Generating Tables from XML

From CodeCodex

 
<contact id="43956">
     <personal>
          <name>
               <first>J</first>
               <middle>J</middle>
               <last>J</last>
          </name>
          <title>Manager</title>
          <employer>National</employer>
          <dob>1971-12-22</dob>
     </personal>
</contact>
 
<html>
<head>
<title>Parsing With Expat and PHP</title>
</head>
<body>
<?php
     $cdata = '';
     $cur_elem = '';
     $first_name = '';
     $middle_name = '';
     $last_name = '';
   
     $hdr_row   = '<tr><td colspan="2">%s</td></tr>' . "\n";
     $data_row  = '<tr><td >%s</td><td>%s</td></tr>' . "\n";
     $empty_row = '<tr><td colspan="2"> </td></tr>' . "\n";
   
     function start_elem ($parser, $name, $attrs) {
          global $cur_elem;
          $cur_elem = $name;
          if ($name == 'contact')
               print ("<table cellspacing=0>\n");
     }
     function end_elem ($parser, $name) {
          global $cdata, $cur_elem, $hdr_row, $data_row, $empty_row,
                 $first_name, $last_name, $middle_name;
          $cdata = trim ($cdata);
          switch ($name)
          {
               case ("contact"):
                    print ("</table>\n"); break;
               case ("personal"):
               case ("address"):
               case ("tel"):
                    print ($empty_row); break;
               case ("name"):
                    printf ($hdr_row,
                           "$last_name, $first_name $middle_name");
                    $first_name = $last_name = $middle_name = ''; break;
               case ("title"):
                    printf ($data_row, "Title", $cdata); break;
               case ("employer"):
                    printf ($data_row, "Company", $cdata); break;
               case ("dob"):
                    printf ($data_row, "Birthdate", $cdata); break;
          }
          $cdata = '';
     }
     function cdata ($parser, $data) {
          global $cdata, $cur_elem, $last_name, $first_name, $middle_name;
          $data = trim ($data);
          switch ($cur_elem)
          {
               case ("first"):
                    $first_name .= $data; break;
               case ("middle"):
                    $middle_name .= $data; break;
               case ("last"):
                    $last_name .= $data; break;
               default:
                    $cdata .= $data;
          }
     }
     $file = "contact.xml";
     $parser = xml_parser_create ();
     xml_parser_set_option ($parser, XML_OPTION_CASE_FOLDING, false);
     xml_set_element_handler ($parser, "start_elem", "end_elem");
     xml_set_character_data_handler ($parser, "cdata");
     $fp = fopen ($file, "r");

     if (!$fp){
          die ("Couldn't open $file for reading");
     }
     while ($xml_input = fread ($fp, 2048)) {
          $ok = xml_parse ($parser, $xml_input, feof ($fp));
          if (!$ok){
               die (sprintf ("Error in $file: '%s' at line %d",
                             xml_error_string (xml_get_error_code ($parser)),
                             xml_get_current_line_number ($parser)));
          }
     }
     xml_parser_free ($parser);
?>
</body>
</html>