PHP XML Expat parser, how to handle

PHP XML Expat Parser
There are two basic types of XML parsers:

Tree-based parser: This parser transforms an XML document into a tree structure. It parses the entire document and provides an API to access the elements of the tree, such as the Document Object Model (DOM).

Event-based parser: treats an XML document as a series of events. When a specific event occurs, the parser invokes the function to process it.

The Expat parser is an event-based parser.


The XML Expat parser is part of the PHP core. These functions can be used without installation.


XML file:


George
John
Reminder
Don ' t forget the meeting!


Initialize the XML parser:
";
Break
Case ' to ':
echo "To:";
Break
Case ' from ':
echo "From:";
Break
Case "HEADING":
echo "Heading:";
Break
Case "BODY":
echo "Message:";
}
}

Function to use in the end of an element
function Stop ($parser, $element _name)
{
echo "
";
}

Function to use when finding character data
function char ($parser, $data)
{
Echo $data;
}

Specify element Handler
Xml_set_element_handler ($parser, "Start", "Stop");

Specify data handler
Xml_set_character_data_handler ($parser, "char");

Open XML File
$FP =fopen ("Test.xml", "R");

Read data
while ($data =fread ($fp, 4096))
{
Xml_parse ($parser, $data, feof ($fp)) or
Die (sprintf ("XML Error:%s @ line%d",
Xml_error_string (Xml_get_error_code ($parser)),
Xml_get_current_line_number ($parser)));
}

Free the XML parser
Xml_parser_free ($parser);

?>
------Solution--------------------
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