+
+/**
+ * Counts 8bit bytes in string
+ * @param string $string tested string
+ * @return integer number of 8bit bytes
+ */
+function sq_count8bit($string) {
+ $count=0;
+ for ($i=0; $i<strlen($string); $i++) {
+ if (ord($string[$i]) > 127) $count++;
+ }
+ return $count;
+}