shm-put-var.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.shm-put-var" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>shm_put_var</refname>
  <refpurpose>Inserts or updates a variable in shared memory</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>shm_put_var</methodname>
   <methodparam><type>SysvSharedMemory</type><parameter>shm</parameter></methodparam>
   <methodparam><type>int</type><parameter>key</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>value</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>shm_put_var</function> inserts or updates the
   <parameter>value</parameter> with the given
   <parameter>key</parameter>.
  </para>
  <para>
   Warnings (<constant>E_WARNING</constant> level) will be issued if
   <parameter>shm</parameter> is not a valid SysV shared memory
   index or if there was not enough shared memory remaining to complete your
   request.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>shm</parameter></term>
     <listitem>
      <para>
       A shared memory segment obtained from <function>shm_attach</function>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>key</parameter></term>
     <listitem>
      <para>
       The variable key.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>value</parameter></term>
     <listitem>
      <para>
       The variable. All <link linkend="language.types">variable types</link>
       that <function>serialize</function> supports may be used: generally
       this means all types except for resources and some internal objects
       that cannot be serialized.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.0.0</entry>
       <entry>
        <parameter>shm</parameter> expects a <classname>SysvSharedMemory</classname>
        instance now; previously, a <type>resource</type> was expected.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>shm_get_var</function></member>
    <member><function>shm_has_var</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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