<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="reflectionparameter.allowsnull" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ReflectionParameter::allowsNull</refname>
  <refpurpose>Checks if null is allowed</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>bool</type><methodname>ReflectionParameter::allowsNull</methodname>
   <void />
  </methodsynopsis>
  <para>
   Checks whether the parameter allows &null;.
  </para>

  &warn.undocumented.func;

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &true; if &null; is allowed, otherwise &false;
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>ReflectionParameter::isOptional</methodname></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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