Convert ticket IDs (Redmine => GitHub)

gistfile1.php

<?php

  $arrMap = array(1=>17, 34=>98);

	$strBody = '
	Nina Gerling said On Thu, Dec 30. 2010
	I\'d recomment using the headline like I recommended in ticket #326:
	my comment on this, also watch out on #34
';

	$strBody = preg_replace_callback('/#([0-9]+)/', 'replaceTickets', $strBody);
	
	function replaceTickets($matches)
	{
		global $arrMap;
		
		if (isset($arrMap[$matches[1]]))
		{
			return '#'.$arrMap[$matches[1]];
		}
		else
		{
			return 'http://www.contao-forge.org/issues/'.$matches[1];
		}
	}
	
	var_dump($strBody);
?>