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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="phar.setalias" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>Phar::setAlias</refname>
<refpurpose>Set the alias for the Phar archive</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="Phar">
<modifier>public</modifier> <type>true</type><methodname>Phar::setAlias</methodname>
<methodparam><type>string</type><parameter>alias</parameter></methodparam>
</methodsynopsis>
&phar.write;
<para>
Set the alias for the Phar archive, and write it as the permanent alias
for this phar archive. An alias can be used internally to a phar archive to
ensure that use of the <literal>phar</literal> stream wrapper to access internal
files always works regardless of the location of the phar archive on the
filesystem. Another alternative is to rely upon Phar's interception of
<function>include</function> or to use <function>Phar::interceptFileFuncs</function>
and use relative paths.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>alias</parameter></term>
<listitem>
<para>
A shorthand string that this archive can be referred to in <literal>phar</literal>
stream wrapper access.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<simpara>
&return.true.always;
</simpara>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
Throws <classname>UnexpectedValueException</classname> when write access
is disabled, and <classname>PharException</classname> if the alias is
already in use or any problems were encountered flushing changes to disk.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.4.0</entry>
<entry>
<methodname>Phar::setAlias</methodname>
now has a tentative return of <type>true</type>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A <function>Phar::setAlias</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
try {
$phar = new Phar('myphar.phar');
$phar->setAlias('myp.phar');
} catch (Exception $e) {
// handle error
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>Phar::__construct</function></member>
<member><function>Phar::interceptFileFuncs</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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