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Collection.php
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Collection.php
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<?php
/**
* slince config component
* @author Tao <taosikai@yeah.net>
*/
namespace Slince\Config;
class Collection implements \ArrayAccess, \Countable, \IteratorAggregate
{
/**
* Array of data
* @var array
*/
protected $data;
public function __construct(array $data = [])
{
$this->data = $data;
}
/**
* Returns data
* @return array
*/
public function toArray()
{
return $this->data;
}
/**
* Sets a item with its key and value
* @param int|string $key
* @param mixed $value
* @return void
*/
public function set($key, $value)
{
$this->data[$key] = $value;
}
/**
* Gets the value by the specified key
* @param int|string $key
* @param mixed $defaultValue
* @return mixed
*/
public function get($key, $defaultValue = null)
{
return $this->exists($key) ? $this->data[$key] : $defaultValue;
}
/**
* Merges a array to the collection
* @param array $data
*/
public function merge(array $data)
{
$this->data = array_replace($this->data, $data);
}
/**
* Checks whether the item exists
* @param int|string $key
* @return boolean
*/
public function exists($key)
{
return isset($this->data[$key]);
}
/**
* Remove a item by its key
* @param mixed $key
*/
public function delete($key)
{
unset($this->data[$key]);
}
/**
* Clears the collection
*/
public function clear()
{
$this->data = [];
}
/**
* Clears the collection
* @deprecated
*/
public function flush()
{
$this->clear();
}
/**
* {@inheritdoc}
*/
public function offsetGet($offset)
{
return $this->get($offset);
}
/**
* {@inheritdoc}
*/
public function offsetSet($offset, $value)
{
$this->set($offset, $value);
}
/**
* {@inheritdoc}
*/
public function offsetUnset($offset)
{
$this->delete($offset);
}
/**
* {@inheritdoc}
*/
public function offsetExists($offset)
{
return $this->exists($offset);
}
/**
* {@inheritdoc}
*/
public function count()
{
return count($this->data);
}
/**
* {@inheritdoc}
*/
public function getIterator()
{
return new \ArrayIterator($this->data);
}
}