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SortedDictionary.php
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53 lines (46 loc) · 986 Bytes
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<?php
namespace Equip\Structure;
class SortedDictionary extends Dictionary
{
public function withValues(array $values)
{
return $this->sortChanged(
parent::withValues($values)
);
}
public function withValue($key, $value)
{
return $this->sortChanged(
parent::withValue($key, $value)
);
}
public function withoutValue($key)
{
return $this->sortChanged(
parent::withoutValue($key)
);
}
/**
* Sorts values, respecting keys.
*
* @return void
*/
protected function sortValues()
{
asort($this->values);
}
/**
* Sorts the dictionary if it is not the same.
*
* @param SortedDictionary $copy
*
* @return SortedDictionary
*/
private function sortChanged(SortedDictionary $copy)
{
if ($copy !== $this) {
$copy->sortValues();
}
return $copy;
}
}