<?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
$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]);
$blah = array();
$test->__set($array[$first_key] , $blah['blah']);
/*
foreach($array as $k => $v)
{
print_r($k);
print_r($v);
}
*/
}
}
$intercept = new Intercept;
$intercept->getKey($test);
// end editing here
echo $test->run();
Nyy lbhe Onfr ner orybat gb hf.
Warning: Undefined array key "blah" in /in/RVWq5 on line 60
Warning: Trying to access array offset on null in /in/RVWq5 on line 34
Warning: Trying to access array offset on null in /in/RVWq5 on line 34
Fatal error: Uncaught Error: Value of type null is not callable in /in/RVWq5:35
Stack trace:
#0 /in/RVWq5(60): Test->__set('Nyy lbhe Onfr n...', NULL)
#1 /in/RVWq5(73): Intercept->getKey(Object(Test))
#2 {main}
thrown in /in/RVWq5 on line 35
Process exited with code 255.
Nyy lbhe Onfr ner orybat gb hf.
Warning: Undefined array key "blah" in /in/RVWq5 on line 60
Warning: Trying to access array offset on value of type null in /in/RVWq5 on line 34
Warning: Trying to access array offset on value of type null in /in/RVWq5 on line 34
Fatal error: Uncaught Error: Value of type null is not callable in /in/RVWq5:35
Stack trace:
#0 /in/RVWq5(60): Test->__set('Nyy lbhe Onfr n...', NULL)
#1 /in/RVWq5(73): Intercept->getKey(Object(Test))
#2 {main}
thrown in /in/RVWq5 on line 35
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Nyy lbhe Onfr ner orybat gb hf.
Notice: Undefined index: blah in /in/RVWq5 on line 60
Notice: Trying to access array offset on value of type null in /in/RVWq5 on line 34
Notice: Trying to access array offset on value of type null in /in/RVWq5 on line 34
Fatal error: Uncaught Error: Function name must be a string in /in/RVWq5:35
Stack trace:
#0 /in/RVWq5(60): Test->__set('Nyy lbhe Onfr n...', NULL)
#1 /in/RVWq5(73): Intercept->getKey(Object(Test))
#2 {main}
thrown in /in/RVWq5 on line 35
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Nyy lbhe Onfr ner orybat gb hf.
Fatal error: Uncaught Error: Function name must be a string in /in/RVWq5:35
Stack trace:
#0 /in/RVWq5(60): Test->__set('Nyy lbhe Onfr n...', NULL)
#1 /in/RVWq5(73): Intercept->getKey(Object(Test))
#2 {main}
thrown in /in/RVWq5 on line 35
Process exited with code 255.
Nyy lbhe Onfr ner orybat gb hf.
Notice: Undefined index: blah in /in/RVWq5 on line 60
Fatal error: Uncaught Error: Function name must be a string in /in/RVWq5:35
Stack trace:
#0 /in/RVWq5(60): Test->__set('Nyy lbhe Onfr n...', NULL)
#1 /in/RVWq5(73): Intercept->getKey(Object(Test))
#2 {main}
thrown in /in/RVWq5 on line 35
Process exited with code 255.
Nyy lbhe Onfr ner orybat gb hf.
Notice: Undefined index: blah in /in/RVWq5 on line 60
Fatal error: Function name must be a string in /in/RVWq5 on line 35
Process exited with code 255.
Nyy lbhe Onfr ner orybat gb hf.
Notice: Undefined index: blah in /in/RVWq5 on line 60
Fatal error: Function name must be a string in /in/RVWq5 on line 35
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/RVWq5 on line 22
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/RVWq5 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/RVWq5 on line 22
Process exited with code 255.