned: this function may return a lazy value.
*
* @param \MUtil_Lazy_StackInterface $stack A \MUtil_Lazy_StackInterface object providing variable data
* @return mixed
*/
public function __toValue(\MUtil_Lazy_StackInterface $stack)
{
$array = $this->_array;
$offset = $this->_offset;
while ($offset instanceof \MUtil_Lazy_LazyInterface) {
$offset = $offset->__toValue($stack);
}
while ($array instanceof \MUtil_Lazy_LazyInterface) {
$array = $array->__toValue($stack);
}
if (\MUtil_Lazy::$verbose) {
\MUtil_Echo::header('Lazy offset get for offset: <em>' . $offset . '</em>');
\MUtil_Echo::classToName($array);
}
if (null === $offset) {
if (isset($array[''])) {
$value = $array[''];
} else {
$value = null;
}
} elseif (is_array($offset)) {
// When the offset is itself an array, return an
// array of values applied to this offset.
$value = array();
foreach (\MUtil_Lazy::riseRa($offset, $stack) as $key => $val) {
if (isset($array[$val])) {
$value[$key] = $val;
}
}
} elseif (isset($array[$offset])) {
$value = $array[$offset];
} else {
$value = null;
}
while ($value instanceof \MUtil_Lazy_LazyInterface) {
$value = $value->__toValue($stack);
}
if (is_array($value)) {
$value = \MUtil_Lazy::riseRa($value, $stack);
}
return $value;
}