getting all values from h1 tags using php

Question

I want to receive an array that contains all the h1 tag values from a text

Example, if this where the given input string:

hello
         


        

Answer 1

function getTextBetweenTags($string, $tagname){
    $d = new DOMDocument();
    $d->loadHTML($string);
    $return = array();
    foreach($d->getElementsByTagName($tagname) as $item){
        $return[] = $item->textContent;
    }
    return $return;
}