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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.socket-addrinfo-lookup" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>socket_addrinfo_lookup</refname>
<refpurpose>Get array with contents of getaddrinfo about the given hostname</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>array</type><type>false</type></type><methodname>socket_addrinfo_lookup</methodname>
<methodparam><type>string</type><parameter>host</parameter></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>service</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type>array</type><parameter>hints</parameter><initializer>[]</initializer></methodparam>
</methodsynopsis>
<para>
Lookup different ways we can connect to <parameter>host</parameter>. The returned array contains
a set of <classname>AddressInfo</classname> instances that we can bind to using <function>socket_addrinfo_bind</function>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>host</parameter></term>
<listitem>
<para>
Hostname to search.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>service</parameter></term>
<listitem>
<para>
The service to connect to. If service is a numeric string, it designates the port.
Otherwise it designates a network service name, which is mapped to a port by the operating system.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>hints</parameter></term>
<listitem>
<para>
Hints provide criteria for selecting addresses returned. You may specify the
hints as defined by getaddrinfo.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an array of <classname>AddressInfo</classname> instances that can be used with
the <function>socket_addrinfo_<replaceable>*</replaceable></function> family of functions.
On failure, &false; is returned.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
On success, this function returns a array of <classname>AddressInfo</classname> instances now;
previously, an array of <type>resource</type>s was returned.
</entry>
</row>
<row>
<entry>8.0.0</entry>
<entry>
<parameter>service</parameter> is nullable now.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>socket_addrinfo_bind</function></member>
<member><function>socket_addrinfo_connect</function></member>
<member><function>socket_addrinfo_explain</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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