Added support for rgb values in color bbcodes (ipb4)

diff --git a/files/lib/system/exporter/IPB4xExporter.class.php b/files/lib/system/exporter/IPB4xExporter.class.php
index bf463cdb4b254ade3f64fa12c7bbab97ecf18c59..8dde9a764b7ac30462c66bab34d5bcf0b868ce08 100644 (file)
--- a/files/lib/system/exporter/IPB4xExporter.class.php
+++ b/files/lib/system/exporter/IPB4xExporter.class.php
@@ -1118,7 +1118,26 @@ class IPB4xExporter extends AbstractExporter {
                $string = str_ireplace('</u>', '[/u]', $string);
                
                // font color
-               $string = preg_replace('~<span style="color:\s*((?:#(?:[0-9a-f]{3}|[0-9a-f]{6})|[a-z]+));?">(.*?)</span>~is', '[color=\\1]\\2[/color]', $string);
+               $string = preg_replace_callback('~<span style="color:\s*([^";]+);?">(.*?)</span>~is', function($matches) {
+                       if (preg_match('~^rgb\((\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\)$~', $matches[1], $rgbMatches)) {
+                               $r = dechex($rgbMatches[1]);
+                               if (strlen($r) < 2) $r = '0' . $r;
+                               $g = dechex($rgbMatches[2]);
+                               if (strlen($g) < 2) $g = '0' . $g;
+                               $b = dechex($rgbMatches[3]);
+                               if (strlen($b) < 2) $b = '0'.$b;
+                               
+                               $color = '#' . $r . $g . $b;
+                       }
+                       else if (preg_match('~^(?:#(?:[0-9a-f]{3}|[0-9a-f]{6})|[a-z]+)$~', $matches[1])) {
+                               $color = $matches[1];
+                       }
+                       else {
+                               return $matches[0];
+                       }
+                       
+                       return '[color=' . $color . ']' . $matches[2] . '[/color]';
+               }, $string);
                
                // font size
                $string = preg_replace('~<span style="font-size:(\d+)px;">(.*?)</span>~is', '[size=\\1]\\2[/size]', $string);