SerializedMessageIndex.php

<?php
declare( strict_types = 1 );
 
namespace MediaWiki\Extension\Translate\MessageLoading;
 
use MediaWiki\Extension\Translate\Utilities\Utilities;
 
class SerializedMessageIndex extends MessageIndexStore {
    private ?array $index = null;
    private const FILENAME = 'translate_messageindex.ser';
 
    public function retrieve( bool $readLatest = false ): array {
        if ( $this->index !== null ) {
            return $this->index;
        }
 
        $file = Utilities::cacheFile( self::FILENAME );
        if ( file_exists( $file ) ) {
            $this->index = unserialize( file_get_contents( $file ) );
        } else {
            $this->index = [];
        }
 
        return $this->index;
    }
 
    public function store( array $array, array $diff ): void {
        $file = Utilities::cacheFile( self::FILENAME );
        file_put_contents( $file, serialize( $array ) );
        $this->index = $array;
    }
}