Reading XML File in PHP

Hi Guys,

I want to know how we will read the comment line from XML in PHP?

 

Use php's DOM and XML functions. It's a bit easier with php5.
I don't have a tutorial link handy, but you can take a look at w3schools.com
Bye

 

If you want something that doesn't require php5, or specific modules loaded into php, then look for an XML parser class. The advantage of this is that your code will work on pretty much any php enabled web server.

I personally use Last RSS http://lastrss.oslab.net/ which I find works well, but others will have their own preferences.

 

MagpieRSS is a great, easy to use tool that works with PHP 4 and 5.

 

<?php
LIST OF THE XML FILES
$arfiles= array("basic2.xml","dataset.xml");

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


?>

 

Thanks every body.