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Last updated: Sat Dec 21 15:01:29 2024 UTC |
// data file $file = "library.xml"; // create a document object $dom = xmldocfile($file); Display Error Message Fatal error: Call to undefined function: xmldocfile() in d:\apache group\apache\htdocs\test\phpxml2.html on line 28 //-- source // data file - library.xml // success html - phpxml.html // fail html - phpxml2.html //---------------------------------------------------------- // data file - library.xml //---------------------------------------------------------- <?xml version="1.0"?> <library> <book> <title>Hannibal</title> <author>Thomas Harris</author> <genre>Suspense</genre> <pages>564</pages> <price>8.99</price> <rating>4</rating> </book> <book> <title>Run</title> <author>Douglas E. Winter</author> <genre>Thriller</genre> <pages>390</pages> <price>7.49</price> <rating>5</rating> </book> <book> <title>The Lord Of The Rings</title> <author>J. R. R. Tolkien</author> <genre>Fantasy</genre> <pages>3489</pages> <price>10.99</price> <rating>5</rating> </book> </library> //---------------------------------------------------------- // success html - phpxml.html //---------------------------------------------------------- <html> <head> <title>The Library</title> <style type="text/css"> TD {font-family: Arial; font-size: smaller} H2 {font-family: Arial} </style> </head> <body bgcolor="white"> <h2>The Library</h2> <table border="1" cellspacing="1" cellpadding="5"> <tr> <td align=center>Title</td> <td align=center>Author</td> <td align=center>Price</td> <td align=center>User Rating</td> </tr> <? // data file $file = "library.xml"; // use this to keep track of which tag the parser is currently processing $currentTag = ""; function startElement($parser, $name, $attrs) { global $currentTag; $currentTag = $name; // output opening HTML tags switch ($name) { case "BOOK": echo "<tr>"; break; case "TITLE": echo "<td>"; break; case "AUTHOR": echo "<td>"; break; case "PRICE": echo "<td>"; break; case "RATING": echo "<td>"; break; default: break; } } function endElement($parser, $name) { global $currentTag; // output closing HTML tags switch ($name) { case "BOOK": echo "</tr>"; break; case "TITLE": echo "</td>"; break; case "AUTHOR": echo "</td>"; break; case "PRICE": echo "</td>"; break; case "RATING": echo "</td>"; break; default: break; } // clear current tag variable $currentTag = ""; } // process data between tags function characterData($parser, $data) { global $currentTag; // text ratings $ratings = array("Words fail me!", "Terrible", "Bad", "Indifferent", "Good", "Excellent"); // format the data switch ($currentTag) { case "TITLE": // italics for title echo "<i>$data</i>"; break; case "AUTHOR": echo $data; break; case "PRICE": // add currency symbol for price echo "$" . $data; break; case "RATING": // get text rating echo $ratings[$data]; break; default: break; } } // initialize parser $xml_parser = xml_parser_create(); // set callback functions xml_set_element_handler($xml_parser, "startElement", "endElement"); xml_set_character_data_handler($xml_parser, "characterData"); // open XML file if (!($fp = fopen($file, "r"))) { die("Cannot locate XML data file: $file"); } // read and parse data while ($data = fread($fp, 4096)) { // error handler if (!xml_parse($xml_parser, $data, feof($fp))) { die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($xml_parser)), xml_get_current_line_number($xml_parser))); } } // clean up xml_parser_free($xml_parser); ?> </table> </body> </html> //---------------------------------------------------------- // fail html - phpxml2.html //---------------------------------------------------------- <html> <head> <title>The Library</title> <style type="text/css"> TD {font-family: Arial; font-size: smaller} H2 {font-family: Arial} </style> </head> <body bgcolor="white"> <h2>The Library</h2> <table border="1" cellspacing="1" cellpadding="5"> <tr> <td align=center>Title</td> <td align=center>Author</td> <td align=center>Price</td> <td align=center>User Rating</td> </tr> <? // text ratings $ratings = array("Words fail me!", "Terrible", "Bad", "Indifferent", "Good", "Excellent"); // data file $file = "library.xml"; // create a document object $dom = xmldocfile($file); // get reference to root node $root = $dom->root(); // array of root node's children - the <book> level $nodes = $root->children(); // iterate through <book>s for ($x=0; $x<sizeof($nodes); $x++) { // new row echo "<tr>"; // check type // this is to correct whitespace (empty nodes) if ($nodes[$x]->type == XML_ELEMENT_NODE) { $thisNode = $nodes[$x]; // get an array of this node's children - the <title>, <author> level $childNodes = $thisNode->children(); // iterate through children for($y=0; $y<sizeof($childNodes); $y++) { // check type again if ($childNodes[$y]->type == XML_ELEMENT_NODE) { // appropriate markup for each type of tag // like a switch statement if ($childNodes[$y]->name == "title") { echo "<td><i>" . $childNodes[$y]->content . "</i></td>"; } if ($childNodes[$y]->name == "author") { echo "<td>" . $childNodes[$y]->content . "</td>"; } if ($childNodes[$y]->name == "price") { echo "<td>$" . $childNodes[$y]->content . "</td>"; } if ($childNodes[$y]->name == "rating") { echo "<td>" . $ratings[$childNodes[$y]->content] . "</td>"; } } } } // close the row tags echo "</tr>"; } ?> </table> </body> </html>