3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mes = new SimpleXMLElement('<mes></mes>'); $mes->addAttribute('t', 'AddEvent'); $mes->addAttribute('id', 'mes20130827jndohf1iqj'); $ev = $mes->addChild('ev'); $ev->addAttribute('evt', 'MB'); $ev->addAttribute('start', '101042301010'); $ev->addAttribute('src', 'NVV'); echo $mes->asXML();
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?xml version="1.0"?> <mes t="AddEvent" id="mes20130827jndohf1iqj"><ev evt="MB" start="101042301010" src="NVV"/></mes>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
<br /> <b>Fatal error</b>: Call to undefined method SimpleXMLElement::addAttribute() in <b>/in/i64on</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
<br /> <b>Fatal error</b>: Cannot instantiate non-existent class: simplexmlelement in <b>/in/i64on</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Cannot instantiate non-existent class: simplexmlelement in <b>/in/i64on</b> on line <b>3</b><br />
preferences:
218.84 ms | 402 KiB | 360 Q