3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $xml = new XMLWriter(); $xml->openMemory(); echo "Does not work" . PHP_EOL; $xml->startElement('parent'); $xml->startElement('child'); $xml->endElement(); $xml2->writeAttribute('parentAttribute', 'a value'); $xml->endElement(); echo $xml->outputMemory() . PHP_EOL; echo "Works" . PHP_EOL; $xml2 = new XMLWriter(); $xml2->openMemory(); $xml2->startElement('parent'); $xml2->writeAttribute('parentAttribute', 'a value'); $xml2->writeElement('child'); $xml2->endElement(); echo $xml2->outputMemory();
based on 4tC1X
Output for 7.0.5 - 7.2.6
Does not work Notice: Undefined variable: xml2 in /in/6ukeb on line 11 Fatal error: Uncaught Error: Call to a member function writeAttribute() on null in /in/6ukeb:11 Stack trace: #0 {main} thrown in /in/6ukeb on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Does not work Notice: Undefined variable: xml2 in /in/6ukeb on line 11 Fatal error: Uncaught Error: Call to a member function writeAttribute() on unknown in /in/6ukeb:11 Stack trace: #0 {main} thrown in /in/6ukeb on line 11
Process exited with code 255.
Output for hhvm-3.15.4
Does not work Notice: Undefined variable: xml2 in /in/6ukeb on line 11 Fatal error: Uncaught exception 'BadMethodCallException' with message 'Call to a member function writeAttribute() on a non-object (null)' in /in/6ukeb:11 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Does not work Notice: Undefined variable: xml2 in /in/6ukeb on line 11 Fatal error: Call to a member function writeAttribute() on null in /in/6ukeb on line 11
Process exited with code 255.