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run code in 150+ php & hhvm versions
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<?php $obj =json_decode('{"data":{"name":"karla"}}'); $nam = "name"; $str = json_encode($obj->data); echo $str; $arr = json_decode($str,true); echo $obj->$nam; ?>
based on uk3O2
Output for 5.2.6 - 7.1.0
{"name":"karla"} Notice: Undefined property: stdClass::$name in /in/tkqmH on line 7
Output for 5.2.0 - 5.2.5
{"name":"karla"} Notice: Undefined property: stdClass::$name in /in/tkqmH on line 7
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/tkqmH on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/tkqmH on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/tkqmH on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/tkqmH on line 2