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document that imagecolortransparent() returns -1 if there's no current transparent color, and a new one is not specified

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@325917 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Joey Smith 2012-05-31 22:09:49 +00:00
parent 9f7b2b18ec
commit 7ae6fd70d4
1 changed files with 3 additions and 1 deletions
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4
reference/image/functions/imagecolortransparent.xml
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@ -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">