Removed duplicate code to generate uuids.

includes/utilities.inc

@@ -765,62 +765,3 @@ function islandora_get_content_models($ignore_system_namespace = TRUE) {
   return $content_models;
 }
 
-/**
- * This method will return a valid UUID based on V4 methods.
- *
- * @return string
- *   A valid V4 UUID.
- */
-function get_uuid() {
-  $bytes = openssl_random_pseudo_bytes(2);
-  $add_mask = convert_hex_to_bin('4000');
-  $negate_mask = convert_hex_to_bin('C000');
-  // Make start with 11.
-  $manipulated_bytes = $bytes | $negate_mask;
-  // Make start with 01.
-  $manipulated_bytes = $manipulated_bytes ^ $add_mask;
-  $hex_string_10 = bin2hex($manipulated_bytes);
-
-  return sprintf('%08s-%04s-4%03s-%s-%012s',
-      bin2hex(openssl_random_pseudo_bytes(4)),
-      bin2hex(openssl_random_pseudo_bytes(2)),
-      // Four most significant bits holds version number 4.
-      substr(bin2hex(openssl_random_pseudo_bytes(2)), 1),
-      // Two most significant bits holds zero and one for variant DCE1.1
-      $hex_string_10,
-      bin2hex(openssl_random_pseudo_bytes(6))
-  );
-}
-
-/**
- * Will convert a hexadecimal string into a representative byte string.
- *
- * @note
- *   This method can be eliminated in PHP >= 5.4.
- *   http://php.net/manual/en/function.hex2bin.php#110973
- *
- * @param string $hex
- *   A string representation of a hexadecimal number.
- *
- * @return string
- *   A byte string holding the bits indicated by the hex string.
- */
-function convert_hex_to_bin($hex) {
-  $length_of_hex = strlen($hex);
-  $byte_string = "";
-  $byte_counter = 0;
-  while ($byte_counter < $length_of_hex) {
-    $current_hex_byte = substr($hex, $byte_counter, 2);
-    $current_binary_byte = pack("H*", $current_hex_byte);
-
-    if ($byte_counter == 0) {
-      $byte_string = $current_binary_byte;
-    }
-    else {
-      $byte_string .= $current_binary_byte;
-    }
-    $byte_counter += 2;
-  }
-
-  return $byte_string;
-}