<?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;
}
}
$test = new Test;
// start editing here
class A implements ArrayAccess {
public function __call($name, $args){
return function(){
echo "HELLO WORLD";
};
}
public function offsetSet($offset, $value) {}
public function offsetExists($offset) { return true; }
public function offsetUnset($offset) {}
public function offsetGet($offset) {
return $this;
}
}
$test->foo = new A;
// end editing here
echo $test->run();
Deprecated: Return type of A::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/g2jDH on line 60
Deprecated: Return type of A::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/g2jDH on line 62
Deprecated: Return type of A::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/g2jDH on line 59
Deprecated: Return type of A::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/g2jDH on line 61
Fatal error: Uncaught Error: Object of type A is not callable in /in/g2jDH:34
Stack trace:
#0 /in/g2jDH(68): Test->__set('foo', Object(A))
#1 {main}
thrown in /in/g2jDH on line 34
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught Error: Object of type A is not callable in /in/g2jDH:34
Stack trace:
#0 /in/g2jDH(68): Test->__set('foo', Object(A))
#1 {main}
thrown in /in/g2jDH on line 34
Process exited with code 255.
Fatal error: Uncaught Error: Function name must be a string in /in/g2jDH:34
Stack trace:
#0 /in/g2jDH(68): Test->__set('foo', Object(A))
#1 {main}
thrown in /in/g2jDH on line 34
Process exited with code 255.
Fatal error: Function name must be a string in /in/g2jDH on line 34
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/g2jDH on line 48
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/g2jDH on line 48
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/g2jDH on line 21
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/g2jDH on line 21
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/g2jDH on line 21
Process exited with code 255.