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run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = new SimpleXMLElement('<root><foo>x</foo></root>'); echo $x->jsonSerialize();
based on pOmAN
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined method SimpleXMLElement::jsonSerialize() in /in/W8j6F:5 Stack trace: #0 {main} thrown in /in/W8j6F on line 5
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Fatal error: Call to undefined method SimpleXMLElement::jsonSerialize() in /in/W8j6F on line 5
Process exited with code 255.