PHP class for operating XML to create a database_PHP tutorial

* example read data:
*
* $xml = new xml("dbase.xml",'table');
*
* $data=$xml->xml_fetch_array();
*
* echo "

";

*

* print_r($data);

*



class xml

{

var $dbase; //Database, XML file to be read 

var $dbname; //Database name, top-level element, consistent with database file name 

var $dbtable; //Data table, node to be obtained 

var $parser; //Parser

var $vals; //Attribute

var $index; //index

var $dbtable_array;//Node array

var $array; //Array of subordinate nodes

var $result; //returned result

var $querys;



function xml($dbase,$dbtable)

{

$this->dbase=$dbase;

$this->dbname=substr($dbase,strrpos($dbase,"/") 1,-4);

$this->dbtable=$dbtable;

$data=$this->ReadXml($this->dbase);

if(!$data){

die("Cannot read $this->dbname.xml");

}

$this->parser = xml_parser_create();

xml_parser_set_option($this->parser,XML_OPTION_CASE_FOLDING,0);

xml_parser_set_option($this->parser,XML_OPTION_SKIP_WHITE,1);

xml_parse_into_struct($this->parser,$data,$this->vals,$this->index);

xml_parser_free($this->parser);

//Traverse the index and filter out the nodes to be valued. Node name: $dbtable

foreach ($this->index as $key=>$val) {

if ($key == $this->dbtable) {

//Get node array

$this->dbtable_array = $val;

} else {

continue;

}

}

for ($i=0; $i < count($this->dbtable_array); $i =2) {

$offset = $this->dbtable_array[$i] 1; 

$len = $this->dbtable_array[$i 1] - $offset;

//array_slice() returns a sequence in the array array specified by the offset and length parameters. 

//The lower level array of the taken node

$value=array_slice($this->vals,$offset,$len);

//Get valid arrays and merge them into the result array

$this->array[]=$this->parseEFF($value);

}

return true;

}

//Read the XML file and return the string 



http://www.bkjia.com/PHPjc/631415.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/631415.htmlTechArticle?php * example Read data: * * $xml = new xml(dbase.xml,'table') ; * * $data=$xml-xml_fetch_array(); * * echo pre style=font-size:12px;; * * print_r($data); * class xml { var $d...