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run code in 150+ php & hhvm versions
Bugs & Features
<?php $xml_header = "<?xml version='1.0' encoding='utf-8'?><xml/>"; $xml = new SimpleXMLElement($xml_header); $xml->addChild("first_string","this is &lt;mystring&gt;"); $xml->addChild("second_string","this is &lt; mystring&gt;"); echo "<pre>" . $xml->first_string . "<br />"; // 'this is ' echo $xml->second_string . "</pre>"; // 'this is < mystring>'
Output for 5.1.3 - 5.1.4, 5.1.6 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
<pre>this is <mystring><br />this is < mystring></pre>
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.5
// 'this is < mystring>'<pre>this is <mystring><br />this is < mystring></pre>
Output for 5.1.2
// 'this is < mystring>' Fatal error: Call to undefined method SimpleXMLElement::addChild() in /in/TSDfi on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1
Fatal error: Call to undefined method SimpleXMLElement::addChild() in /in/TSDfi on line 5
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/TSDfi on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.1, 4.4.3 - 4.4.9
Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/TSDfi on line 4
Process exited with code 255.
Output for 4.4.2
// 'this is < mystring>' Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/TSDfi on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/TSDfi on line 4