PHP xml_parse() Function
Complete PHP XML Reference
Definition and Usage
The xml_parse() function parses an XML document.
This function returns TRUE on success, or FALSE on failure.
Syntax
xml_parse(parser,xml,end)
| Parameter |
Description |
| parser |
Required. Specifies XML parser to use |
| xml |
Required. Specifies XML data to parse |
| end |
Optional. If this parameter is TRUE, the data in the "xml"
parameter is the last piece of data sent in this parse. Note:
Entity errors are reported at the end of the parse. And will only show if
the "end" parameter is TRUE |
Tips and Notes
Tip: To create an XML parser, use the
xml_parser_create() function.
Example 1
XML File
<?xml version="1.0" encoding="UTF-8"?>
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
PHP Code
<?php
$parser=xml_parser_create();
function char($parser,$data)
{
echo $data;
}
xml_set_character_data_handler($parser,"char");
$fp=fopen("test.xml","r");
while ($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);
?>
The output of the code above will be:
Tove Jani Reminder Don't forget me this weekend!
Example 2
Using the same XML file but displaying the XML data in another way:
<?php
$parser=xml_parser_create();
function start($parser,$element_name,$element_attrs)
{
switch($element_name)
{
case "NOTE":
echo "-- Note --<br />";
break;
case "TO":
echo "To: ";
break;
case "FROM":
echo "From: ";
break;
case "HEADING":
echo "Heading: ";
break;
case "BODY":
echo "Message: ";
}
}
function stop($parser,$element_name)
{
echo "<br />";
}
function char($parser,$data)
{
echo $data;
}
xml_set_element_handler($parser,"start","stop");
xml_set_character_data_handler($parser,"char");
$fp=fopen("test.xml","r");
while ($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);
?>
The output of the code above will be:
-- Note --
To: Tove
From: Jani
Heading: Reminder
Message: Don't forget me this weekend!
Complete PHP XML Reference
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