Online PHP editor | rfc for KSEjo

<?php function plaintext_from_HTML($HTML_string) { $document_data = new DOMDocument(); $document_data->loadHTML($HTML_string); return go_through_recursively($document_data->getElementsByTagName('body')[0]); } function go_through_recursively(DomNode $node) { global $buffer; if (!isset($buffer)) $buffer = ''; $node_name = $node->nodeName; $parent_node_name = $node->parentNode->nodeName; $text_contents = $node->textContent; // This is some text content, meaning we are inside an element such as a <p> or <h1>. if ($node_name == '#text') { if ($parent_node_name == 'h1') $buffer .= 'H1: ' . $text_contents . "\n\n"; if ($parent_node_name == 'h2') $buffer .= 'H2: ' . $text_contents . "\n\n"; if ($parent_node_name == 'h3') $buffer .= 'H3: ' . $text_contents . "\n\n"; if ($parent_node_name == 'p') $buffer .= $text_contents . "\n\n"; if ($parent_node_name == 'strong') $buffer .= '**' . $text_contents . '**'; if ($parent_node_name == 'em') $buffer .= '*' . $text_contents . '*'; if ($parent_node_name == 'a') $buffer .= $text_contents . ' ( ' . 'this is supposed to be the URL, but I can\'t figure out how to grab the "href"...' . ' )'; } else // It's an actual element. { if ($node_name == 'br') $buffer .= "\n"; if ($node_name == 'hr') $buffer .= '---------------' . "\n" . "\n"; } if ($node->childNodes) { foreach ($node->childNodes as $node) go_through_recursively($node); } return $buffer; } $HTML_string = ' <h1>Test of h1</h1> <p>This is a p test.</p> <h2>Test of h2</h2> <p>This is a p test with a <strong>strong emphasis</strong> followed by this.</p> <h3>Test of h3</h3> <p>This here is a link: <a href="http://www.example.com/1">Example.com</a>.<br> And this is a linebreak.</p> <p>Another paragraph, followed by a horizontal line:</p> <hr> <p>A final paragraph with <a href="http://www.example.com/2"><em>some emphasis</em> inside a link</a>.</p> '; echo plaintext_from_HTML($HTML_string); /* DESIRED/EXPECTED OUTPUT: H1: Test of h1 This is a p test. H2: Test of h2 This is a p test with a **strong emphasis** followed by this. H3: Test of h3 This here is a link: Example.com ( http://www.example.com/1 ). And this is a linebreak. Another paragraph, followed by a horizontal line: --------------- A final paragraph with *some emphasis* inside a link ( http://www.example.com/2 ). ACTUAL OUTPUT: H1: Test of h1 This is a p test. H2: Test of h2 This is a p test with a **strong emphasis** followed by this. H3: Test of h3 This here is a link: Example.com ( this is supposed to be the URL, but I can't figure out how to grab the "href"... ). And this is a linebreak. Another paragraph, followed by a horizontal line: --------------- A final paragraph with *some emphasis* inside a link ( this is supposed to be the URL, but I can't figure out how to grab the "href"... ). */

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