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CHAPTER 8 SIMPLE API FOR XML (SAX) 271 1. Define functions to handle events. 2. Create the parser. 3. Set any parser options. 4. Register the handlers (the functions you defined to handle events) with the parser. 5. Begin parsing. 6. Perform error checking. 7. Free the parser. Listing 8-1 contains a small example of using this extension, following the previous steps. I have used comments in the application to indicate the different steps. Listing 8-1. Sample Application Using the xml Extension Hello World ‘; /* start element handler function */ function startElement($parser, $name, $attribs) { print “<$name"; foreach ($attribs AS $attName=>$attValue) { print ” $attName=”.’”‘.$attValue.’”‘; } print “>”; } /* end element handler function */ function endElement($parser, $name) { print ““; } /* cdata handler function */ function chandler($parser, $data) { print $data; } /* Create parser */ $xml_parser = xml_parser_create();

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