xml_parse
(PHP 4, PHP 5, PHP 7)
xml_parse — Start parsing an XML document
Description
$parser
, string $data
[, bool $is_final
= FALSE
] ) : intxml_parse() parses an XML document. The handlers for the configured events are called as many times as necessary.
Parameters
-
parser
-
A reference to the XML parser to use.
-
data
-
Chunk of data to parse. A document may be parsed piece-wise by calling xml_parse() several times with new data, as long as the
is_final
parameter is set andTRUE
when the last data is parsed. -
is_final
-
If set and
TRUE
,data
is the last piece of data sent in this parse.
Return Values
Returns 1 on success or 0 on failure.
For unsuccessful parses, error information can be retrieved with xml_get_error_code(), xml_error_string(), xml_get_current_line_number(), xml_get_current_column_number() and xml_get_current_byte_index().
Note:
Some errors (such as entity errors) are reported at the end of the data, thus only if
is_final
is set andTRUE
.
Examples
Example #1 Chunked parsing of large XML documents
This example shows how large XML documents can be read and parsed in chunks, so that it not necessary to keep the whole document in memory. Error handling is omitted for brevity.
<?php
$stream = fopen('large.xml', 'r');
$parser = xml_parser_create();
// set up the handlers here
while (($data = fread($stream, 16384))) {
xml_parse($parser, $data); // parse the current chunk
}
xml_parse($parser, '', true); // finalize parsing
xml_parser_free($parser);
fclose($stream);
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.xml-parse.html
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References
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