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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.hash-copy" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>hash_copy</refname>
<refpurpose>Copy hashing context</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>HashContext</type><methodname>hash_copy</methodname>
<methodparam><type>HashContext</type><parameter>context</parameter></methodparam>
</methodsynopsis>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>context</parameter></term>
<listitem>
<para>
Hashing context returned by <function>hash_init</function>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a copy of Hashing Context.
</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>7.2.0</entry>
<entry>
Accept and return <classname>HashContext</classname> instead of resource.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>hash_copy</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$context = hash_init("sha256");
hash_update($context, "The quick brown fox ");
/* copy context to be able to continue using it */
$copy_context = hash_copy($context);
echo hash_final($context), "\n";
hash_update($copy_context, "jumped over the lazy dog.");
echo hash_final($copy_context), "\n";
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
b29d66e56ed90cce9b0165c43fedec612b60a071974d8be4513e18580d55b5bd
68b1282b91de2c054c36629cb8dd447f12f096d3e3c587978dc2248444633483
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
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sgml-parent-document:nil
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-->
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