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<?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 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: SensitiveValue implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/Yk7kd on line 3 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 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: SensitiveValue implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/Yk7kd on line 3 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 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
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 5.5.24 - 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.
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