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<?php /* Challenge 1: Modify Test::$secret before it's output. Rules:: 1. No use of Reflection API / runkit extension 2. No stopping execution before Test::run() 3. No Exceptions or PHP errors / warnings notices allowed Hints: 1. Caesar 2. Magic methods 3. Requires a new feature of PHP 5.4 */ class Test { private $secret = 'Nyy lbhe Onfr ner orybat gb hf.'; private $callback; final public function run() { call_user_func($this->callback); return $this->secret . PHP_EOL; } public function __set($k, $v) { $key = $v[($v[$v])]; // $v is some kind of weird array $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test; // start editing here $test = (new Test)->__set('secret', 'yeah bro!'); // end editing here echo $test->run();
Output for 7.0.0 - 7.1.0
Warning: Illegal string offset 'yeah bro!' in /in/OAdEN on line 33 Warning: Illegal string offset 'y' in /in/OAdEN on line 33 Fatal error: Uncaught Error: Call to undefined function yeah bro!() in /in/OAdEN:34 Stack trace: #0 /in/OAdEN(45): Test->__set('secret', 'yeah bro!') #1 {main} thrown in /in/OAdEN on line 34
Process exited with code 255.
Output for 5.4.0 - 5.6.21
Warning: Illegal string offset 'yeah bro!' in /in/OAdEN on line 33 Warning: Illegal string offset 'y' in /in/OAdEN on line 33 Fatal error: Call to undefined function yeah bro!() in /in/OAdEN on line 34
Process exited with code 255.
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/OAdEN on line 45
Process exited with code 255.
Output for 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_OBJECT_OPERATOR in <b>/in/OAdEN</b> on line <b>45</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_OBJECT_OPERATOR in <b>/in/OAdEN</b> on line <b>45</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/OAdEN</b> on line <b>21</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/OAdEN</b> on line <b>21</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/OAdEN</b> on line <b>21</b><br />
Process exited with code 255.