From 7ae6fd70d4f8cbeacdda2facaed0b176381c5aa2 Mon Sep 17 00:00:00 2001
From: Joey Smith <joey@php.net>
Date: Thu, 31 May 2012 22:09:49 +0000
Subject: [PATCH] document that imagecolortransparent() returns -1 if there's
 no current transparent color, and a new one is not specified

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@325917 c90b9560-bf6c-de11-be94-00142212c4b1
---
 reference/image/functions/imagecolortransparent.xml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/reference/image/functions/imagecolortransparent.xml b/reference/image/functions/imagecolortransparent.xml
index 3c94004684..881f38e216 100644
--- a/reference/image/functions/imagecolortransparent.xml
+++ b/reference/image/functions/imagecolortransparent.xml
@@ -37,7 +37,9 @@
   &reftitle.returnvalues;
   <para>
    The identifier of the new (or current, if none is specified)
-   transparent color is returned.
+   transparent color is returned. If <parameter>color</parameter>
+   is not specified, and the image has no transparent color, the
+   returned identifier will be -1.
   </para>
  </refsect1>
  <refsect1 role="examples">