MDL-19270 - Quiz graph - Fix reverse display of Hebrew legend text in RTL mode

2014-07-06 18:51:11 +03:00
parent 92e7886965
commit 0057543e5e
2 changed files with 14 additions and 1 deletions
@@ -378,6 +378,18 @@ class core_text {
        }
    }

+    /**
+     * Reverse UTF-8 multibytes character sets (used for RTL languages)
+     * (We only do this because there is no mb_strrev or iconv_strrev)
+     *
+     * @param string $str the multibyte string to reverse
+     * @return string the reversed multi byte string
+     */
+    public static function strrev($str) {
+        preg_match_all('/./us', $str, $ar);
+        return join('', array_reverse($ar[0]));
+    }
+
    /**
     * Try to convert upper unicode characters to plain ascii,
     * the returned string may contain unconverted unicode characters.