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<?php 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 echo $key;exit; $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test(); // start class MyClass implements arrayaccess{ public $closure; private $container; public function __construct($test){ $this->closure = function(){ echo 'nearly there! just need to reshuffle the letters now, can set secret too as its not in scope.'; }; $this->closure->bindTo($test); // I dont really understand what this is doing $this->container = array('arraykey1' => 'arraykey2', 'arraykey2' => 'callback'); } public function __toString(){ // Object of class V could not be converted to string; return 'arraykey1'; } // array access stuff below was copied and pasted from http://www.php.net/manual/en/class.arrayaccess.php public function offsetSet($offset, $value) { if (is_null($offset)) { $this->array[] = $value; } else { $this->array[$offset] = $value; } } public function offsetExists($offset) { return isset($this->array[$offset]); } public function offsetUnset($offset) { unset($this->array[$offset]); } public function offsetGet($offset) { $offset = (string) $offset; return isset($this->array[$offset]) ? $this->array[$offset] : null; } } $test->callback = new MyClass($test); // end editing here //echo $test->run();
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of MyClass::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/bDg9L on line 64 Deprecated: Return type of MyClass::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/bDg9L on line 70 Deprecated: Return type of MyClass::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/bDg9L on line 57 Deprecated: Return type of MyClass::offsetUnset($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/bDg9L on line 67

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