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* 7.1: [String] Added a message about the moved Emoji docs [Emoji][String] Extract Emoji from String documentation
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| Working with Emojis | ||
| =================== | ||
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| .. versionadded:: 7.1 | ||
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| The emoji component was introduced in Symfony 7.1. | ||
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| Symfony provides several utilities to work with emoji characters and sequences | ||
| from the `Unicode CLDR dataset`_. They are available via the Emoji component, | ||
| which you must first install in your application: | ||
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| .. _installation: | ||
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| .. code-block:: terminal | ||
| $ composer require symfony/emoji | ||
| .. include:: /components/require_autoload.rst.inc | ||
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| The data needed to store the transliteration of all emojis (~5,000) into all | ||
| languages take a considerable disk space. | ||
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| If you need to save disk space (e.g. because you deploy to some service with tight | ||
| size constraints), run this command (e.g. as an automated script after ``composer install``) | ||
| to compress the internal Symfony emoji data files using the PHP ``zlib`` extension: | ||
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| .. code-block:: terminal | ||
| # adjust the path to the 'compress' binary based on your application installation | ||
| $ php ./vendor/symfony/emoji/Resources/bin/compress | ||
| .. _emoji-transliteration: | ||
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| Emoji Transliteration | ||
| --------------------- | ||
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| The ``EmojiTransliterator`` class offers a way to translate emojis into their | ||
| textual representation in all languages based on the `Unicode CLDR dataset`_:: | ||
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| use Symfony\Component\Emoji\EmojiTransliterator; | ||
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| // Describe emojis in English | ||
| $transliterator = EmojiTransliterator::create('en'); | ||
| $transliterator->transliterate('Menus with π or π'); | ||
| // => 'Menus with pizza or spaghetti' | ||
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| // Describe emojis in Ukrainian | ||
| $transliterator = EmojiTransliterator::create('uk'); | ||
| $transliterator->transliterate('Menus with π or π'); | ||
| // => 'Menus with ΠΏΡΡΠ° or ΡΠΏΠ°Π³Π΅ΡΡ' | ||
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| .. tip:: | ||
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| When using the :ref:`slugger <string-slugger>` from the String component, | ||
| you can combine it with the ``EmojiTransliterator`` to :ref:`slugify emojis <string-slugger-emoji>`. | ||
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| Transliterating Emoji Text Short Codes | ||
| -------------------------------------- | ||
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| Services like GitHub and Slack allows to include emojis in your messages using | ||
| text short codes (e.g. you can add the ``:+1:`` code to render the π emoji). | ||
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| Symfony also provides a feature to transliterate emojis into short codes and vice | ||
| versa. The short codes are slightly different on each service, so you must pass | ||
| the name of the service as an argument when creating the transliterator. | ||
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| GitHub Emoji Short Codes Transliteration | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
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| Convert emojis to GitHub short codes with the ``emoji-github`` locale:: | ||
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| $transliterator = EmojiTransliterator::create('emoji-github'); | ||
| $transliterator->transliterate('Teenage π’ really love π'); | ||
| // => 'Teenage :turtle: really love :pizza:' | ||
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| Convert GitHub short codes to emojis with the ``github-emoji`` locale:: | ||
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| $transliterator = EmojiTransliterator::create('github-emoji'); | ||
| $transliterator->transliterate('Teenage :turtle: really love :pizza:'); | ||
| // => 'Teenage π’ really love π' | ||
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| Gitlab Emoji Short Codes Transliteration | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
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| Convert emojis to Gitlab short codes with the ``emoji-gitlab`` locale:: | ||
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| $transliterator = EmojiTransliterator::create('emoji-gitlab'); | ||
| $transliterator->transliterate('Breakfast with π₯ or π₯'); | ||
| // => 'Breakfast with :kiwi: or :milk:' | ||
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| Convert Gitlab short codes to emojis with the ``gitlab-emoji`` locale:: | ||
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| $transliterator = EmojiTransliterator::create('gitlab-emoji'); | ||
| $transliterator->transliterate('Breakfast with :kiwi: or :milk:'); | ||
| // => 'Breakfast with π₯ or π₯' | ||
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| Slack Emoji Short Codes Transliteration | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
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| Convert emojis to Slack short codes with the ``emoji-slack`` locale:: | ||
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| $transliterator = EmojiTransliterator::create('emoji-slack'); | ||
| $transliterator->transliterate('Menus with π₯ or π§'); | ||
| // => 'Menus with :green_salad: or :falafel:' | ||
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| Convert Slack short codes to emojis with the ``slack-emoji`` locale:: | ||
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| $transliterator = EmojiTransliterator::create('slack-emoji'); | ||
| $transliterator->transliterate('Menus with :green_salad: or :falafel:'); | ||
| // => 'Menus with π₯ or π§' | ||
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| .. _text-emoji: | ||
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| Universal Emoji Short Codes Transliteration | ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
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| If you don't know which service was used to generate the short codes, you can use | ||
| the ``text-emoji`` locale, which combines all codes from all services:: | ||
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| $transliterator = EmojiTransliterator::create('text-emoji'); | ||
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| // Github short codes | ||
| $transliterator->transliterate('Breakfast with :kiwi-fruit: or :milk-glass:'); | ||
| // Gitlab short codes | ||
| $transliterator->transliterate('Breakfast with :kiwi: or :milk:'); | ||
| // Slack short codes | ||
| $transliterator->transliterate('Breakfast with :kiwifruit: or :glass-of-milk:'); | ||
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| // all the above examples produce the same result: | ||
| // => 'Breakfast with π₯ or π₯' | ||
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| You can convert emojis to short codes with the ``emoji-text`` locale:: | ||
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| $transliterator = EmojiTransliterator::create('emoji-text'); | ||
| $transliterator->transliterate('Breakfast with π₯ or π₯'); | ||
| // => 'Breakfast with :kiwifruit: or :milk-glass: | ||
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| Inverse Emoji Transliteration | ||
| ----------------------------- | ||
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| Given the textual representation of an emoji, you can reverse it back to get the | ||
| actual emoji thanks to the :ref:`emojify filter <reference-twig-filter-emojify>`: | ||
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| .. code-block:: twig | ||
| {{ 'I like :kiwi-fruit:'|emojify }} {# renders: I like π₯ #} | ||
| {{ 'I like :kiwi:'|emojify }} {# renders: I like π₯ #} | ||
| {{ 'I like :kiwifruit:'|emojify }} {# renders: I like π₯ #} | ||
| By default, ``emojify`` uses the :ref:`text catalog <text-emoji>`, which | ||
| merges the emoji text codes of all services. If you prefer, you can select a | ||
| specific catalog to use: | ||
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| .. code-block:: twig | ||
| {{ 'I :green-heart: this'|emojify }} {# renders: I π this #} | ||
| {{ ':green_salad: is nice'|emojify('slack') }} {# renders: π₯ is nice #} | ||
| {{ 'My :turtle: has no name yet'|emojify('github') }} {# renders: My π’ has no name yet #} | ||
| {{ ':kiwi: is a great fruit'|emojify('gitlab') }} {# renders: π₯ is a great fruit #} | ||
| Removing Emojis | ||
| --------------- | ||
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| The ``EmojiTransliterator`` can also be used to remove all emojis from a string, | ||
| via the special ``strip`` locale:: | ||
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| use Symfony\Component\Emoji\EmojiTransliterator; | ||
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| $transliterator = EmojiTransliterator::create('strip'); | ||
| $transliterator->transliterate('πHey!π₯³ πHappy Birthday!π'); | ||
| // => 'Hey! Happy Birthday!' | ||
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| .. _`Unicode CLDR dataset`: https://github.com/unicode-org/cldr |
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