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<?php /* Challenge 1: Read and write to 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 4. No redefining $test 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 $this->testy = $key; $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test; // start editing here class Intercept { public function getKey($test) { $array = (array) $test; reset($array); $first_key = key($array); print_r($array[$first_key]); $v = array(); $blah = $v[($v[0])]; $blah[0] = 'blah'; $test->__set($array[$first_key] , $blah[0]['blah']); /* foreach($array as $k => $v) { print_r($k); print_r($v); } */ } } $intercept = new Intercept; $intercept->getKey($test); // end editing here echo $test->run();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Nyy lbhe Onfr ner orybat gb hf. Warning: Undefined array key 0 in /in/cYTjb on line 64 Warning: Undefined array key "" in /in/cYTjb on line 64 Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/cYTjb:67 Stack trace: #0 /in/cYTjb(80): Intercept->getKey(Object(Test)) #1 {main} thrown in /in/cYTjb on line 67
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Nyy lbhe Onfr ner orybat gb hf. Notice: Undefined offset: 0 in /in/cYTjb on line 64 Notice: Undefined index: in /in/cYTjb on line 64 Warning: Illegal string offset 'blah' in /in/cYTjb on line 67 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Fatal error: Uncaught Error: Call to undefined function b() in /in/cYTjb:38 Stack trace: #0 /in/cYTjb(37): Test->__set('testy', 'b') #1 /in/cYTjb(67): Test->__set('Nyy lbhe Onfr n...', 'b') #2 /in/cYTjb(80): Intercept->getKey(Object(Test)) #3 {main} thrown in /in/cYTjb on line 38
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Nyy lbhe Onfr ner orybat gb hf. Warning: Illegal string offset 'blah' in /in/cYTjb on line 67 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Fatal error: Uncaught Error: Call to undefined function b() in /in/cYTjb:38 Stack trace: #0 /in/cYTjb(37): Test->__set('testy', 'b') #1 /in/cYTjb(67): Test->__set('Nyy lbhe Onfr n...', 'b') #2 /in/cYTjb(80): Intercept->getKey(Object(Test)) #3 {main} thrown in /in/cYTjb on line 38
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Nyy lbhe Onfr ner orybat gb hf. Notice: Undefined offset: 0 in /in/cYTjb on line 64 Notice: Undefined index: in /in/cYTjb on line 64 Warning: Illegal string offset 'blah' in /in/cYTjb on line 67 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Warning: Illegal string offset 'b' in /in/cYTjb on line 36 Fatal error: Call to undefined function b() in /in/cYTjb on line 38
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Nyy lbhe Onfr ner orybat gb hf. Notice: Undefined offset: 0 in /in/cYTjb on line 64 Notice: Undefined index: in /in/cYTjb on line 64 Fatal error: Call to undefined function b() in /in/cYTjb on line 38
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Nyy lbhe Onfr ner orybat gb hf. Notice: Undefined offset: 0 in /in/cYTjb on line 64 Notice: Undefined index: in /in/cYTjb on line 64 Fatal error: Call to undefined function b() in /in/cYTjb on line 38
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/cYTjb on line 22
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/cYTjb on line 22
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/cYTjb on line 22
Process exited with code 255.
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