Added documentation for the get_resource_id function

reference/var/functions/get-resource-id.xml

@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision$ -->
+<refentry xml:id="function.get-resource-id" xmlns="http://docbook.org/ns/docbook">
+ <refnamediv>
+  <refname>get_resource_id</refname>
+  <refpurpose>
+   Returns an integer identifier for the given resource
+  </refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis>
+   <type>string</type><methodname>get_resource_id</methodname>
+   <methodparam><type>resource</type><parameter>res</parameter></methodparam>
+  </methodsynopsis>
+  <para>
+   This function provides a type-safe way for generating the integer identifier
+   for a resource.
+  </para>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>res</parameter></term>
+     <listitem>
+      <para>
+       The evaluated resource handle.
+      </para>
+     </listitem>
+    </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   The <type>int</type> identifier for the given <parameter>res</parameter>.
+  </para>
+  <para>
+   This function is essentially an <type>int</type> cast of
+   <parameter>res</parameter> to make it easier to retrieve the resource ID.
+  </para>
+ </refsect1>
+
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <para>
+   <example>
+    <title><function>get_resource_id</function> example</title>
+    <programlisting role="php">
+<![CDATA[
+<?php
+$handle = fopen('./storage/logs/lumen.log', 'rt');
+
+echo (int) $handle . "\n\n";
+
+echo get_resource_id($handle);
+
+?>
+]]>
+    </programlisting>
+    &example.outputs;
+    <screen role="php">
+<![CDATA[
+698
+
+698
+]]>
+    </screen>
+   </example>
+  </para>
+ </refsect1>
+
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <para>
+   <simplelist>
+    <member><function>get_resource_type</function></member>
+   </simplelist>
+  </para>
+ </refsect1>
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->

reference/var/functions/get-resource-type.xml

@@ -41,11 +41,11 @@
   <para>
    If the given <parameter>handle</parameter> is a resource, this function
    will return a string representing its type. If the type is not identified
-   by this function, the return value will be the string 
+   by this function, the return value will be the string
    <literal>Unknown</literal>.
   </para>
   <para>
-   This function will return &null; and generate an error if 
+   This function will return &null; and generate an error if
    <parameter>handle</parameter> is not a <type>resource</type>.
   </para>
  </refsect1>
@@ -75,6 +75,15 @@ echo get_resource_type($doc->doc) . "\n";
    </example>
   </para>
  </refsect1>
+
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <para>
+   <simplelist>
+    <member><function>get_resource_id</function></member>
+   </simplelist>
+  </para>
+ </refsect1>
 </refentry>
 
 <!-- Keep this comment at the end of the file

reference/var/versions.xml

@@ -11,6 +11,7 @@
  <function name='empty' from='PHP 4, PHP 5, PHP 7'/>
  <function name='floatval' from='PHP 4 &gt;= 4.2.0, PHP 5, PHP 7'/>
  <function name='get_defined_vars' from='PHP 4 &gt;= 4.0.4, PHP 5, PHP 7'/>
+ <function name='get_resource_id' from='PHP 8'/>
  <function name='get_resource_type' from='PHP 4 &gt;= 4.0.2, PHP 5, PHP 7'/>
  <function name='gettype' from='PHP 4, PHP 5, PHP 7'/>
  <function name='intval' from='PHP 4, PHP 5, PHP 7'/>