public function __invoke($data, $context = null)
{
if (!is_array($data = parent::__invoke($data, $context))) {
return null;
}
return array_filter($data, $this->callback ?: function ($value) {
return $value !== null;
});
}
public function __invoke($data, $context = null)
{
$depth = $this->depth;
$structure = parent::__invoke($data, $context);
while (is_array($structure) && $depth--) {
$structure = reset($structure);
}
return $structure;
}
public function __invoke($data, $context = null)
{
if (!is_array($collection = parent::__invoke($data, $context))) {
return null;
}
return array_map(function ($context) use($data) {
return $this->delegate($this->transformation, $data, $context);
}, $collection);
}
public function __invoke($data, $context = null)
{
return parent::__invoke($data, $this->delegate($this->expression, $data, $context));
}
public function __invoke($data, $context = null)
{
return array_merge((array) parent::__invoke($data, $context), (array) $this->delegate($this->second, $data, $context));
}