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<?php |
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namespace DanySpin97\PhpBotFramework; |
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/** |
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* \class Text |
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* \brief Contains text helper methods |
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*/ |
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class Text { |
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/** |
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* \addtogroup Utility-methods Utility methods |
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* \brief Helper methods. |
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* @{ |
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*/ |
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/** |
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* \brief Get hashtag contained in a string. |
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* \details Check hashtags in a string using regex. |
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* All valid hashtags will be returned in an array. |
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* [Credis to trante](http://stackoverflow.com/questions/3060601/retrieve-all-hashtags-from-a-tweet-in-a-php-function). |
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* @param $string The string to check for hashtags. |
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* @return An array of valid hashtags, can be empty. |
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*/ |
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public static function getHashtags(string $string) : array { |
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// Use regex to check |
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if (preg_match_all("/(#\w+)/u", $string, $matches) != 0) { |
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$hashtagsArray = array_count_values($matches[0]); |
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$hashtags = array_keys($hashtagsArray); |
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} |
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// Return an array of hashtags |
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return $hashtags ?? []; |
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} |
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/** |
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* \brief Remove html formattation from telegram usernames in string. |
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* \details Remove the $modificator html formattation from a message containing telegram username, to let the user click them. |
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* @param $string to parse. |
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* @param $tag Formattation tag to remove. |
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* @return The string, modified if there are usernames. Otherwise $string. |
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*/ |
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public static function removeUsernameFormattation(string $string, string $tag) : string { |
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// Check if there are usernames in string using regex |
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if (preg_match_all('/(@\w+)/u', $string, $matches) != 0) { |
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$usernamesArray = array_count_values($matches[0]); |
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$usernames = array_keys($usernamesArray); |
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// Count how many username we've got |
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$count = count($usernames); |
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// Delimitator to make the formattation start |
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$delimitator_start = '<' . $tag . '>'; |
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// and to make it end |
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$delimitator_end = '</' . $tag . '>'; |
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// For each username |
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for ($i = 0; $i !== $count; $i++) { |
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// Put the Delimitator_end before the username and the start one after it |
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$string = str_replace($usernames[$i], $delimitator_end . $usernames[$i] . $delimitator_start, $string); |
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} |
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} |
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// Return the string, modified or not |
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return $string; |
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} |
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} |
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DanySpin97 /
PhpBotFramework
