Re: Why does simpleXML give me nested objects for blank tags?

On Mon, Jun 22, 2009 at 2:13 PM, Daevid Vincent <daevid@daevid.com> wrote: > Repost as I got zero replies. Does anyone know why this is? Seems like a > bug > to me, or at least should be documented as such whacky behavior. Are there > any solutions to this or work-arounds? > > -----Original Message----- > From: Daevid Vincent [mailto:daevid@daevid.com] > Sent: Thursday, June 18, 2009 6:04 PM > > I'm trying to use > http://us2.php.net/manual/en/function.simplexml-load-string.php > > $xml_url = > > file_get_contents('http://myserver/cgi-bin/foo.cgi?request=c901c906e4d06a0 > ') > ; > try > { > $xml = simplexml_load_string($xml_url, 'SimpleXMLElement', > LIBXML_NOBLANKS & LIBXML_COMPACT & > LIBXML_NOEMPTYTAG); > print_r( $xml); > } > catch (Exception $e) > { > echo "bad xml"; > } > > If I have this XML file (note the tags I marked with --> below): > > <issue> > <crstatus>i_field_submitted</crstatus> > <problem_number>151827</problem_number> > <problem_synopsis_field>title</problem_synopsis_field> > <problem_description_field>description2</problem_description_field> > <fi_priority>High</fi_priority> > --> <assignee/> > <create_time>5/12/2009 22:53:10</create_time> > --> <fi_notes_oem/> > <fi_sw_part_name>sw_part_name</fi_sw_part_name> > <fi_general_reference>general_reference</fi_general_reference> > <fi_sw_part_number>sw_part_num</fi_sw_part_number> > <fi_customer_ecd_date>1244703600</fi_customer_ecd_date> > <fi_sw_part_version>sw_part_version</fi_sw_part_version> > <fi_required_date>1243839600</fi_required_date> > --> <ac_type/> > </issue> > > Why does it give me sub-objects and not just empty strings for tags that > have no values as I'd expect??! first off, why does it matter. second, i dont think its a bug, thats just how it works, php > $a = simplexml_load_string('<blah/>'); php > var_dump($a); object(SimpleXMLElement)#1 (0) { } > I tried all those options above and none of them make a difference. > > SimpleXMLElement Object > ( > [crstatus] => i_field_submitted > [problem_number] => 151827 > [problem_synopsis_field] => title > [problem_description_field] => description2 > [fi_priority] => High > --> [assignee] => SimpleXMLElement Object > ( > > ) > > --> [fi_notes_oem] => SimpleXMLElement Object > ( > > ) > > [fi_sw_part_name] => sw_part_name > [fi_general_reference] => general_reference > [fi_sw_part_number] => sw_part_num > [fi_customer_ecd_date] => 1244703600 > [fi_sw_part_version] => sw_part_version > [fi_required_date] => 1243839600 > --> [ac_type] => SimpleXMLElement Object > ( > > ) > > ) third the documentation says var_dump() / print_r() are not supported, so i wouldnt put much stock in the dump of the object above. from the manual: http://us2.php.net/manual/en/function.simplexml-element-attributes.php "*Note*: SimpleXML has made a rule of adding iterative properties to most methods. They cannot be viewed using var_dump()<http://us2.php.net/manual/en/function.var-dump.php>or anything else which can examine objects." -nathan