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run code in 300+ PHP versions simultaneously
<?php function lol() { $doc = new DOMDocument(); $comment = new DOMComment("asdf"); $doc->appendChild($comment); return $comment; } $a = lol(); $b = new DOMComment("meh"); $a->insertBefore($b); var_dump($a);
Output for 8.3.0 - 8.3.4
object(DOMComment)#2 (22) { ["data"]=> string(4) "asdf" ["length"]=> int(4) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(8) "#comment" ["nodeValue"]=> string(4) "asdf" ["nodeType"]=> int(8) ["parentNode"]=> string(22) "(object value omitted)" ["parentElement"]=> NULL ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> NULL ["lastChild"]=> NULL ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> NULL ["isConnected"]=> bool(true) ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> NULL ["baseURI"]=> NULL ["textContent"]=> string(4) "asdf" }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17
object(DOMComment)#2 (20) { ["data"]=> string(4) "asdf" ["length"]=> int(4) ["previousElementSibling"]=> NULL ["nextElementSibling"]=> NULL ["nodeName"]=> string(8) "#comment" ["nodeValue"]=> string(4) "asdf" ["nodeType"]=> int(8) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> NULL ["lastChild"]=> NULL ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> NULL ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> NULL ["baseURI"]=> NULL ["textContent"]=> string(4) "asdf" }
Output for 7.3.16 - 7.3.33, 7.4.4 - 7.4.33
object(DOMComment)#2 (18) { ["data"]=> string(4) "asdf" ["length"]=> int(4) ["nodeName"]=> string(8) "#comment" ["nodeValue"]=> string(4) "asdf" ["nodeType"]=> int(8) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> NULL ["lastChild"]=> NULL ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> NULL ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> NULL ["baseURI"]=> NULL ["textContent"]=> string(4) "asdf" }
Output for 7.0.20, 7.1.5 - 7.1.20, 7.2.0 - 7.2.33, 7.4.0 - 7.4.3
object(DOMComment)#2 (18) { ["data"]=> string(4) "asdf" ["length"]=> int(4) ["nodeName"]=> string(8) "#comment" ["nodeValue"]=> string(4) "asdf" ["nodeType"]=> int(8) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> NULL ["firstChild"]=> NULL ["lastChild"]=> NULL ["previousSibling"]=> NULL ["nextSibling"]=> NULL ["attributes"]=> NULL ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> NULL ["baseURI"]=> NULL ["textContent"]=> string(4) "asdf" }
Output for 5.3.11 - 5.3.29, 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.14, 7.1.0
object(DOMComment)#2 (17) { ["data"]=> string(4) "asdf" ["length"]=> int(4) ["nodeName"]=> string(8) "#comment" ["nodeValue"]=> string(4) "asdf" ["nodeType"]=> int(8) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> NULL ["firstChild"]=> NULL ["lastChild"]=> NULL ["previousSibling"]=> NULL ["attributes"]=> NULL ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> NULL ["baseURI"]=> NULL ["textContent"]=> string(4) "asdf" }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.10, 5.4.0
object(DOMComment)#2 (0) { }
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: domdocument in /in/eJOrT on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: domdocument in /in/eJOrT on line 4

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