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run code in 200+ php & hhvm versions
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<?php $var = "stdClass(); call_some_dangerous_function(); new std"; eval('$bar = new '.$var.'Class(\'var for __construct()\');');
based on JUZkT
Output for 7.0.0 - 7.2.6
Fatal error: Uncaught Error: Call to undefined function call_some_dangerous_function() in /in/DOBF1(4) : eval()'d code:1 Stack trace: #0 /in/DOBF1(4): eval() #1 {main} thrown in /in/DOBF1(4) : eval()'d code on line 1
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function call_some_dangerous_function() in /in/DOBF1(4) : eval()'d code on line 1
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: call_some_dangerous_function() in /in/DOBF1(4) : eval()'d code on line 1
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: call_some_dangerous_function() in /in/DOBF1(4) : eval()'d code on line 1
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: call_some_dangerous_function() in /in/DOBF1(4) : eval()'d code on line 1