PHP xml_set_default_handler() function
Definition and Usage
The xml_set_default_handler() function establishes a default data handler for the XML parser.
This function specifies the function to be called whenever the parser finds data in the XML file.
If the handler is successfully established, this function will return true; otherwise, it will return false.
Syntax
xml_set_default_handler(parser,handler)
| Parameter | Description |
|---|---|
| parser | Required. Specifies the XML parser to be used. |
| handler | Required. Specifies the function used as the event handler. |
By handler The function specified by the parameter must have three parameters:
| Parameter | Description |
|---|---|
| parser | Required. Specifies a variable that contains the XML parser used to call the handler. |
| data | Required. Specifies the variable that contains the data. |
Description
handler The parameter can also be an array containing object references and method names.
Example
XML File:
<?xml version="1.0" encoding="ISO-8859-1"?> <note> <to>George</to> <from>John</from> <heading>Reminder</heading> <body>Don't forget the meeting!</body> </note>
PHP Code:
<?php
$parser=xml_parser_create();
function default($parser,$data)
{
echo $data;
}
xml_set_default_handler($parser,"default");
$fp=fopen("test.xml","r");
while ($data=fread($fp,4096))
{
xml_parse($parser,$data,feof($fp)) or
die (sprintf("XML Error: %s at line %d",
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser)));
}
xml_parser_free($parser);
?>
Output:
George John Reminder Don't forget the meeting!
If you view the source code in the browser, you will see the following HTML:
<note> <to>George</to> <from>John</from> <heading>Reminder</heading> <body>Don't forget the meeting!</body> </note>
