SimpleHtmlDom.php
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<?php
namespace common\helpers;
use common\exts\simplehtmldom\Parser;
define('HDOM_TYPE_ELEMENT', 1);
define('HDOM_TYPE_COMMENT', 2);
define('HDOM_TYPE_TEXT', 3);
define('HDOM_TYPE_ENDTAG', 4);
define('HDOM_TYPE_ROOT', 5);
define('HDOM_TYPE_UNKNOWN', 6);
define('HDOM_QUOTE_DOUBLE', 0);
define('HDOM_QUOTE_SINGLE', 1);
define('HDOM_QUOTE_NO', 3);
define('HDOM_INFO_BEGIN', 0);
define('HDOM_INFO_END', 1);
define('HDOM_INFO_QUOTE', 2);
define('HDOM_INFO_SPACE', 3);
define('HDOM_INFO_TEXT', 4);
define('HDOM_INFO_INNER', 5);
define('HDOM_INFO_OUTER', 6);
define('HDOM_INFO_ENDSPACE',7);
define('DEFAULT_TARGET_CHARSET', 'UTF-8');
define('DEFAULT_BR_TEXT', "\r\n");
define('DEFAULT_SPAN_TEXT', " ");
define('MAX_FILE_SIZE', 600000);
/**
* Class SimpleHtmlDom
* @package app\ht\helpers
*/
class SimpleHtmlDom
{
// get html dom from file
// $maxlen is defined in the code as PHP_STREAM_COPY_ALL which is defined as -1.
public static function fileGetHtml($url, $useIncludePath = false, $context=null, $offset = -1, $maxLen=-1, $lowercase = true, $forceTagsClosed=true, $targetCharset = DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT, $defaultSpanText=DEFAULT_SPAN_TEXT)
{
// We DO force the tags to be terminated.
$dom = new Parser(null, $lowercase, $forceTagsClosed, $targetCharset, $stripRN, $defaultBRText, $defaultSpanText);
// For sourceforge users: uncomment the next line and comment the retreive_url_contents line 2 lines down if it is not already done.
$contents = file_get_contents($url, $useIncludePath, $context, $offset);
// Paperg - use our own mechanism for getting the contents as we want to control the timeout.
//$contents = retrieve_url_contents($url);
if (empty($contents) || strlen($contents) > MAX_FILE_SIZE)
{
return false;
}
// The second parameter can force the selectors to all be lowercase.
$dom->load($contents, $lowercase, $stripRN);
return $dom;
}
// get html dom from string
public static function strGetHtml($str, $lowercase=true, $forceTagsClosed=true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN=true, $defaultBRText=DEFAULT_BR_TEXT, $defaultSpanText=DEFAULT_SPAN_TEXT)
{
$dom = new Parser(null, $lowercase, $forceTagsClosed, $target_charset, $stripRN, $defaultBRText, $defaultSpanText);
if (empty($str) || strlen($str) > MAX_FILE_SIZE)
{
$dom->clear();
return false;
}
$dom->load($str, $lowercase, $stripRN);
return $dom;
}
// dump html dom tree
public static function dumpHtmlTree($node, $showAttr=true, $deep=0)
{
$node->dump($node);
}
}