RedisPubSubFeedEngine.php

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<?php
class RedisPubSubFeedEngine extends FormattedRCFeed {
 
    public function send( array $feed, $line ) {
        $parsed = wfParseUrl( $feed['uri'] );
        $server = $parsed['host'];
        $options = [ 'serializer' => 'none' ];
        $channel = 'rc';
 
        if ( isset( $parsed['port'] ) ) {
            $server .= ":{$parsed['port']}";
        }
        if ( isset( $parsed['query'] ) ) {
            parse_str( $parsed['query'], $options );
        }
        if ( isset( $parsed['pass'] ) ) {
            $options['password'] = $parsed['pass'];
        }
        if ( isset( $parsed['path'] ) ) {
            $channel = str_replace( '/', '.', ltrim( $parsed['path'], '/' ) );
        }
        $pool = RedisConnectionPool::singleton( $options );
        $conn = $pool->getConnection( $server );
        if ( $conn !== false ) {
            $conn->publish( $channel, $line );
            return true;
        }
 
        return false;
    }
}