/**
* @param Strategy|Mapping|array|mixed $expression Expression.
* @param callable|null $callback Callback function that receives the current value as its first argument.
*/
public function __construct($expression, callable $callback = null)
{
parent::__construct($expression);
$this->callback = $callback;
}
/**
* @param Strategy|Mapping|array|mixed $collection Expression that maps to an array.
* @param int $depth Number of times to descending into nested collections.
*/
public function __construct($collection, $depth = 1)
{
parent::__construct($collection);
$this->depth = max(1, $depth | 0);
}
/**
* @param Strategy|Mapping|array|mixed $first First data set.
* @param Strategy|Mapping|array|mixed $second Second data set.
*/
public function __construct($first, $second)
{
parent::__construct($first);
$this->second = $second;
}
/**
* @param Strategy|Mapping|array|mixed $expression Expression.
* @param Strategy|Mapping|array|mixed $context New context.
*/
public function __construct($expression, $context)
{
parent::__construct($expression);
$this->expression = $context;
}
/**
* Initializes this instance with the specified strategy or mapping that yields a data collection and the specified
* strategy or mapping that describes how to transform each datum in the collection.
*
* @param Strategy|Mapping|array|mixed $collection Data collection expression that maps to an array
* @param Strategy|Mapping|array|mixed $transformation Transformation expression.
* The current datum is passed as context.
*/
public function __construct($collection, $transformation)
{
parent::__construct($collection);
$this->transformation = $transformation;
}
