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Bugs & Features
<?php final class SensitiveValue implements \Serializable { private $value; /** * @param mixed $value */ final public function __construct($value) { $this->value = $value; } /** * @return mixed */ public function peek() { return $this->value; } /** * @return mixed */ public function get() { $value = $this->value; $this->erase(); return $value; } public function erase() { $this->value = null; } /** * {@inheritDoc} */ public function serialize() { return; } /** * {@inheritDoc} */ public function unserialize($serialized) { } /** * {@inheritDoc} */ public function __toString() { return ''; } /** * {@inheritDoc} */ public function __clone() { throw new \Exception('It is not permitted to clone this object.'); } } $value = new SensitiveValue(new \DateTime()); $time = $value->get(); echo $value->get()->format('Y-m-d');
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to a member function format() on null in /in/Yk7kd:65 Stack trace: #0 {main} thrown in /in/Yk7kd on line 65
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Fatal error: Call to a member function format() on null in /in/Yk7kd on line 65
Process exited with code 255.
Output for 5.3.19 - 5.5.35
Fatal error: Call to a member function format() on a non-object in /in/Yk7kd on line 65
Process exited with code 255.