| <html> | |
| <body> | |
| <h1>Reading List</h1> | |
| <?php | |
| class opmule { | |
| //You've got to have a file in this same directory called "_cache" - I'm going to store a cache of the OPML in there | |
| var $basefilepath; | |
| var $baseuripath; | |
| var $relpath; | |
| var $localbasefilepath; | |
| var $mainID; | |
| var $maxAge =14400; | |
| var $errors = array(); | |
| var $debuginfo; | |
| var $_cachefile; | |
| var $xml; | |
| function opmule ($basefilepath = NULL, $baseuripath = NULL, $relpath = NULL, $localbasefilepath = NULL) { // Constructor | |
| /* The user may pass the path parameters if for some reason the | |
| autodiscovery in this function does not work (such as Aliased directories) */ | |
| $this->basefilepath = $basefilepath ? $basefilepath : $_SERVER['DOCUMENT_ROOT']; | |
| $this->baseuripath = $baseuripath ? $baseuripath : 'http://'.$_SERVER['SERVER_NAME']; | |
| if ($relpath) | |
| $this->relpath = $relpath; | |
| else | |
| $this->relpath = str_replace($this->basefilepath, '', dirname(__FILE__)) ? str_replace($this->basefilepath, '', dirname(__FILE__)) : ''; | |
| if ($localbasefilepath) | |
| $this->localbasefilepath = $localbasefilepath; | |
| else | |
| $this->localbasefilepath = $this->basefilepath; | |
| } | |
| function _error_messages () { | |
| foreach ($this->errors as $msg) { | |
| $errors .= '<li class="outlineItemErrors">'.$msg.'</li>'; | |
| } | |
| return $errors; | |
| } | |
| function url_decode_no_spaces ($url) { | |
| $url = html_entity_decode(urldecode($url)); | |
| $url = str_replace( ' ', '%20', $url); | |
| return ($url); | |
| } | |
| function _fetch_file ($url, $flIsLocal = FALSE) { | |
| if ($flIsLocal) { | |
| return file_get_contents($url); | |
| } | |
| elseif (function_exists('curl_init')) { | |
| // We have curl | |
| $curl_handle=curl_init(); | |
| curl_setopt($curl_handle,CURLOPT_URL,$url); | |
| curl_setopt($curl_handle,CURLOPT_USERAGENT,"Optimal/0.4"); | |
| curl_setopt($curl_handle,CURLOPT_CONNECTTIMEOUT,10); | |
| curl_setopt($curl_handle,CURLOPT_RETURNTRANSFER,1); | |
| curl_setopt($curl_handle,CURLOPT_FOLLOWLOCATION, TRUE); | |
| curl_setopt($curl_handle,CURLOPT_MAXREDIRS,2); | |
| $xml = curl_exec($curl_handle); | |
| curl_close($curl_handle); | |
| } | |
| elseif (ini_get(allow_url_fopen)) { | |
| // We have allow_url_fopen | |
| $xml = @file_get_contents($url); | |
| } | |
| else { | |
| $this->errors[] = "Error: Your PHP installation must have either CURL or allow_url_fopen to use Optimal"; | |
| return false; | |
| } | |
| // Write non-local, non-cached xml to the cachefile | |
| $handle = fopen($this->_cachefile,'w'); | |
| fwrite($handle,$xml); | |
| fclose($handle); | |
| return $xml; | |
| } // End function _fetch_file | |
| function getOPML($url){ | |
| // You can use locally stored files that are under your server's root | |
| // document folder by specifying a relative local path | |
| if (strpos($url, '/') === 0) { # a relative local path | |
| $flIsLocal = TRUE; | |
| } else { | |
| $flIsLocal = FALSE; | |
| } | |
| $this->_cachefile = $this->basefilepath.$this->relpath.'/_cache/'.md5($url).'.'.strtolower($type).'.xml'; | |
| $this->debuginfo = "<br/>$type URL: <a href=\"$url\">$url</a><br/>\nCache file: "; | |
| $this->debuginfo .= $this->_cachefile ? '<a href="'.$this->baseuripath.$this->relpath.'/_cache/'.basename($this->_cachefile).'">'.basename($this->_cachefile).'</a>' : "None"; | |
| $this->debuginfo .= "<br/>\n"; | |
| // Get file contents | |
| if ($flIsLocal) { | |
| // We are rendering a local file | |
| $this->xml = $this->_fetch_file($this->localbasefilepath.$url, TRUE); | |
| } elseif ( (!$flForceRefresh) && file_exists($this->_cachefile) && ( filesize($this->_cachefile) > 0 ) && ( filemtime($this->_cachefile) > ( time() - $maxAge ) ) ) { | |
| // We have a local, non-empty, recent copy, so use it | |
| $this->xml = $this->_fetch_file($this->_cachefile, TRUE); | |
| } else { | |
| $this->xml = $this->_fetch_file($url); | |
| if (empty($this->xml) && file_exists($this->_cachefile)) { // Use a local cachefile as fallback if the remote fetch fails | |
| $this->xml = $this->_fetch_file($this->_cachefile, TRUE); | |
| $xmlIsCached = TRUE; | |
| } | |
| } | |
| if (empty($this->xml)) { | |
| $this->errors[] = "Error reading $type file.$this->debuginfo"; | |
| return $this->_error_messages(); | |
| } | |
| }//end getOPML | |
| function encaseIn($elm, $attribs, $text){ | |
| $result =''; | |
| $result .= '<'.$elm.' '.$attribs.' >'; | |
| $result .= $text; | |
| $result .= '</'.$elm.'>'; | |
| return $result; | |
| } | |
| function displayChildrenRecursive($xmlObj,$depth=1) { | |
| $result = ''; | |
| if (count($xmlObj->children()) > 0) { | |
| $result .= str_repeat("\t",$depth).'<ul class="opmlGroup">'."\n"; | |
| } | |
| foreach($xmlObj->children() as $child) { | |
| $result .= str_repeat("\t",$depth).'<li>'; | |
| if (isset($child['htmlUrl'])) { | |
| $result .= '<a href="'.htmlentities($child['htmlUrl']). '" title="'.htmlentities($child['description']).'">'; | |
| } | |
| else{ | |
| $result .= '<h'.($depth+1).'>'; | |
| } | |
| if(isset($child['text'])){ | |
| $result .= htmlentities($child['text']); | |
| } | |
| if(isset($child['title'])){ | |
| $result .= htmlentities($child['title']); | |
| } | |
| if (isset($child['htmlUrl'])) { | |
| $result .= '</a>'; | |
| } | |
| else{ | |
| $result .= '</h'.($depth+1).'>'; | |
| } | |
| if (isset($child['xmlUrl'])){ | |
| $result .= ' [<a href="' . htmlentities($child['xmlUrl']) . '">XML Feed</a>]'; | |
| } | |
| $result .="</li> \n"; | |
| $result .= $this->displayChildrenRecursive($child,$depth+1); | |
| } | |
| if (count($xmlObj->children()) > 0) { | |
| $result .= str_repeat("\t",$depth).'</ul>'."\n"; | |
| if ($depth > 1) { echo str_repeat("\t",$depth-1).'</li>'."\n"; } | |
| } | |
| return $result; | |
| }//end displayChildrenRecursive | |
| function displayOPML($url){ | |
| $this->getOPML($url); | |
| $opmlFile = new SimpleXMLElement($this->_cachefile ,null,true); | |
| return $this->displayChildrenRecursive($opmlFile->body); | |
| }//end displayOPML | |
| } | |
| $pml = new opmule(); | |
| echo $pml->displayOPML('http://morelightmorelight.com/tiny/opml.php?op=publish&key=fb2c26edd2f69d8c57f0ad852fdf98e8a95726e6'); | |
| ?> | |
| </body> | |
| </html> |
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