How to define custom value in existing script

libero · February 24, 2011

Hi, all,

I have this script: (I`m sorry I`m putting it all here, but dont`t sure what`s important)

<?php
add_action('the_content','rpf_content_filter');
add_filter('wp_head', 'rpf_init');
$rpf_options = get_option('rpf_options');

function rpf_content_filter($content){
if(is_admin())
	return $content;

$id = get_post_meta(get_the_ID(), 'rpf_feed_id', true);

if(!$id)
	return $content;//might be normal content

global $rpf_options;
if($rpf_options['word_limit'] >0 )
	$content = rpf_truncate($content, $rpf_options['word_limit']);


$sourcelink=get_post_meta(get_the_ID(), 'rpf_sourcepermalink', true);

if($sourcelink)
	$link='<p>'.rpf_custom_template($sourcelink,$id).'</p>';

$content=$content.$link;

return $content;


}

function rpf_custom_template($sourcelink,$feed_id){



global $rpf_options;
$custom_template = $rpf_options['custom_template'];

if( false ===  strpos($custom_template, '%SOURCE_URL%' ) )
	$custom_template .= ' <a href="%SOURCE_URL%">%SOURCE_URL%</a> ';



$feed = rpf_get_feed($feed_id);

$user = get_userdata($feed['author']);
$author = $user->nickname;

$category = get_cat_name($feed['category']);

$feed_url = $feed['url'];

$feed_name = $feed['name'];

$custom_template = str_replace(
	array('%SOURCE_URL%','%AUTHOR%','%CATEGORY%','%FEED_URL%','%FEED_NAME%'),
	array($sourcelink,$author,$category,$feed_url,$feed_name),
	$custom_template

);

return $custom_template;


}
function rpf_truncate($text,$count) { 
$count=intval($count);
if(  $count<1 || substr_count($text,' ') < $count )
	return $text;

$temp = explode(' ', $text);

$text = implode(' ', array_slice($temp, 0, $count));

return $text;

}
function rpf_init(){

global $rpf_options;

$now_time=time();

$interval=60*60*3;
$lastactive=$rpf_options['lastactive'];
if(!$lastactive){
	$lastactive=$now_time;
	$rpf_options['lastactive']=$lastactive;
	update_option('rpf_options', $rpf_options);

}

if ( ($now_time - $lastactive ) >= $interval ) {

	$rpf_options['lastactive'] = $now_time+$interval;
	update_option('rpf_options', $rpf_options);
	rpf_process_feeds();
}

}



function rpf_process_feeds(){

@set_time_limit(0);


$feeds=rpf_get_feeds();
if($feeds){

	rpf_log("<b>----------Processing all feeds-------------</b>");
	foreach($feeds as $feed){

		rpf_process_feed($feed);

	}
}else{

	rpf_log("No feeds data found!");
}


}


function rpf_process_feed($feed){
@set_time_limit(0);
if(empty($feed['url'])){

	return false;
}


rpf_log("Processing feed <b>{$feed['url']}</b>");

$lastactive = $feed['lastactive'];

$now=time();

$frequency = $feed['frequency']*60*60;

if( ($now - $lastactive) >= $frequency ){

	rpf_update_feed_lastactive($feed['id'],$now);

}else{

	rpf_log("It's not the time to update <b>{$feed['url']}</b>. <a href='http://www.wprssposter.com/faq.html#cronjob'>Explanation</a>");
	return false;
}

global $rpf_options;

$max_items=$feed['max_items'];

if(empty($max_items)||!is_numeric($max_items))

	$max_items=3;

$simplepie = rpf_fetch_feed($feed['url'],$max_items);
$error=$simplepie->error();

if($error){

	rpf_log("Feed Error: <b>$error</b>");
	return false;
}

    	$count = 0;
    
foreach($simplepie->get_items() as $item){
	if( rpf_is_duplicate(  $item->get_title() ) ){
       			rpf_log('Filtering duplicate post');
        		continue;
	}
	if(false == rpf_process_item($item,$feed))
		continue;
	$count++;
	if($count == $max_items)
		break;
      	}

    	if($count==0)
	rpf_log("No new or qualified post for <b>{$feed['url']}</b> <a href='http://www.wprssposter.com/faq.html#newandqualified'>Explanation</a>");
else
	rpf_log( "Fetch $count posts from <b>{$feed['url']}</b>" );

    	
    	return true;
    

}
function rpf_process_item($item,$feed){


global $wpdb;

$title = $item->get_title();

$link = $item->get_permalink();

if(false !== strpos($link,'news.google.com')){
	$link=urldecode(substr($link,strpos($link,'url=')+4));
}elseif(false !== strpos($link,'/**')){
	$link=urldecode(substr($link,strpos($link,'/**')+3));

}	

$content = rpf_full_feed($link);

if(!$content ){
	//rpf_log("Cannot grab full content from <b>$link</b>");
	return false;
}
$title=rpf_title_fix($title);

$content=rpf_content_fix($content);

if(empty($title)||empty($content)){

	return false;
}

$content=rpf_parse_images($content,$item->get_base());
$meta = array(
     'rpf_feed_id' => $feed['id'],
     'rpf_sourcepermalink' => $link,

    	);

$rpf_date = date("Y-m-d H:i:s", time());
if($feed['publish_date'] === 'Publish Immediately'){

}elseif($feed['publish_date'] === 'RSS Publication Date'){

	$rpf_date = $item->get_date("Y-m-d H:i:s");
}



rpf_insert_post( $title,$content,$feed['category'],$feed['tags'],$meta,$feed['post_status'],$rpf_date,$feed['author']);
	rpf_log("<b>{$title}</b> added");
global $wpdb;
global $rpf_options;
$hash=rpf_item_hash($item->get_title());
$sql="insert into {$rpf_options['db']['post']} (hash) values ('{$hash}')";
$wpdb->query($sql);

return true;


}
function rpf_title_fix($title){
if($title && strpos($title,' - ')){

	$backup=$title;
	$backup=preg_replace('/([-])/','$1[D]',$backup);

	$backup=explode('[D]',$backup);

	if( strlen($backup[0])>10 || count($backup)>=2 )
		unset($backup[count($backup)-1]);
	else
		return $title;

	$title=trim(implode('',$backup),' - ');
}
return $title;

}

function rpf_content_fix($text){
preg_match_all('@(<a.+?href=\".+?\">)(.*?</a>)@',$text,$m);
$urls = $m[1];
if(count($urls)){
	foreach($urls as $pos => $link){
		if(false === stripos($link,'http://') && false === stripos($link,'https://')){

			$text=str_replace($link,'',$text);

			$text=str_replace($m[2][$pos],str_replace('</a>','',$m[2][$pos]),$text);
		}
	}
}
$text=preg_replace("/[&|#|&#]+[a-z0-9]+;/i","",$text);
$text=preg_replace('@<[dtrx][^>]*>@','',$text);
$text=preg_replace('@</[dtrx][^>]*>@','',$text);
return $text;

}
function rpf_parse_images($content,$link){

preg_match_all('/<img(.+?)src=\"(.+?)\"(.*?)>/', $content, $images);
$urls = $images[2];
       
      	if(count($urls)){

	foreach($urls as $pos => $url){
		$oldurl=$url;
		$meta=parse_url($url);

		if(!isset($meta['host'])){

			$meta=parse_url($link);
			$url=$meta['scheme'].'://'.$meta['host'].'/'.$url;

   			}

          		$newurl = rpf_cache_image($url);
          		if($newurl)
            			$content = str_replace($oldurl, $newurl, $content);
		else
			$content = str_replace($images[0][$pos],'',$content);
        	} 
        }
return $content;
   	


}
function rpf_cache_image($url){
if( strpos($url, "icon_") !== FALSE)
      return false;
global $rpf_options;
$contents = rpf_get_file($url);

if( !$contents )
	return false;
$basename = basename($url);
$paresed_url = parse_url($basename);

$filename = substr(md5(time()), 0, 5) . '_' . $paresed_url['path'];
    	
$cachepath = RPF_CACHE;
$pluginpath = RPF_URL_ROOT;
    	$real_cachepath=dirname(__FILE__).'/'.$cachepath;
if(is_writable(	$real_cachepath ) ){

	if($contents){

		file_put_contents($real_cachepath . $filename, $contents);
		$i=@exif_imagetype($real_cachepath . $filename);
		if($i)
			return $pluginpath . $cachepath . rawurlencode($filename);
	}
}else{

	rpf_log($real_cachepath . " directory is not writable" );

}
    
return false;

}
function rpf_insert_post($title,$content,$category=array(1),$tags_input='',$meta='',$post_status='publish',$rpf_date,$post_author=1){


$category=(array)$category;

if(!$rpf_date)
	$rpf_date = time();


$postid = wp_insert_post(array(
    		'post_title' 	          => $title,
  		'post_content'  	  => $content,
  		'post_category'           => $category,
	'tags_input'		  => $tags_input,
	'post_status'		  => $post_status,
	'post_author'             => $post_author,
  		"post_date" 		  => get_date_from_gmt($rpf_date),
    	));
if($meta)
	foreach($meta as $key => $value) 
		rpf_insert_post_meta($postid, $key, $value);


return $postid;

}

function rpf_full_feed($permalink){

require_once(RPFINC.'readability.php');

if ($permalink && $html = rpf_get_file($permalink)) {

	$html = rpf_convert_to_utf8($html);

	$content = grabArticleHtml($html);


}else
	return false;

if( false !== stripos($content,'readability was unable to parse this page for content') )
	return false;
if( false !== stripos($content, 'return go_back();') )
	return false;

return $content;

}
function rpf_insert_post_meta($postid, $key, $value) {
global $wpdb;

$result = $wpdb->query( "INSERT INTO $wpdb->postmeta (post_id,meta_key,meta_value ) " 
				                . " VALUES ('$postid','$key','$value') ");

return $wpdb->insert_id;		
}

function rpf_is_duplicate($title){

global $wpdb;
global $rpf_options;

$hash = rpf_item_hash($title);

$row = $wpdb->get_row("SELECT * FROM {$rpf_options['db']['post']} "
                          . "WHERE hash = '{$hash}'");  
if($row)
	return true;
return false;


}

function rpf_item_hash($data){

return sha1($data);
}
function rpf_get_file($url){

if(ini_get('allow_url_fopen') != 1) {
	@ini_set('allow_url_fopen', '1');
}

if(ini_get('allow_url_fopen') != 1) {

	$ch = curl_init();

	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); //Set curl to return the data instead of printing it to the browser.
	curl_setopt($ch, CURLOPT_URL, $url);

	$data = curl_exec($ch);
	curl_close($ch);

	return $data;

    
} else {
	return @file_get_contents($url);
}

return false;


}
function rpf_fetch_feed($url,$max_items){
  
    $url=str_replace(' ','+',$url);

     # SimplePie
    if(! class_exists('SimplePie'))
      require_once( RPFINC . 'simplepie.class.php' );
   
    $feed = new SimplePie();
    $feed->enable_order_by_date(false); 
    $feed->set_feed_url($url);
    $feed->set_item_limit($max_items);
    $feed->set_stupidly_fast(true);
    $feed->enable_cache(false);    
    $feed->init();
    $feed->handle_content_type(); 
    
    return $feed;

}

function rpf_get_feeds(){

$rtn_feeds=array();
global $rpf_options;

$feeds=$rpf_options['feed'];

foreach($feeds as $feed){


	$rtn_feeds[]=$feed;

}
return $rtn_feeds;


}

function rpf_get_feed($id){

$feeds=rpf_get_feeds();

foreach($feeds as $feed){

	if($feed['id'] == $id)		
		return $feed;

}
return false;


}

function rpf_update_feed($_feed){

global $rpf_options;

$feeds=$rpf_options['feed'];


foreach($_feed as $k => $v)
	$_feed[$k]=str_replace('\\','',$v);

foreach($feeds as $key => $feed){

	if($feed['id'] == $_feed['id']){

		if(empty($_feed['name'])||empty($_feed['url'])){

			unset($feeds[$key]);
			$feeds[]=array(
			'id' => $_feed['id'],
			'name' => '',
			'url' => '',
			'category' => 1,
			'tags' =>'',
			'frequency' => 8,
			'max_items' => 3,
			'lastactive' =>'0',
			'post_status' => 'publish',
			'publish_date' => 'Publish Immediately',
			'author' => 1
			);
			break;		

		}else{
			if($_feed['url'] == $feed['url'] && $_feed['name'] == $feed['name'])
				$_feed['lastactive']=$feed['lastactive'];
			else
				$_feed['lastactive']='0';

			unset($feeds[$key]);
			$feeds[$key]=$_feed;
			break;
		}

	}	


}
$rpf_options['feed']=$feeds;
update_option('rpf_options',$rpf_options);

}
function rpf_update_feed_lastactive($id,$lastactive){

global $rpf_options;

$feeds=$rpf_options['feed'];

foreach($feeds as $key => $feed){

	if($feed['id'] == $id){
		$backup=$feed;
		unset($feeds[$key]);
		$backup['lastactive']=$lastactive;
		$feeds[$key]=$backup;
		break;

	}	


}
$rpf_options['feed']=$feeds;
update_option('rpf_options',$rpf_options);

}


function rpf_log($message){
   	global $wpdb;
    	global $rpf_options;
    	$message = $wpdb->escape($message);
      	$time = current_time('mysql', true);
      	$wpdb->query("INSERT INTO {$rpf_options['db']['log']} (message, created_on) VALUES ('{$message}', '{$time}') "); 
    		
}
function rpf_get_logs($page,$logs_per_page){
global $wpdb;
  	global $rpf_options;


if($page == 0) $page = 1;
$page--;
$orderby = "created_on";
$ordertype = 'ASC';
$start = $page * $logs_per_page;
$end = $start + $logs_per_page;
$limit = "LIMIT {$start}, {$end}";

  	
  	return $wpdb->get_results("SELECT * FROM {$rpf_options['db']['log']} ORDER BY $orderby $ordertype $limit");
}
function rpf_timezone_mysql($format, $time){
    return mysql2date($format, $time);    
}
//////////////////////////////////////////////
// Convert $html to UTF8
// (uses HTTP headers and HTML to find encoding)
// adapted from http://stackoverflow.com/questions/910793/php-detect-encoding-and-make-everything-utf-8
//////////////////////////////////////////////
function rpf_convert_to_utf8($html, $header=null)
{
$accept = array(
	'type' => array('application/rss+xml', 'application/xml', 'application/rdf+xml', 'text/xml', 'text/html'),
	'charset' => array_diff(mb_list_encodings(), array('pass', 'auto', 'wchar', 'byte2be', 'byte2le', 'byte4be', 'byte4le', 'BASE64', 'UUENCODE', 'HTML-ENTITIES', 'Quoted-Printable', '7bit', '8bit'))
);
$encoding = null;
if ($html || $header) {
	if (is_array($header)) $header = implode("\n", $header);
	if (!$header || !preg_match_all('/^Content-Type:\s+([^;]+)(?:;\s*charset=([^;"\'\n]*))?/im', $header, $match, PREG_SET_ORDER)) {
		// error parsing the response
	} else {
		$match = end($match); // get last matched element (in case of redirects)
		if (!in_array(strtolower($match[1]), $accept['type'])) {
			// type not accepted
			// TODO: avoid conversion
		}
		if (isset($match[2])) $encoding = trim($match[2], '"\'');
	}
	if (!$encoding) {
		if (preg_match('/^<\?xml\s+version=(?:"[^"]*"|\'[^\']*\')\s+encoding=("[^"]*"|\'[^\']*\')/s', $html, $match)) {
			$encoding = trim($match[1], '"\'');
		} elseif(preg_match('/<meta\s+http-equiv=["\']Content-Type["\'] content=["\'][^;]+;\s*charset=([^;"\'>]+)/i', $html, $match)) {
			if (isset($match[1])) $encoding = trim($match[1]);
		}
	}
	if (!$encoding) {
		$encoding = 'utf-8';
	} else {
		if (!in_array($encoding, array_map('strtolower', $accept['charset']))) {
			// encoding not accepted
			// TODO: avoid conversion
		}
		if (strtolower($encoding) != 'utf-8') {
			if (strtolower($encoding) == 'iso-8859-1') {
				// replace MS Word smart qutoes
				$trans = array();
				$trans[chr(130)] = '‚';    // Single Low-9 Quotation Mark
				$trans[chr(131)] = 'ƒ';    // Latin Small Letter F With Hook
				$trans[chr(132)] = '„';    // Double Low-9 Quotation Mark
				$trans[chr(133)] = '…';    // Horizontal Ellipsis
				$trans[chr(134)] = '†';    // Dagger
				$trans[chr(135)] = '‡';    // Double Dagger
				$trans[chr(136)] = 'ˆ';    // Modifier Letter Circumflex Accent
				$trans[chr(137)] = '‰';    // Per Mille Sign
				$trans[chr(138)] = 'Š';    // Latin Capital Letter S With Caron
				$trans[chr(139)] = '‹';    // Single Left-Pointing Angle Quotation Mark
				$trans[chr(140)] = 'Œ';    // Latin Capital Ligature OE
				$trans[chr(145)] = '‘';    // Left Single Quotation Mark
				$trans[chr(146)] = '’';    // Right Single Quotation Mark
				$trans[chr(147)] = '“';    // Left Double Quotation Mark
				$trans[chr(148)] = '”';    // Right Double Quotation Mark
				$trans[chr(149)] = '•';    // Bullet
				$trans[chr(150)] = '–';    // En Dash
				$trans[chr(151)] = '—';    // Em Dash
				$trans[chr(152)] = '˜';    // Small Tilde
				$trans[chr(153)] = '™';    // Trade Mark Sign
				$trans[chr(154)] = 'š';    // Latin Small Letter S With Caron
				$trans[chr(155)] = '›';    // Single Right-Pointing Angle Quotation Mark
				$trans[chr(156)] = 'œ';    // Latin Small Ligature OE
				$trans[chr(159)] = 'Ÿ';    // Latin Capital Letter Y With Diaeresis
				$html = strtr($html, $trans);
			}
			if(!class_exists('SimplePie_Misc'))
				require_once(RPFINC.'simplepie.class.php');

			$html = SimplePie_Misc::change_encoding($html, $encoding, 'utf-8');

			/*
			if (function_exists('iconv')) {
				// iconv appears to handle certain character encodings better than mb_convert_encoding
				$html = iconv($encoding, 'utf-8', $html);
			} else {
				$html = mb_convert_encoding($html, 'utf-8', $encoding);
			}
			*/
		}
	}
}
return $html;
}
if ( ! function_exists( 'exif_imagetype' ) ) {
    function exif_imagetype ( $filename ) {
        return @getimagesize( $filename );
    }
}
?>

So in line 229 I want to define one more value(preview) like this:

$content=rpf_parse_images($content,$item->get_base());
$meta = array(
     'rpf_feed_id' => $feed['id'],
     'rpf_sourcepermalink' => $link,
	 'preview' =>

I did it and it`s work, but the problem is that I want to insert here already existing value - from line 337 - variable $real_cachepath from functio rpf_cache_image. I have try to define it directly, but it don`t work.

Can you help me, please

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How to define custom value in existing script

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