- Fix warning when properties array is empty

alecpl

2012-02-29 38dc510b2dba02dba5a60fbc00947aac4fd24aab

 program/include/rcube_string_replacer.php

@@ -6,7 +6,10 @@
 |                                                                       |
 | This file is part of the Roundcube Webmail client                     |
 | Copyright (C) 2009, The Roundcube Dev Team                            |
 | Licensed under the GNU GPL                                            |
 |                                                                       |
 | Licensed under the GNU General Public License version 3 or            |
 | any later version with exceptions for skins & plugins.                |
 | See the README file for a full license statement.                     |
 |                                                                       |
 | PURPOSE:                                                              |
 |   Handle string replacements based on preg_replace_callback           |
@@ -37,9 +40,9 @@
  {
    // Simplified domain expression for UTF8 characters handling
    // Support unicode/punycode in top-level domain part
    $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.([^\\x00-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-z0-9]{2,})';
    $url1 = '.:;';
    $url2 = 'a-z0-9%=#@+?&\\/_~\\[\\]-';
    $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.([^\\x00-\\x2f\\x3b-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-z0-9]{2,})';
    $url1 = '.:;,';
    $url2 = 'a-z0-9%=#@+?!&\\/_~\\[\\]{}-';

    $this->link_pattern = "/([\w]+:\/\/|\Wwww\.)($utf_domain([$url1]?[$url2]+)*)/i";
    $this->mailto_pattern = "/("