3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html = <<<HTML <form method="post"> <button>Hello</button> </form> HTML; $document = new DOMDocument("1.0", "utf-8"); $f = $document->createDocumentFragment(); $f->appendXML($html); var_dump($f->firstChild);
Output for 8.3.0 - 8.3.4, 8.3.6
object(DOMElement)#3 (27) { ["schemaTypeInfo"]=> NULL ["tagName"]=> string(4) "form" ["className"]=> string(0) "" ["id"]=> string(0) "" ["firstElementChild"]=> string(22) "(object value omitted)" ["lastElementChild"]=> string(22) "(object value omitted)" ["childElementCount"]=> int(1) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(4) "form" ["nodeValue"]=> string(11) " Hello " ["nodeType"]=> int(1) ["parentNode"]=> string(22) "(object value omitted)" ["parentElement"]=> NULL ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> string(22) "(object value omitted)" ["lastChild"]=> string(22) "(object value omitted)" ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["isConnected"]=> bool(false) ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(4) "form" ["baseURI"]=> NULL ["textContent"]=> string(11) " Hello " }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 object(DOMElement)#3 (27) { ["schemaTypeInfo"]=> NULL ["tagName"]=> string(4) "form" ["className"]=> string(0) "" ["id"]=> string(0) "" ["firstElementChild"]=> string(22) "(object value omitted)" ["lastElementChild"]=> string(22) "(object value omitted)" ["childElementCount"]=> int(1) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(4) "form" ["nodeValue"]=> string(11) " Hello " ["nodeType"]=> int(1) ["parentNode"]=> string(22) "(object value omitted)" ["parentElement"]=> NULL ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> string(22) "(object value omitted)" ["lastChild"]=> string(22) "(object value omitted)" ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["isConnected"]=> bool(false) ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(4) "form" ["baseURI"]=> NULL ["textContent"]=> string(11) " Hello " }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
object(DOMElement)#3 (23) { ["schemaTypeInfo"]=> NULL ["tagName"]=> string(4) "form" ["firstElementChild"]=> string(22) "(object value omitted)" ["lastElementChild"]=> string(22) "(object value omitted)" ["childElementCount"]=> int(1) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(4) "form" ["nodeValue"]=> string(11) " Hello " ["nodeType"]=> int(1) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> string(22) "(object value omitted)" ["lastChild"]=> string(22) "(object value omitted)" ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(4) "form" ["baseURI"]=> NULL ["textContent"]=> string(11) " Hello " }
Output for 8.0.0 - 8.0.30
object(DOMElement)#3 (23) { ["tagName"]=> string(4) "form" ["schemaTypeInfo"]=> NULL ["firstElementChild"]=> string(22) "(object value omitted)" ["lastElementChild"]=> string(22) "(object value omitted)" ["childElementCount"]=> int(1) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(4) "form" ["nodeValue"]=> string(11) " Hello " ["nodeType"]=> int(1) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> string(22) "(object value omitted)" ["lastChild"]=> string(22) "(object value omitted)" ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(4) "form" ["baseURI"]=> NULL ["textContent"]=> string(11) " Hello " }
Output for 7.0.16 - 7.0.20, 7.1.2 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
object(DOMElement)#3 (18) { ["tagName"]=> string(4) "form" ["schemaTypeInfo"]=> NULL ["nodeName"]=> string(4) "form" ["nodeValue"]=> string(11) " Hello " ["nodeType"]=> int(1) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> string(22) "(object value omitted)" ["lastChild"]=> string(22) "(object value omitted)" ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(4) "form" ["baseURI"]=> NULL ["textContent"]=> string(11) " Hello " }
Output for 7.0.0 - 7.0.15, 7.1.0 - 7.1.1
object(DOMElement)#3 (17) { ["tagName"]=> string(4) "form" ["schemaTypeInfo"]=> NULL ["nodeName"]=> string(4) "form" ["nodeValue"]=> string(11) " Hello " ["nodeType"]=> int(1) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> string(22) "(object value omitted)" ["lastChild"]=> string(22) "(object value omitted)" ["previousSibling"]=> NULL ["attributes"]=> string(22) "(object value omitted)" ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(4) "form" ["baseURI"]=> NULL ["textContent"]=> string(11) " Hello " }

preferences:
140.03 ms | 403 KiB | 173 Q