/**
* 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)
{
$params = $this->_params;
if (is_array($this->_callable)) {
list($object, $method) = $this->_callable;
while ($object instanceof \MUtil_Lazy_LazyInterface) {
$object = $object->__toValue($stack);
}
$callable = array($object, $method);
if (!(is_object($object) && (method_exists($object, $method) || method_exists($object, '__call')))) {
if (function_exists($method)) {
// Add the object as the first parameter
array_unshift($params, $object);
$callable = $method;
} elseif ('if' === strtolower($method)) {
if ($object) {
return isset($params[0]) ? $params[0] : null;
} else {
return isset($params[1]) ? $params[1] : null;
}
}
}
} else {
$method = $this->_callable;
// For error message
$callable = $this->_callable;
}
if (is_callable($callable)) {
$params = \MUtil_Lazy::riseRa($params, $stack);
/* if ('_' == $method) {
\MUtil_Echo::r($params);
} */
return call_user_func_array($callable, $params);
}
throw new \MUtil_Lazy_LazyException('Lazy execution exception! "' . $method . '" is not a valid callable.');
}
/**
* 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;
}
