reference/var/functions/isset.xml
8cdc6621f9826d04abc3e50438c010804d7e8683
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@@ -11,7 +11,7 @@
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<methodsynopsis>
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<type>bool</type><methodname>isset</methodname>
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<methodparam><type>mixed</type><parameter>var</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter>...</parameter></methodparam>
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<methodparam rep="repeat"><type>mixed</type><parameter>vars</parameter></methodparam>
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</methodsynopsis>
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<para>
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Determine if a variable is considered set,
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@@ -48,10 +48,10 @@
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>...</parameter></term>
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<term><parameter>vars</parameter></term>
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<listitem>
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<para>
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Another variable ...
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Further variables.
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</para>
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</listitem>
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</varlistentry>
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@@ -134,10 +134,6 @@ var_dump(isset($a['cake']['a']['b'])); // FALSE
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</para>
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<example>
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<title><function>isset</function> on String Offsets</title>
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<para>
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PHP 5.4 changes how <function>isset</function> behaves
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when passed string offsets.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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@@ -151,18 +147,7 @@ var_dump(isset($expected_array_got_string['0 Mostel']));
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?>
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]]>
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</programlisting>
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&example.outputs.53;
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<screen>
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<![CDATA[
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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bool(true)
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]]>
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</screen>
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&example.outputs.54;
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&example.outputs;
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<screen>
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<![CDATA[
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bool(false)
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