+ * Copied from http://php.net/manual/en/function.str-replace.php#88569
+ * Modified for camel caps: renamed stro_replace -> strOrigReplace
+ *
+ * When using str_replace(...), values that did not exist in the original string (but were put there by previous
+ * replacements) will be replaced continuously. This string replacement function is designed to replace the values
+ * in $search with those in $replace while not factoring in prior replacements. Note that this function will
+ * always look for the longest possible match first and then work its way down to individual characters.
+ *
+ * @param array $search list of strings or characters that need to be replaced
+ * @param array $replace list of strings or characters that will replace the corresponding values in $search
+ * @param string $subject the string on which this operation is being performed
+ *
+ * @return string $subject with all substrings in the $search array replaced by the values in the $replace array
+ */
+ private static function strOrigReplace($search, $replace, $subject)
+ {
+ return strtr($subject, array_combine($search, $replace));
+ }
+
+ /**
+ * Replaces text emoticons with graphical images