note 79922 added to function.xml-parse-into-struct
| From: | beaudurrant at gmail dot com | Date: | Wed, 19 Dec 2007 19:23:15 +0000 |
| Subject: | note 79922 added to function.xml-parse-into-struct | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-133791@lists.php.net to get a copy of this message | ||
This is extending what Alf Marius Foss Olsen had posted above.
It takes into account array keys with the same name and uses an increment for them instead of
overwriting the keys.
I am using it for SOAP requests (20K - 150K) and it parses very fast compared to PEAR.
<?
class XMLParser {
// raw xml
private $rawXML;
// xml parser
private $parser = null;
// array returned by the xml parser
private $valueArray = array();
private $keyArray = array();
// arrays for dealing with duplicate keys
private $duplicateKeys = array();
// return data
private $output = array();
private $status;
public function XMLParser($xml){
$this->rawXML = $xml;
$this->parser = xml_parser_create();
return $this->parse();
}
private function parse(){
$parser = $this->parser;
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0); // Dont mess with my cAsE sEtTings
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); // Dont bother with empty info
if(!xml_parse_into_struct($parser, $this->rawXML, $this->valueArray, $this->keyArray)){
$this->status = 'error: '.xml_error_string(xml_get_error_code($parser)).' at
line '.xml_get_current_line_number($parser);
return false;
}
xml_parser_free($parser);
$this->findDuplicateKeys();
// tmp array used for stacking
$stack = array();
$increment = 0;
foreach($this->valueArray as $val) {
if($val['type'] == "open") {
//if array key is duplicate then send in increment
if(array_key_exists($val['tag'], $this->duplicateKeys)){
array_push($stack, $this->duplicateKeys[$val['tag']]);
$this->duplicateKeys[$val['tag']]++;
}
else{
// else send in tag
array_push($stack, $val['tag']);
}
} elseif($val['type'] == "close") {
array_pop($stack);
// reset the increment if they tag does not exists in the stack
if(array_key_exists($val['tag'], $stack)){
$this->duplicateKeys[$val['tag']] = 0;
}
} elseif($val['type'] == "complete") {
//if array key is duplicate then send in increment
if(array_key_exists($val['tag'], $this->duplicateKeys)){
array_push($stack, $this->duplicateKeys[$val['tag']]);
$this->duplicateKeys[$val['tag']]++;
}
else{
// else send in tag
array_push($stack, $val['tag']);
}
$this->setArrayValue($this->output, $stack, $val['value']);
array_pop($stack);
}
$increment++;
}
$this->status = 'success: xml was parsed';
return true;
}
private function findDuplicateKeys(){
for($i=0;$i < count($this->valueArray); $i++) {
// duplicate keys are when two complete tags are side by side
if($this->valueArray[$i]['type'] == "complete"){
if( $i+1 < count($this->valueArray) ){
if($this->valueArray[$i+1]['tag'] == $this->valueArray[$i]['tag']
&& $this->valueArray[$i+1]['type'] == "complete"){
$this->duplicateKeys[$this->valueArray[$i]['tag']] = 0;
}
}
}
// also when a close tag is before an open tag and the tags are the same
if($this->valueArray[$i]['type'] == "close"){
if( $i+1 < count($this->valueArray) ){
if( $this->valueArray[$i+1]['type'] == "open" &&
$this->valueArray[$i+1]['tag'] == $this->valueArray[$i]['tag'])
$this->duplicateKeys[$this->valueArray[$i]['tag']] = 0;
}
}
}
}
private function setArrayValue(&$array, $stack, $value){
if ($stack) {
$key = array_shift($stack);
$this->setArrayValue($array[$key], $stack, $value);
return $array;
} else {
$array = $value;
}
}
public function getOutput(){
return $this->output;
}
public function getStatus(){
return $this->status;
}
}
?>
Usage:
$p = new XMLParser($xml);
$p->getOutput();
----
Server IP: 216.235.15.211
Probable Submitter: 206.174.196.146
----
Manual Page -- http://www.php.net/manual/en/function.xml-parse-into-struct.php
Edit -- https://master.php.net/note/edit/79922
Del: integrated -- https://master.php.net/note/delete/79922/integrated
Del: useless -- https://master.php.net/note/delete/79922/useless
Del: bad code -- https://master.php.net/note/delete/79922/bad+code
Del: spam -- https://master.php.net/note/delete/79922/spam
Del: non-english -- https://master.php.net/note/delete/79922/non-english
Del: in docs -- https://master.php.net/note/delete/79922/in+docs
Del: other reasons-- https://master.php.net/note/delete/79922
Reject -- https://master.php.net/note/reject/79922
Search -- https://master.php.net/manage/user-notes.php