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@@ -3,7 +3,7 @@

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<refentry xml:id="function.defined" xmlns="http://docbook.org/ns/docbook">

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<refnamediv>

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<refname>defined</refname>

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-

<refpurpose>Checks whether a given named constant exists</refpurpose>

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+

<refpurpose>Checks whether a constant with the given name exists</refpurpose>

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</refnamediv>

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<refsect1 role="description">

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@@ -13,7 +13,8 @@

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<methodparam><type>string</type><parameter>constant_name</parameter></methodparam>

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</methodsynopsis>

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<para>

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-

Checks whether the given constant exists and is defined.

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+

Checks whether a constant with the given <parameter>constant_name</parameter>

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is defined.

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</para>

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<para>

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This function works also with <link

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