Simple XML Parser which reads XML files and create an array from the data

By : koolb

<?php
// Author: Koolb, Buddhima W.Wickramsinghe (buddhima@yahoo.com)

$arfiles= array("24122003_5_AccessoryList.xml","28122003_4_Shop_OtherModel.xml");

foreach($arfiles as $arFile)
{
echo "<BR>-------------------------------------------------<BR>";
echo "<BR>Parsing ".$arFile."<BR>";
$insXmlParser= new clsXmlParser($arFile);
if($aArray=$insXmlParser->Parse())
echo LIST_CONTENTS($aArray);
echo "<BR>-------------------------------------------------<BR>";
}
// Simple XML Parser

class clsXmlParser {

// general vars
var $sTitle = "";
var $sLink = "";
var $sDescription = "";
var $arItems = array();
var $arsub = array();
var $itemCount = 0;
var $prvTag="";
var $uFiles = '';
var $xml_parser;
var $curTag="";

function clsXmlParser($uFiles)
{

$this->uFiles = $uFiles;

}

function startElement($parser, $name, $attrs) {

$this->curTag .= "^$name";
//echo "start: ".$this->curTag." <BR>";

}

function endElement($parser, $name)
{

$caret_pos = strrpos($this->curTag,'^');
$this->curTag = substr($this->curTag,0,$caret_pos);
//echo "end: ".$this->curTag." <BR>";
}

function characterData($parser, $data) {

if(trim($data) != "")
{
if(trim($this->prvTag) == "")
$this->prvTag=$this->curTag;
elseif(trim($this->prvTag) == trim($this->curTag))
{
$this->arItems[] = $this->arsub;
$this->arsub = array();

}

//find current element
$c_pos = strrpos($this->curTag,'^');
$c_len = strlen($this->curTag);
$c_val = substr($this->curTag,($c_pos+1),$c_len);

//set data to sub array with the element name as the key
$this->arsub[$c_val] = $data;


}

}



function Parse()
{
$this->xml_parser = xml_parser_create();


xml_set_object($this->xml_parser, &$this);

xml_set_element_handler($this->xml_parser, "startElement", "endElement");
xml_set_character_data_handler($this->xml_parser, "characterData");

if (!($fp = fopen($this->uFiles,"r")))
{
die ("could not open XML for input");
}

while ($data = fread($fp, 4096))
{
if (!xml_parse($this->xml_parser, $data, feof($fp)))
{
die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($this->xml_parser)), xml_get_current_line_number($this->xml_parser)));
}
}
xml_parser_free($this->xml_parser);

//to handle the last array element
if(count($this->arsub)>0)
{
$this->arItems[] = $this->arsub;
$this->arsub = array();
}

return $this->arItems;

}

}

///----------END OF CLASS


function LIST_CONTENTS($arrayname,$tab="&nbsp&nbsp&nbsp&nbsp",$indent=0)
{
// recursively displays contents of the array and sub-arrays:
// This function (c) Peter Kionga-Kamau
// Free for unrestricted use, except sale - do not resell.
// use: echo LIST_CONTENTS(array $arrayname, string $tab, int $indent);
// $tab = string to use as a tab, $indent = number of tabs to indent result
$retval=$currenttab="";
while(list($key, $value) = each($arrayname))
{
for($i=0; $i<$indent; $i++) $currenttab .= $tab;
if (is_array($value))
{
$retval .= "$currenttab$key : Array: <BR>$currenttab{<BR>";
$retval .= LIST_CONTENTS($value,$tab,$indent+1)."$currenttab}<BR>";
}
else $retval .= "$currenttab$key => $value<BR>";
$currenttab = NULL;
}
return $retval;
}


?>

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