From 33ffe2cb6263345aa17f296719e7261e5f351525 Mon Sep 17 00:00:00 2001
From: s_falahati <s_falahati@hotmail.com>
Date: Wed, 1 Nov 2017 21:18:09 +0330
Subject: [PATCH] removeFrame method now ignores the request if the calculated
 expected frames to remove is equal to zero

---
 src/MpegAudio.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/MpegAudio.php b/src/MpegAudio.php
index c302f17..ec5ff42 100644
--- a/src/MpegAudio.php
+++ b/src/MpegAudio.php
@@ -398,7 +398,9 @@ public function removeFrame($index, $count = 1) {
 				return $this;
 			}
 			$count = min($this->getFrameCounts() - $index, $count);
-
+			if ($count == 0) {
+				return $this;
+			}
 			$firstFrameHeader = $this->getFrameHeader($index);
 			$lastFrameHeader = $this->getFrameHeader($index + ($count - 1));
 			$this->slice(($lastFrameHeader->getOffset() + $lastFrameHeader->getLength()) - $firstFrameHeader->getOffset(), $firstFrameHeader->getOffset());