Open html file to get content inside the tags

html_tags_to_text.php

<?php
    $file 		= 'index.html';
		$handle 	= @fopen($file, "r");
		$content 	= '';
		if ($handle) {
			while (!feof($handle)) {
				$buffer = fgetss($handle, 4096);
				$content .= $buffer;
			}
			fclose($handle);
		}

		$pieces = explode('(What is this?)',$content);
		var_dump($pieces);