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run code in 200+ php & hhvm versions
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<?php $o = json_decode("{}");//new stdClass; $id = -99; $a = array('id' => $id, 'name' => 'bill'); $o->$id = $a; eval('$b = ' . var_export($o, true) . ';'); print_r($b);
Output for 7.3.0beta1 - 7.3.0rc4
stdClass Object ( [-99] => Array ( [id] => -99 [name] => bill ) )
Output for 7.0.0 - 7.3.0alpha1
Fatal error: Uncaught Error: Call to undefined method stdClass::__set_state() in /in/ZdiN7(7) : eval()'d code:1 Stack trace: #0 /in/ZdiN7(7): eval() #1 {main} thrown in /in/ZdiN7(7) : eval()'d code on line 1
Process exited with code 255.
Output for 5.2.0 - 5.6.28
Fatal error: Call to undefined method stdClass::__set_state() in /in/ZdiN7(7) : eval()'d code on line 1
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/ZdiN7 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/ZdiN7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/ZdiN7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/ZdiN7 on line 3