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Posted By

SFLWebDev on 06/08/11


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twitter


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Parse Twitter

 / Published in: PHP
 

URL: http://www.barattalo.it/2010/03/10/php-parse-url-mailto-and-also-twitters-usernames-and-arguments/

Text parsing for Twitter text attribute - segregating and styling output for link URLs, link mailtos, Twitter users (@ replies), Twitter arguments, and truncation for long URLs.

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  1. function parse_twitter($t) {
  2. 	// link URLs
  3. 	$t = " ".preg_replace( "/(([[:alnum:]]+:\/\/)|www\.)([^[:space:]]*)".
  4. 		"([[:alnum:]#?\/&=])/i", "<a href=\"\\1\\3\\4\" target=\"_blank\">".
  5. 		"\\1\\3\\4</a>", $t);
  6.  
  7. 	// link mailtos
  8. 	$t = preg_replace( "/(([a-z0-9_]|\\-|\\.)+@([^[:space:]]*)".
  9. 		"([[:alnum:]-]))/i", "<a href=\"mailto:\\1\">\\1</a>", $t);
  10.  
  11. 	//link twitter users
  12. 	$t = preg_replace( "/ +@([a-z0-9_]*) ?/i", " <a href=\"http://twitter.com/\\1\" target=\"_blank\">@\\1</a> ", $t);
  13.  
  14. 	//link twitter arguments
  15. 	$t = preg_replace( "/ +#([a-z0-9_]*) ?/i", " <a href=\"http://twitter.com/search?q=%23\\1\" target=\"_blank\">#\\1</a> ", $t);
  16.  
  17. 	// truncates long urls that can cause display problems (optional)
  18. 	$t = preg_replace("/>(([[:alnum:]]+:\/\/)|www\.)([^[:space:]]".
  19. 		"{30,40})([^[:space:]]*)([^[:space:]]{10,20})([[:alnum:]#?\/&=])".
  20. 		"</", ">\\3...\\5\\6<", $t);
  21. 	return trim($t);
  22. }

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