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<?php
namespace ipl\Orm;
use IteratorAggregate;
use Traversable;
class Defaults implements IteratorAggregate
{
/** @var array<string, mixed> Registered defaults */
protected $defaults = [];
/**
* Iterate over the defaults
*
* @return Traversable
*/
public function getIterator(): Traversable
{
foreach ($this->defaults as $column => $default) {
yield $column => $default;
}
}
/**
* Add a default for the given property
*
* @param string $property
* @param mixed $default If it's a closure, its interface is assumed to be
* ({@see Model} $subject, string $propertyName)
*
* @return $this
*/
public function add(string $property, $default): self
{
$this->defaults[$property] = $default;
return $this;
}
/**
* Get whether a default for the given property exists
*
* @param string $property
*
* @return bool
*/
public function has(string $property): bool
{
return array_key_exists($property, $this->defaults);
}
}
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