Parsing a Processing Instruction

Parsing an processing instruction in php

Code:

<?php
     function pi_handler ($p, $target, $data) {
        print ($target);
        print ($data);
     }

     $xml = "<?exec ls -l /var?><rootElement/>";
     $p = xml_parser_create ();
     xml_set_processing_instruction_handler ($p, 'pi_handler');
     if (!xml_parse ($p, $xml, true))
          die (sprintf ("Parse error in <code>%s</code> (%s)",
                        htmlspecialchars ($xml),
                        xml_error_string (xml_get_error_code ($p))));
     else
          print ("XML processing complete.\n");
     xml_parser_free ($p);
?>

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M. S. Rakha, Ph.D.
Queen's University
Canada

Author: DrRakha
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