PHP fetch_rss函数代码示例

function theme_updates()
{
    global $newversion, $version, $themename, $shortname;
    // Get latest version
    // Use MagpieRSS
    require_once ABSPATH . WPINC . '/rss.php';
    // Feed where updates are located
    $rss = fetch_rss('http://www.photocrati.com/theme-updates/photocrati-updates-v' . $version . '.xml');
    if ($rss) {
        //loop through the latest rss items
        foreach ($rss->items as $item) {
            // Do our shornames match up?
            if ($item['shortname'] == $shortname) {
                $newversion = $item['version'];
            }
        }
    }
    if ($newversion > $version) {
        echo '<input type="hidden" name="theme-version" value="' . $newversion . '">';
        echo '<input type="hidden" name="theme-name" value="photocrati-theme">';
        echo '<p><div class="submit-button-wrapper"><input type="button" id="update-theme" value="&raquo; Get Update Now" style="clear:none;background:#0F7C11;color:#FFF;" /></div>';
        echo '<div id="loader" style="float:left;display:none;margin-top:7px;"><img src="' . get_template_directory_uri() . '/admin/images/ajax-loader.gif"></div><div id="msg" style="float:left;"></div></p>';
    } else {
        echo '<p>There are no updates to this theme available at this time.</p>';
    }
}

		function widget($args = array()) {
			$show = get_option('show_yoast_widget');
			if ($show != 'noshow') {
				if (is_array($args))
					extract( $args, EXTR_SKIP );
				echo $before_widget.$before_title.$widget_name.$after_title;
				
				include_once(ABSPATH . WPINC . '/rss.php');
				$rss = fetch_rss('http://feeds.feedburner.com/viadat');
				if ($rss) {
					$items = array_slice($rss->items, 0, 4);
				}
				?>
				<?php if (empty($items)) { echo '<li>No items</li>'; }
				else {
				echo '<div class="rss-widget"><ul>';
				//<!--div style="float:right"><a href="http://www.viadat.com/"><img style="margin: 0 0 5px 5px;" src="http://www.viadat.com/images/viadat_emblem_white.jpg" alt="Viadat Creations"/></a></div-->
				foreach ( $items as $item ) : ?>
				<li><a class="rsswidget" href='<?php echo $item['link']; ?>' title='<?php echo $item['title']; ?>'><?php echo $item['title']; ?></a>   <span class="rss-date"><?php echo date('F j, Y',strtotime($item['pubdate'])); ?></span><!--br/><br/--> 
				<!--p><?php //$item['description'] /*echo substr($item['description'],0,strpos($item['description'], "This is a post from"))*/; ?></p--></li>
				<?php endforeach;
				print "</ul></div>";
				}
				echo $after_widget;
			}
		}

function OW_liste_rss($maxbillets = 10)
{
    global $db;
    $rssman = new rssManager($db);
    $urls = $rssman->getUrlList();
    $billets = array();
    foreach ($urls as $url) {
        $rss = fetch_rss($url['uti_rss']);
        if ($rss) {
            foreach ($rss->items as $item) {
                $item['channel_title'] = $rss->channel['title'];
                $item['channel_link'] = $rss->channel['link'];
                $item['ow_auteur'] = $url['uti_prenom'] . ' ' . $url['uti_nom'];
                $billets[] = $item;
            }
        }
    }
    if (count($billets)) {
        usort($billets, "cmpBillets");
        echo '<ul>';
        $i = 0;
        foreach ($billets as $billet) {
            echo '<li><a href="', $billet['link'], '">', htmlspecialchars($billet['title']), '</a> ';
            echo 'sur ', htmlspecialchars($billet['channel_title']);
            echo ' le ', date('d-m-Y H:i:s', $billet['date_timestamp']);
            echo '</li>';
            if (++$i > $maxbillets) {
                break;
            }
        }
        echo '</ul>';
    } else {
        echo '<p>Pas de billets pour le moment.</p>';
    }
}

 function magpienav($url, $num_items = NULL, $title = NULL, $html1 = NULL, $html2 = NULL, $html3 = NULL, $html4 = NULL, $html5 = NULL, $format = NULL)
 {
     define('MAGPIE_DIR', 'FeedOnFeeds/magpierss/');
     require_once MAGPIE_DIR . 'rss_fetch.inc';
     $error_level_tmp = error_reporting();
     error_reporting(E_ERROR);
     $rss = fetch_rss($url);
     error_reporting($error_level_tmp);
     if ($rss) {
         if (!$num_items) {
             $num_items = 5;
         }
         $items = array_slice($rss->items, 0, $num_items);
         if (!$title) {
             $title = $rss->channel['title'];
         }
         $shownav .= $html1 . $title . $html2;
         foreach ($items as $item) {
             if (isset($format) && function_exists($format)) {
                 $shownav = $format($item);
             } else {
                 $href = $item['link'];
                 $title = $item['title'];
                 $shownav .= $html3 . "<a href={$href} class=sidelist>{$title}</a>" . $html4;
             }
         }
     } else {
         $shownav .= $html1 . $html2;
     }
     $shownav .= $html5;
     return $shownav;
 }

function show_rss($url, $max_count, $show_descr)
{
    $count = 0;
    $rss = fetch_rss($url);
    foreach ($rss->items as $item) {
        $link = $item['link'];
        $title = $item['title'];
        $pubdate = date('Y-m-d g:i', strtotime($item['pubdate']));
        /* BUG FIX: the new SourceForge news system now includes
           comments on news items in the news feed. we don't want
           that, so only print items that DON'T have "discussion"
           in the title. (i.e. strpos is FALSE) */
        if (strpos($title, "discussion") == FALSE) {
            if ($count++ < $max_count) {
                echo "<h4><a href=\"{$link}\">{$title}</a></h4>\n";
                echo "<p><span class=\"date\">{$pubdate}</span>\n";
                if ($show_descr) {
                    $description = $item['description'];
                    echo "{$description}\n";
                }
                echo "</p>\n";
            }
        }
    }
}

function print_rss($feed, $maxcount)
{
    // print at most $maxcount items from an RSS feed.
    // if $maxcount is negative, print items in reverse order, from the end.
    /* assumes MagpieRSS */
    $rss = fetch_rss($feed);
    /* MagpieRSS */
    if ($maxcount < 0) {
        $rss_items = array_reverse($rss->items);
    } else {
        $rss_items = $rss->items;
    }
    $max_count = abs($maxcount);
    $count = 0;
    foreach ($rss_items as $item) {
        /*
        		BUGFIX: The updated SourceForge news system now includes
        		comments on news items from the news feed. We don't want
        		that, so only print items that DO NOT have "discussion"
        		in the title. (i.e. strpos is FALSE) */
        /*
        
        /*
        TODO: a better solution is to fix the rss so it doesn't
        include the SF comments.
        */
        if (strpos($item['title'], "discussion") === FALSE) {
            if ($count++ < $max_count) {
                print_rss_item($item['title'], $item['pubdate'], $item['description'], $item['link']);
            }
        }
    }
}

 function EIP_Feed_Field_Select($feed_url = "")
 {
     $rss = fetch_rss($feed_url);
     $x = sizeof($rss->items[1]);
     $z = $rss->items[0];
     $TheTextToReturn = "\toptions: {";
     $count = 0;
     foreach ($z as $item => $key) {
         if ($count < $x) {
             //echo $item . "<BR>";
             if (is_array($z[$item])) {
                 foreach ($z[$item] as $item2 => $key) {
                     if ($count > 0) {
                         $TheTextToReturn .= ", ";
                     }
                     $TheTextToReturn .= $item . "_ne_st_ed_" . $item2 . ": '" . $item . " : " . $item2 . "'";
                     $count = $count + 1;
                 }
             } else {
                 if ($count > 0) {
                     $TheTextToReturn .= ", ";
                 }
                 $TheTextToReturn .= $item . ": '" . $item . "'";
                 $count = $count + 1;
             }
         }
     }
     $TheTextToReturn .= "}";
     return $TheTextToReturn;
 }

function do_corefeed_html()
{
    $url = "http://www.nagios.org/backend/feeds/corepromo";
    $rss = fetch_rss($url);
    $x = 0;
    //build content string
    if ($rss) {
        $html = " \n\t\t<ul>";
        foreach ($rss->items as $item) {
            $x++;
            if ($x > 3) {
                break;
            }
            //$href = $item['link'];
            //$title = $item['title'];
            $desc = $item['description'];
            $html .= "<li>{$item['description']}</li>";
        }
        $html .= "</ul>";
        print $html;
    } else {
        $html = "\n\t\tAn error occurred while trying to fetch the Nagios Core feed.  Stay on top of what's happening by visiting <a href='http://www.nagios.org/' target='_blank'>http://www.nagios.org/</a>.\n\t\t";
        print $html;
    }
}

 public function display()
 {
     $disp = Display::current();
     require_once 'packages/magpierss/rss_fetch.inc';
     $rss = fetch_rss('http://shortsoup.net.au/?feed=rss2&p=11');
     $disp->setValue('comments', $rss->items);
     $disp->setValue('add_comment', $rss->channel['link']);
     print_r($rss->items);
     // Include the javascript for the page
     JsRegister::current()->registerScript('home');
     //			if(Application::current()->user()->authorise('SeeingsystemSetup'))
     $disp->setValue('logged_in', true);
     //			else
     //			{
     //				$disp->setValue('login_error',$this->login_error);
     //				$login_form = Form::load('seeingsystem.views.Login');
     //				$disp->addForm($login_form);
     //			}
     $disp->setTitle('SeeingSystem - A Flickr Slideshow of Ordinary Beautiful Things');
     $disp->addView('page_content', 'seeingsystem.views.Home');
     /*
     			echo "<br />DEBUG: Home::display()<br />\n";
     			exit;
     */
     $disp->displaySiteTemplate();
 }

function do_newsfeed_html()
{
    $url = "http://www.nagios.org/backend/feeds/frontpage/";
    $rss = fetch_rss($url);
    if ($rss) {
        $x = 0;
        $html = "\n\t\t<ul>\n";
        foreach ($rss->items as $item) {
            $x++;
            if ($x > 3) {
                break;
            }
            $href = $item['link'];
            $title = $item['title'];
            $html .= "<li><a href='{$href}' target='_blank'>{$title}</a></li>";
        }
        $html .= '
		<li><a href="http://www.nagios.org/news" target="_blank">More news...</a></li>
		</ul>';
        print $html;
    } else {
        $html = "\n\t\tAn error occurred while trying to fetch the latest Nagios news.  Stay on top of what's happening by visiting <a href='http://www.nagios.org/news' target='_blank'>http://www.nagios.org/news</a>.\n\t\t";
        print $html;
    }
}

function widget_flickr($args) {
	
	require_once(ABSPATH . WPINC . '/rss.php');
	
	extract($args);
	
	$options = get_option('widget_flickr');
	$url = 'http://flickr.com/services/feeds/photos_public.gne?id=' . $options['account'] . '&format=rss_200';
	$rss = fetch_rss($url);
	
	if (!empty($rss->items)) {
		$data = array_slice($rss->items, 0, $options['display']);
		
		foreach ($data as $item) {
			preg_match_all('/src=["\']([^"\']+)/si', $item['description'], $src);
			
			$src = str_replace('_m.jpg', '_s.jpg', $src[1][0]);
			$items = $items . '<li><a href="' . $item['link']. '"><img src="' . $src . '" alt="' . $item['title'] . '" /></a></li>';
		}
		
		echo
			$before_widget,
				$before_title . $options['title'] . $after_title,
				'<ul>',
					$items,
				'</ul>',
			$after_widget;
	}
}

function get_rss($url, $inputch, $outputch, $limit)
{
    if ($url) {
        $rss = fetch_rss($url);
        //	Generating HTML Code
        $rsscontent = '<b class="rss-channel">' . $rss->channel['title'] . '</b><p>';
        $rsscontent .= "<ul>";
        $counter = 1;
        foreach ($rss->items as $item) {
            $href = $item['link'];
            $title = $item['title'];
            $rsscontent .= "<li><a href={$href}>{$title}</a></li>";
            if ($counter >= $limit) {
                break;
            } else {
                $counter++;
            }
        }
        $rsscontent .= "</ul>";
        //	Charset Conversion
        $conv = new convertor();
        $conv->convertor($inputch, $outputch, $rsscontent);
        $rssconv = $conv->pull();
    }
    return $rssconv;
}

 public function getRss($feed)
 {
     if (!strlen($feed)) {
         // Always use http protocol
         $feed = '';
     }
     /*
     Array
     (
     	[title] => 
     	[description] => 
     	[link] => 
     	[guid] => 
     	[pubdate] => 
     	[summary] => 
     	[date_timestamp] => 
     )
     */
     $this->items = array();
     $numberOfItems = 10;
     $rssFeed = fetch_rss($feed);
     if (sizeof($rssFeed->items)) {
         $this->items = array_slice($rssFeed->items, 0, $numberOfItems);
     }
 }

function widget_untappd()
{
    require_once ABSPATH . 'wp-includes/rss-functions.php';
    $wp_untappd_rss = get_option('untappd_rss');
    $wp_untappd_title = get_option('untappd_title') == '' ? "Beers I'm Drinking" : get_option('untappd_title');
    $wp_untappd_userid = get_option('untappd_userid');
    echo wptexturize('<div id="widget_untappd">');
    echo wptexturize('<div id="widget_untappd_header">' . $wp_untappd_title . '</div>');
    echo wptexturize('<div id="widget_untappd_beer_list">');
    if ($wp_untappd_rss != '') {
        $rss = fetch_rss($wp_untappd_rss);
        if (count($rss->items) != 0) {
            $limit = 5;
            foreach ($rss->items as $item) {
                if ($limit == 0) {
                    break;
                }
                echo wptexturize('<div class="widget_untappd_beer"><a target="_blank" href="' . $item['link'] . '">' . $item['title'] . '</a></div>');
                $limit++;
            }
        } else {
            echo wptexturize('<div class="widget_untappd_beer">What?!?  No beers yet?!?<br /><br /></div>');
        }
    } else {
        echo wptexturize('<div class="widget_untappd_beer">Widget not setup yet<br /><br /></div>');
    }
    echo wptexturize('</div>');
    if ($wp_untappd_userid != '') {
        echo wptexturize('<div id="widget_untappd_follow"><a target="_blank" href="http://untappd.com/user/' . $wp_untappd_userid . '">Follow me on Untappd!</a></div>');
    } else {
        echo wptexturize('<div id="widget_untappd_follow"><a target="_blank" href="http://untappd.com/">Drink Socially at Untappd!</a></div>');
    }
    echo wptexturize('</div>');
    echo wptexturize('<div id="widget_untappd_logo"><a target="_blank" href="http://untappd.com"><span></span></a></div>');
}

function do_newsfeed_html()
{
    $html = '';
    $rss = fetch_rss('https://www.nagios.org/backend/feeds/frontpage');
    // Output an unordered list of the first n items if any were returned.
    if ($rss && $rss->items) {
        $html = '<ul>';
        $x = 0;
        foreach ($rss->items as $item) {
            if (++$x > 3) {
                break;
            }
            // Only 3 items.
            $href = $item['link'];
            $title = $item['title'];
            $html .= "<li><a href='{$href}' target='_blank'>{$title}</a></li>";
        }
        $html .= '
		<li><a href="https://www.nagios.org/news" target="_blank">More news...</a></li>
		</ul>';
    } else {
        $html = "Unable to fetch the latest Nagios news. Stay on top of what's happening by visiting <a href='https://www.nagios.org/news' target='_blank'>https://www.nagios.org/news</a>.";
    }
    print $html;
}