if (!isset($elements)) {
$elements = 2;
}
// Get just the text (no markup) from a node using $node->textContent.
// Compare the textContent value to the one returned by $node->nodeValue.
libxml_use_internal_errors(true);
$dom = new DomDocument();
$dom->preserveWhiteSpace = false;
$dom->loadHTML('<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body>' . $this->Body . '</body></html>');
$dom->normalize();
$nodes = $dom->getElementsByTagName("body")->item(0)->childNodes;
$elementCount = 0;
$this->preview = '';
foreach ($nodes as $node) {
if ($node->nodeType === XML_ELEMENT_NODE) {
$this->preview .= $dom->saveXML($node);
$elementCount++;
if ($elementCount === $elements) {
break;
}
}
}
// Carriage returns in the XML prevent the markup from validating. -- cwells
$this->preview = str_replace(' ', '', $this->preview);
}
return $this->preview;
}
}
/* Database mappings: instantiated outside the class definition because they're static. */
BlogPost::addDatabaseMapping('Tags', new DatabaseMapping(DatabaseMapping::ManyToMany, 'ID', 'BlogPost_Tag.BlogPostID', array(new DatabaseMapping(DatabaseMapping::ManyToMany, 'BlogPost_Tag.TagID', 'Tag.ID'))));
