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<?php
declare(strict_types = 1);
namespace Gettext;
use JsonSerializable;
use IteratorAggregate;
use ArrayIterator;
use Countable;
/**
* Class to manage the references of a translation.
*/
class References implements JsonSerializable, Countable, IteratorAggregate
{
protected $references = [];
public function add(string $filename, ?int $line): self
$fileReferences = $this->references[$filename] ?? [];
if (isset($line) && !in_array($line, $fileReferences)) {
$fileReferences[] = $line;
}
$this->references[$filename] = $fileReferences;
return $this;
public function jsonSerialize()
return $this->toArray();
public function getIterator()
return new ArrayIterator($this->references);
public function count(): int
return array_reduce($this->references, function ($carry, $item) {
return $carry + (count($item) ?: 1);
}, 0);
public function toArray(): array
return $this->references;
oscarotero /
Gettext
