Seldaek/monolog · error · MissingExtensionException

The curl extension is needed to use the TelegramBotHandler

Error message

The curl extension is needed to use the TelegramBotHandler

What it means

Error "The curl extension is needed to use the TelegramBotHandler" thrown in Seldaek/monolog.

Source

Thrown at src/Monolog/Handler/TelegramBotHandler.php:122

     * @param  bool                      $splitLongMessages    Split a message longer than MAX_MESSAGE_LENGTH into parts and send in multiple messages
     * @param  bool                      $delayBetweenMessages Adds delay between sending a split message according to Telegram API
     * @param  int                       $topic                Telegram message thread id, unique identifier for the target message thread (topic) of the forum
     * @throws MissingExtensionException If the curl extension is missing
     */
    public function __construct(
        string $apiKey,
        string $channel,
        $level = Level::Debug,
        bool   $bubble = true,
        ?string $parseMode = null,
        ?bool   $disableWebPagePreview = null,
        ?bool   $disableNotification = null,
        bool   $splitLongMessages = false,
        bool   $delayBetweenMessages = false,
        ?int   $topic = null
    ) {
        if (!\extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is needed to use the TelegramBotHandler');
        }

        parent::__construct($level, $bubble);

        $this->apiKey = $apiKey;
        $this->channel = $channel;
        $this->setParseMode($parseMode);
        $this->disableWebPagePreview($disableWebPagePreview);
        $this->disableNotification($disableNotification);
        $this->splitLongMessages($splitLongMessages);
        $this->delayBetweenMessages($delayBetweenMessages);
        $this->setTopic($topic);
    }

    /**
     * @return $this
     */
    public function setParseMode(string|null $parseMode = null): self

View on GitHub (pinned to 57eb102834)

When it happens

Trigger: Thrown at src/Monolog/Handler/TelegramBotHandler.php:122 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Seldaek/monolog@57eb102834 (2026-08-17). Data as JSON: /api/errors/23ad66811ba3e8f4. Report an issue: GitHub.