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Multiple parameters (bug #43334)
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@246588 c90b9560-bf6c-de11-be94-00142212c4b1
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.18 $ -->
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<!-- $Revision: 1.19 $ -->
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<refentry xml:id="function.isset" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>isset</refname>
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@ -23,6 +23,11 @@
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variable that has been set to &null;. Also note that a &null; byte
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(<literal>"\0"</literal>) is not equivalent to the PHP &null; constant.
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</para>
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<para>
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If multiple parameters are supplied then <function>isset</function> will
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return &true; only if all of the parameters are set. Evaluation goes from
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left to right and stop as soon as a set variable is encountered.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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