Monday, July 17, 2006

PHP RSS Reader

PHP RSS Reader By Richard James Kendall Edited by Biggy

"ไฟล์สำหรับใช้อ่าน RSS Feeder จากเว็บอื่นๆ มาใส่ในเว็บเราครับ เห็นว่ามีประโยชน์ก็ลองมาดัดแปลงดูหวังว่าจะมีประโยชน์บ้างนะครับ"

<?php

/* PHP RSS Reader v1.1

By Richard James Kendall

Bugs to richard@richardjameskendall.com

Free to use, please acknowledge me



Place the URL of an RSS feed in the $file variable.



The $rss_channel array will be filled with data from the feed,

every RSS feed is different by by and large it should contain:



Array {

[TITLE] = feed title

[DESCRIPTION] = feed description

[LINK] = link to their website



[IMAGE] = Array {

[URL] = url of image

[DESCRIPTION] = alt text of image

}



[ITEMS] = Array {

[0] = Array {

[TITLE] = item title

[DESCRIPTION] = item description

[LINK = a link to the story

}

}

}



By default it retrives the Reuters Oddly Enough RSS feed. The data is put into the array

structure so you can format the information as you see fit.

*/

set_time_limit(0);
$file = http://www.phpfreaks.com/feeds/tutorials.xml;
$rss_channel = array();
$currently_writing = "";
$main = "";
$item_counter = 0;


function startElement($parser, $name, $attrs) {
global $rss_channel, $currently_writing, $main;
switch($name) {
case "RSS":
case "RDF:RDF":
case "ITEMS":
$currently_writing = "";
break;
case "CHANNEL":
$main = "CHANNEL";
break;

case "IMAGE":
$main = "IMAGE";
$rss_channel["IMAGE"] = array();
break;
case "ITEM":
$main = "ITEMS";
break;
default:
$currently_writing = $name;
break;
}}


function endElement($parser, $name) {
global $rss_channel, $currently_writing, $item_counter;
$currently_writing = "";
if ($name == "ITEM") {
$item_counter++;
}}


function characterData($parser, $data) {
global $rss_channel, $currently_writing, $main, $item_counter;
if ($currently_writing != "") {
switch($main) {
case "CHANNEL":
if (isset($rss_channel[$currently_writing])) {
$rss_channel[$currently_writing] .= $data;
} else {
$rss_channel[$currently_writing] = $data;
}
break;
case "IMAGE":

if (isset($rss_channel[$main][$currently_writing])) {
$rss_channel[$main][$currently_writing] .= $data;
} else {
$rss_channel[$main][$currently_writing] = $data;
}
break;
case "ITEMS":
if (isset($rss_channel[$main][$item_counter][$currently_writing])) {
$rss_channel[$main][$item_counter][$currently_writing] .= $data;
} else {

//print ("rss_channel[$main][$item_counter][$currently_writing] = $data<br>");
$rss_channel[$main][$item_counter][$currently_writing] = $data;
}
break;
}
}
}


$xml_parser = xml_parser_create();
xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "characterData");
if (!($fp = fopen($file, "r"))) {
die("could not open XML input");
}


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

xml_parser_free($xml_parser);

// output as HTML
/*

print ("<html><head><title>PHP RSS Reader</title></head><body>");
if (isset($rss_channel["IMAGE"])) {
print ("<a href=\"" . $rss_channel["LINK"] . "\" target=\"_blank\"><img border=\"0\" src=\"" . $rss_channel["IMAGE"]["URL"] . "\" align=\"middle\" alt=\"" . $rss_channel["IMAGE"]["TITLE"] . "\"></a> <font size=\"5\">" . $rss_channel["TITLE"] . "</font><br><br>");
} else {
print ("<font size=\"5\">" . $rss_channel["TITLE"] . "</font><br><br>");
}
print ("<i>" . $rss_channel["DESCRIPTION"] . "</i><br><br>");
if (isset($rss_channel["ITEMS"])) {
if (count($rss_channel["ITEMS"]) > 0) {
for($i = 0;$i < count($rss_channel["ITEMS"]);$i++) {
print ("\n<table width=\"100%\" border=\"1\"><tr><td width=\"100%\"><a href=\"" . $rss_channel["ITEMS"][$i]["LINK"] . "\" target=\"_blank\"><h2>" . $rss_channel["ITEMS"][$i]["TITLE"] . "</h2></a></b>");
print ("<i>" . html_entity_decode($rss_channel["ITEMS"][$i]["DESCRIPTION"]) . "</i>");
print ("</td></tr></table><br>");
}
} else {

prin ("<b>There are no articles in this feed.</b>");
}
}
print ("</body></html>");
*/
?>

<?php
//biggy out put
?>
<html>
<head>
<title>Test</title>
</head>
<body>
<table width="400">
<tr>
<td>
<?
if (isset($rss_channel["ITEMS"])) {
if (count($rss_channel["ITEMS"]) > 0) {
for($i = 0;$i < count($rss_channel["ITEMS"]);$i++) {
?>
<a href="<?php echo $rss_channel["ITEMS"][$i]["LINK"];?>"><font face="tahoma" size="2"><b><?php echo $rss_channel["ITEMS"][$i]["TITLE"];?></b></font></a><br />
<font face="tahoma" size="2"><?php echo html_entity_decode($rss_channel["ITEMS"][$i]["DESCRIPTION"]);?><br />
<?
}
} else {
print ("<b>There are no articles in this feed.</b>");
}
}
?>
</td></tr></table>
</body>
</html>