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<?php |
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namespace Telegram\Bot\Helpers; |
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use Telegram\Bot\Exceptions\TelegramEmojiMapFileNotFoundException; |
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class Emojify |
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{ |
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/** |
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* The path to the file containing the emoji map. |
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* |
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* @var string |
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*/ |
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const EMOJI_MAP_FILE = '/../Storage/emoji.json'; |
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/** |
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* The array mapping words to emoji. |
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* |
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* @var array |
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*/ |
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protected $emojiMap; |
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/** |
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* The array mapping emoji back to words. |
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* |
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* @var [type] |
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*/ |
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protected $wordMap; |
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/** |
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* Emojify constructor. |
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* |
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* @param null $emojiMapFile |
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*/ |
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public function __construct($emojiMapFile = null) |
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{ |
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if (empty($emojiMapFile)) { |
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$emojiMapFile = __DIR__.self::EMOJI_MAP_FILE; |
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} |
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if (!file_exists($emojiMapFile)) { |
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throw new TelegramEmojiMapFileNotFoundException(); |
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} |
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$emojiMapFileContents = file_get_contents($emojiMapFile); |
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$this->emojiMap = (array)json_decode($emojiMapFileContents); |
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$this->wordMap = array_flip($this->emojiMap); |
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} |
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/** |
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* Translate Word to Emoji |
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* |
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* @param $text |
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* |
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* @return mixed |
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*/ |
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public function toEmoji($text) |
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{ |
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return $this->replace($text, $this->emojiMap); |
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} |
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/** |
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* Alias of toEmoji() |
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* |
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* @param $text |
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* |
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* @return mixed |
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*/ |
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public static function text($text) |
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{ |
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return (new static)->toEmoji($text); |
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} |
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/** |
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* Translate Emoji to Word |
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* |
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* @param $text |
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* |
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* @return mixed |
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*/ |
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public function toWord($text) |
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{ |
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return $this->replace($text, $this->wordMap, null); |
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} |
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/** |
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* Alias of toWord() |
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* |
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* @param $text |
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* |
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* @return mixed |
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*/ |
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public static function translate($text) |
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{ |
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return (new static)->toWord($text); |
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} |
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/** |
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* Replace |
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* |
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* @param $line |
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* @param $replace |
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* @param string $startDelimiter |
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* |
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* @return mixed |
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*/ |
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protected function replace($line, $replace, $startDelimiter = ':') |
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{ |
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uksort($replace, function ($a, $b) { |
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return strlen($b) - strlen($a); |
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}); |
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foreach ($replace as $key => $value) { |
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$line = str_replace($startDelimiter.$key, $value, $line); |
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} |
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return $line; |
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} |
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} |
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irazasyed /
telegram-bot-sdk
