php-doc-en/reference/posix/functions/posix-getgrnam.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.posix-getgrnam" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>posix_getgrnam</refname>
  <refpurpose>Return info about a group by name</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type><methodname>posix_getgrnam</methodname>
   <methodparam><type>string</type><parameter>name</parameter></methodparam>
  </methodsynopsis>
  <para>
   Gets information about a group provided its name. 
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>name</parameter></term>
     <listitem>
      <para>The name of the group</para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns an <type>array</type> on success, &return.falseforfailure;.
   The array elements returned are:
   <table>
    <title>The group information array</title>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>Element</entry>
       <entry>Description</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>name</entry>
       <entry>
        The name element contains the name of the group. This is
        a short, usually less than 16 character "handle" of the
        group, not the real, full name.  This should be the same as
        the <parameter>name</parameter> parameter used when
        calling the function, and hence redundant.
       </entry>
      </row>
      <row>
       <entry>passwd</entry>
       <entry>
        The passwd element contains the group's password in an
        encrypted format. Often, for example on a system employing
        "shadow" passwords, an asterisk is returned instead.
       </entry>
      </row>
      <row>
       <entry>gid</entry>
       <entry>
        Group ID of the group in numeric form.
       </entry>
      </row>
      <row>
       <entry>members</entry>
       <entry>
        This consists of an <type>array</type> of
        <type>string</type>'s for all the members in the group.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </table>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Example use of <function>posix_getgrnam</function></title>
    <programlisting role="php">
<![CDATA[
<?php

$groupinfo = posix_getgrnam("toons");

print_r($groupinfo);
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Array
(
    [name]    => toons
    [passwd]  => x
    [members] => Array
        (
            [0] => tom
            [1] => jerry
        )
    [gid]     => 42
)
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>posix_getegid</function></member>
    <member><function>posix_getgrgid</function></member>
    <member><function>filegroup</function></member>
    <member><function>stat</function></member>
    <member><link linkend="ini.safe-mode-gid">safe_mode_gid</link></member>
    <member>POSIX man page GETGRNAM(3)</member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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