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[BridgeAbstract] Add getSimpleHTMLDOMCached

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This function is a copy of the get_cached function from
HttpCachingBridgeAbstract, adding all parameters of
getSimpleHTMLDOM in order to replace the need of
HttpCachingBridgeAbstract entirely
This commit is contained in:
logmanoriginal 2016-09-10 19:04:01 +02:00
parent a726f73afe
commit 9f2dd48684
1 changed files with 56 additions and 0 deletions
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56
lib/BridgeAbstract.php
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@ -386,4 +386,60 @@ abstract class BridgeAbstract implements BridgeInterface {
, $defaultBRText
, $defaultSpanText);
}
/**
* Maintain locally cached versions of pages to avoid multiple downloads.
* @param url url to cache
* @param duration duration of the cache file in seconds (default: 24h/86400s)
* @return content of the file as string
*/
public function getSimpleHTMLDOMCached($url
, $duration = 86400
, $use_include_path = false
, $context = null
, $offset = 0
, $maxLen = null
, $lowercase = true
, $forceTagsClosed = true
, $target_charset = DEFAULT_TARGET_CHARSET
, $stripRN = true
, $defaultBRText = DEFAULT_BR_TEXT
, $defaultSpanText = DEFAULT_SPAN_TEXT){
$this->debugMessage('Caching url ' . $url . ', duration ' . $duration);
$filepath = __DIR__ . '/../cache/pages/' . sha1($url) . '.cache';
$this->debugMessage('Cache file ' . $filepath);
if(file_exists($filepath) && filectime($filepath) < time() - $duration){
unlink ($filepath);
$this->debugMessage('Cached file deleted: ' . $filepath);
}
if(file_exists($filepath)){
$this->debugMessage('Loading cached file ' . $filepath);
touch($filepath);
$content = file_get_contents($filepath);
} else {
$this->debugMessage('Caching ' . $url . ' to ' . $filepath);
$dir = substr($filepath, 0, strrpos($filepath, '/'));
if(!is_dir($dir)){
$this->debugMessage('Creating directory ' . $dir);
mkdir($dir, 0777, true);
}
$content = $this->getContents($url, $use_include_path, $context, $offset, $maxLen);
if($content !== false){
file_put_contents($filepath, $content);
}
}
return str_get_html($content
, $lowercase
, $forceTagsClosed
, $target_charset
, $stripRN
, $defaultBRText
, $defaultSpanText);
}
}