1 files changed, 6 insertions, 1 deletions
diff --git a/php/src/Google/Protobuf/Internal/CodedInputStream.php b/php/src/Google/Protobuf/Internal/CodedInputStream.php
index 6131d5d1..b612da5b 100644
--- a/php/src/Google/Protobuf/Internal/CodedInputStream.php
+++ b/php/src/Google/Protobuf/Internal/CodedInputStream.php
@@ -78,13 +78,18 @@ class CodedInputStream
         return $this->buffer_end - $this->current;
     }
 
-    private function current()
+    public function current()
     {
         return $this->total_bytes_read -
             ($this->buffer_end - $this->current +
             $this->buffer_size_after_limit);
     }
 
+    public function substr($start, $end)
+    {
+        return substr($this->buffer, $start, $end - $start);
+    }
+
     private function recomputeBufferLimits()
     {
         $this->buffer_end += $this->buffer_size_after_limit;