xml: Remove xml_parser_free() from all examples (#4942)

reference/xml/examples.xml

@@ -45,7 +45,6 @@ while ($data = fread($fp, 4096)) {
                     xml_get_current_line_number($xml_parser)));
     }
 }
-xml_parser_free($xml_parser);
 ?>
 ]]>
     </programlisting>
@@ -111,7 +110,6 @@ while ($data = fread($fp, 4096)) {
                     xml_get_current_line_number($xml_parser)));
     }
 }
-xml_parser_free($xml_parser);
 ?>
 ]]>
     </programlisting>
@@ -214,11 +212,9 @@ function externalEntityRefHandler($parser, $openEntityNames, $base, $systemId,
                 printf("XML error: %s at line %d while parsing entity %s\n",
                        xml_error_string(xml_get_error_code($parser)),
                        xml_get_current_line_number($parser), $openEntityNames);
-                xml_parser_free($parser);
                 return false;
             }
         }
-        xml_parser_free($parser);
         return true;
     }
     return false;
@@ -260,7 +256,6 @@ while ($data = fread($fp, 4096)) {
 }
 echo "</pre>";
 echo "parse complete\n";
-xml_parser_free($xml_parser);
 
 ?>
 ]]>
@@ -425,4 +420,3 @@ vim600: syn=xml fen fdm=syntax fdl=2 si
 vim: et tw=78 syn=sgml
 vi: ts=1 sw=1
 -->
-

reference/xml/functions/xml-parse-into-struct.xml

@@ -105,7 +105,6 @@
 $simple = "<para><note>simple note</note></para>";
 $p = xml_parser_create();
 xml_parse_into_struct($p, $simple, $vals, $index);
-xml_parser_free($p);
 echo "Index array\n";
 print_r($index);
 echo "\nVals array\n";
@@ -229,7 +228,7 @@ function readDatabase($filename)
     xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
     xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
     xml_parse_into_struct($parser, $data, $values, $tags);
-    xml_parser_free($parser);
+    unset($parser);
 
     // loop through the structures
     foreach ($tags as $key=>$val) {

reference/xml/functions/xml-parse.xml

@@ -119,7 +119,6 @@ while (($data = fread($stream, 16384))) {
     xml_parse($parser, $data); // parse the current chunk
 }
 xml_parse($parser, '', true); // finalize parsing
-xml_parser_free($parser);
 fclose($stream);
 ]]>
    </programlisting>

reference/xml/functions/xml-parser-create-ns.xml

@@ -91,7 +91,6 @@
   <para>
    <simplelist>
     <member><function>xml_parser_create</function></member>
-    <member><function>xml_parser_free</function></member>
    </simplelist>
   </para>
  </refsect1>

reference/xml/functions/xml-parser-create.xml

@@ -83,7 +83,6 @@
   <para>
    <simplelist>
     <member><function>xml_parser_create_ns</function></member>
-    <member><function>xml_parser_free</function></member>
    </simplelist>
   </para>
  </refsect1>