diff options
-rw-r--r-- | system/helpers/url_helper.php | 19 | ||||
-rw-r--r-- | tests/codeigniter/helpers/url_helper_test.php | 11 |
2 files changed, 16 insertions, 14 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])); } } diff --git a/tests/codeigniter/helpers/url_helper_test.php b/tests/codeigniter/helpers/url_helper_test.php index 5fc364238..24823a634 100644 --- a/tests/codeigniter/helpers/url_helper_test.php +++ b/tests/codeigniter/helpers/url_helper_test.php @@ -48,11 +48,12 @@ class Url_helper_test extends CI_TestCase { public function test_auto_link_url() { $strings = array( - 'www.codeigniter.com test' => '<a href="http://www.codeigniter.com">http://www.codeigniter.com</a> test', + 'www.codeigniter.com test' => '<a href="http://www.codeigniter.com">www.codeigniter.com</a> test', 'This is my noreply@codeigniter.com test' => 'This is my noreply@codeigniter.com test', - '<br />www.google.com' => '<br /><a href="http://www.google.com">http://www.google.com</a>', - 'Download CodeIgniter at www.codeigniter.com. Period test.' => 'Download CodeIgniter at <a href="http://www.codeigniter.com">http://www.codeigniter.com</a>. Period test.', - 'Download CodeIgniter at www.codeigniter.com, comma test' => 'Download CodeIgniter at <a href="http://www.codeigniter.com">http://www.codeigniter.com</a>, comma test' + '<br />www.google.com' => '<br /><a href="http://www.google.com">www.google.com</a>', + 'Download CodeIgniter at www.codeigniter.com. Period test.' => 'Download CodeIgniter at <a href="http://www.codeigniter.com">www.codeigniter.com</a>. Period test.', + 'Download CodeIgniter at www.codeigniter.com, comma test' => 'Download CodeIgniter at <a href="http://www.codeigniter.com">www.codeigniter.com</a>, comma test', + 'This one: ://codeigniter.com must not break this one: http://codeigniter.com' => 'This one: <a href="://codeigniter.com">://codeigniter.com</a> must not break this one: <a href="http://codeigniter.com">http://codeigniter.com</a>' ); foreach ($strings as $in => $out) @@ -66,7 +67,7 @@ class Url_helper_test extends CI_TestCase { public function test_pull_675() { $strings = array( - '<br />www.google.com' => '<br /><a href="http://www.google.com">http://www.google.com</a>', + '<br />www.google.com' => '<br /><a href="http://www.google.com">www.google.com</a>', ); foreach ($strings as $in => $out) |