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<?php
namespace TenQuality\Data;
use ArrayObject;
use TenQuality\Data\Contracts\Arrayable;
use TenQuality\Data\Contracts\Stringable;
use TenQuality\Data\Contracts\JSONable;
/**
* Collection of data.
*
* @author Cami M <[email protected]>
* @copyright 10 Quality <[email protected]>
* @package TenQuality\Data\Model
* @version 1.0.2
*/
class Collection extends ArrayObject implements Arrayable, JSONable, Stringable
{
/**
* Returns collection sorted by specific attribute name.
* Only works with Models or arrays with string defined keys.
* @since 1.0.2
*
* @link http://php.net/manual/en/array.constants.php
*
* @param string $attribute Attribute to sort by.
* @param string $sortFlag Sort direction. Use PHP sort constants
*
* @return array (this for chaining)
*/
public function sortBy($attribute, $sortFlag = SORT_REGULAR)
{
$values = array();
for ($i = count( $this ) -1; $i >= 0; --$i) {
$values[] = $this[$i]->$attribute;
}
$values = array_unique($values);
sort($values, $sortFlag);
$new = new self();
foreach ($values as $value) {
for ($i = count($this) -1; $i >= 0; --$i) {
if ($value == $this[$i]->$attribute) {
$new[] = $this[$i];
}
}
}
return $new;
}
/**
* Returns collection grouped by an attribute's name.
* Only works with Models or arrays with string defined keys.
* @since 1.0.2
*
* @param string $attribute Attribute to group by.
*
* @return array (this for chaining)
*/
public function groupby($attribute)
{
$new = new self();
for ($i = 0; $i < count( $this ); ++$i) {
$key = (string)$this[$i]->$attribute;
if (!isset( $new[$key]))
$new[$key] = new self();
$new[$key][] = $this[$i];
}
return $new;
}
/**
* Returns collection as pure array.
* Does depth array casting.
* @since 1.0.2
*
* @return array
*/
public function __toArray()
{
$output = [];
$value = null;
foreach ($this as $key => $value) {
$output[$key] = !is_object($value)
? $value
: (method_exists($value, '__toArray')
? $value->__toArray()
: (array)$value
);
}
return $output;
}
/**
* Returns collection as pure array.
* Does depth array casting.
* @since 1.0.2
*
* @return array
*/
public function toArray()
{
return $this->__toArray();
}
/**
* Returns collection as a string.
* @since 1.0.2
*
* @param string
*/
public function __toString()
{
return json_encode($this->__toArray());
}
/**
* Returns object as JSON string.
* @since 1.0.2
*
* @link http://php.net/manual/en/function.json-encode.php
*
* @param int $options JSON encoding options. See @link.
* @param int $depth JSON encoding depth. See @link.
*
* @return string
*/
public function __toJSON($options = 0, $depth = 512)
{
return json_encode($this->__toArray(), $options, $depth);
}
/**
* Returns object as JSON string.
* @since 1.0.2
*
* @link http://php.net/manual/en/function.json-encode.php
*
* @param int $options JSON encoding options. See @link.
* @param int $depth JSON encoding depth. See @link.
*
* @return string
*/
public function toJSON($options = 0, $depth = 512)
{
return $this->__toJSON($options, $depth);
}
}
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