mirror of
https://github.com/danog/telegram-entities.git
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109 lines
4.0 KiB
Markdown
109 lines
4.0 KiB
Markdown
# telegram-entities
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[](https://codecov.io/gh/danog/telegram-entities)
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[](https://shepherd.dev/github/danog/telegram-entities)
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[](https://shepherd.dev/github/danog/telegram-entities)
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A library to work with Telegram UTF-16 styled text entities, created by Daniil Gentili (https://daniil.it).
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This library can be used to modify entities returned by the Telegram Bot API, convert entities to HTML or even locally generate them using a custom MarkdownV2 and HTML parser inside of the library.
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This library was initially created for [MadelineProto](https://docs.madelineproto.xyz), an async PHP client API for the telegram MTProto protocol.
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## Installation
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```bash
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composer require danog/telegram-entities
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```
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## Usage
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```php
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<?php declare(strict_types=1);
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use Amp\Http\Client\HttpClientBuilder;
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use Amp\Http\Client\Request;
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use danog\TelegramEntities\Entities;
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use danog\TelegramEntities\EntityTools;
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require __DIR__.'/../vendor/autoload.php';
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$token = getenv('TOKEN');
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if (!$token) {
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throw new AssertionError("A TOKEN environment variable must be specified!");
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}
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$dest = getenv('DEST');
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if (!$dest) {
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throw new AssertionError("A DEST environment variable must be specified!");
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}
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$client = HttpClientBuilder::buildDefault();
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$sm = function (string $message, string $parse_mode = '', array $entities = []) use ($token, $dest, $client): array {
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$res = $client->request(new Request("https://api.telegram.org/bot$token/sendMessage?".http_build_query([
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'text' => $message,
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'parse_mode' => $parse_mode,
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'entities' => json_encode($entities),
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'chat_id' => $dest
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])));
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return json_decode($res->getBody()->buffer(), true)['result'];
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};
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$result = $sm("*This is a ❤️ test*", parse_mode: "MarkdownV2");
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// Convert a message+entities back to HTML
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$entities = new Entities($result['text'], $result['entities']);
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var_dump($entities->toHTML()); // <b>This is a ❤️ test</b>
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// Modify $entities as needed
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$entities->message = "A message with ❤️ emojis";
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// EntityTools::mb* methods compute the length in UTF-16 code units, as required by the bot API.
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$entities->entities[0]['length'] = EntityTools::mbStrlen($entities->message);
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// then resend:
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$sm($entities->message, entities: $entities->entities);
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// Convert HTML to an array of entities locally
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$entities = Entities::fromHtml("<b>This is <i>a ❤️ nested</i> test</b>");
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$sm($entities->message, entities: $entities->entities);
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// Convert markdown to an array of entities locally
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$entities = Entities::fromMarkdown("*This is _a ❤️ nested_ test*");
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$sm($entities->message, entities: $entities->entities);
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// Escape text using utility methods
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$generic = EntityTools::markdownEscape("Automatically escaped to prevent *markdown injection*!");
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$link = EntityTools::markdownUrlEscape("https://google.com");
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$code = EntityTools::markdownCodeEscape("test with autoescaped ` test");
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$codeBlock = EntityTools::markdownCodeblockEscape("<?php echo 'test with autoescaped ``` test';");
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$entities = Entities::fromMarkdown("This is _a ❤️ [nested]($link)_ `$code`
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```php
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$codeBlock
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```
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$generic
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");
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$sm($entities->message, entities: $entities->entities);
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// Escape text for the HTML parser!
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$generic = EntityTools::htmlEscape("Automatically escaped to prevent <b>HTML injection</b>!");
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$entities = Entities::fromHtml($generic);
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$sm($entities->message, entities: $entities->entities);
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// See https://github.com/danog/telegram-entities for the full list of available methods!
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```
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Many more methods are available, see the [API documentation](https://github.com/danog/telegram-entities/blob/master/docs/docs/index.md) for the full list!
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## API Documentation
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Click [here »](https://github.com/danog/telegram-entities/blob/master/docs/docs/index.md) to view the API documentation.
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