PHP Function to Get Array of HTML Elements from HTML

The function uses Document Object Model to get array of HTML elements of any particular tag element from the HTML. You can also get values from specific tags that have particular attribute and value.

Function Definition

public static function getHtmlByDOM($html, $element, $attrchk='class', $ca=NULL)
 {
 $html = mb_convert_encoding($html, "HTML-ENTITIES", 'UTF-8');
 
 $dom = new domDocument;
 $dom->preserveWhiteSpace = false;
 $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
 
 $contents = $dom->getElementsByTagName($element); // Array of Content
 
 foreach($contents as $content)
 {
 if ($ca != NULL && $content->getAttribute($attrchk) == $ca)
 {
 $html_arr[] = $dom->saveHtml($content);
 }
 else if ($ca == NULL)
 {
 $html_arr[] = $dom->saveHTML($content);
 }
 }
 return $html_arr;
 }