diff options
Diffstat (limited to 'system/helpers/url_helper.php')
| -rw-r--r-- | system/helpers/url_helper.php | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php index a6536cf81..d0fab3fe0 100644 --- a/system/helpers/url_helper.php +++ b/system/helpers/url_helper.php @@ -384,22 +384,23 @@ if ( ! function_exists('auto_link')) function auto_link($str, $type = 'both', $popup = FALSE) { // Find and replace any URLs. - if ($type !== 'email' && preg_match_all('#\b(([\w-]+://?|www\.)[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/)))#', $str, $matches, PREG_OFFSET_CAPTURE)) + if ($type !== 'email' && preg_match_all('#(\w*://|www\.)[^\s()<>;]+\w#i', $str, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) { // Set our target HTML if using popup links. - $target = ($popup) ? 'target="_blank"' : ''; + $target = ($popup) ? ' target="_blank"' : ''; // We process the links in reverse order (last -> first) so that // the returned string offsets from preg_match_all() are not // moved as we add more HTML. - foreach (array_reverse($matches[0]) as $match) + foreach (array_reverse($matches) as $match) { - // $match is an array generated by the PREG_OFFSET_CAPTURE flag. - // $match[0] is the matched string, $match[1] is the string offset. - - $anchor = anchor($match[0], '', $target); - - $str = substr_replace($str, $anchor, $match[1], strlen($match[0])); + // $match[0] is the matched string/link + // $match[1] is either a protocol prefix or 'www.' + // + // With PREG_OFFSET_CAPTURE, both of the above is an array, + // where the actual value is held in [0] and its offset at the [1] index. + $a = '<a href="'.(strpos($match[1][0], '/') ? '' : 'http://').$match[0][0].'"'.$target.'>'.$match[0][0].'</a>'; + $str = substr_replace($str, $a, $match[0][1], strlen($match[0][0])); } } |