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<?php trait Singleton { private static ?object $instance = null; public static function GetInstance(): object { // Reflection better here for Dependency Injection into the instance return self::$instance ?? (self::$instance = new self()); } public function __set(string $property, string $value) { $this->{$property} = $value; } public function __get(string $property): mixed { return $this->{$property} ?? null; } protected function __construct() {} private function __clone() {} } class User { use Singleton; protected function __construct() { // Change this to the select inner join query foreach(['id' => 1, 'column' => 'test', 'points' => 3] as $column => $value) $this->$column = $value; } public function save(): mixed { // Change this to an update query return get_object_vars($this); } } User::getInstance()->points = 5; // Dynamically change values var_dump(User::getInstance()->save()); // Then update
Output for 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Deprecated: Creation of dynamic property User::$id is deprecated in /in/3WrMs on line 13 Deprecated: Creation of dynamic property User::$column is deprecated in /in/3WrMs on line 13 Deprecated: Creation of dynamic property User::$points is deprecated in /in/3WrMs on line 13 array(3) { ["id"]=> string(1) "1" ["column"]=> string(4) "test" ["points"]=> int(5) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Creation of dynamic property User::$id is deprecated in /in/3WrMs on line 13 Deprecated: Creation of dynamic property User::$column is deprecated in /in/3WrMs on line 13 Deprecated: Creation of dynamic property User::$points is deprecated in /in/3WrMs on line 13 array(3) { ["id"]=> string(1) "1" ["column"]=> string(4) "test" ["points"]=> int(5) }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
array(3) { ["id"]=> string(1) "1" ["column"]=> string(4) "test" ["points"]=> int(5) }
Output for 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Return value of User::save() must be an instance of mixed, array returned in /in/3WrMs:36 Stack trace: #0 /in/3WrMs(41): User->save() #1 {main} thrown in /in/3WrMs on line 36
Process exited with code 255.
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '?', expecting function (T_FUNCTION) or const (T_CONST) in /in/3WrMs on line 5
Process exited with code 255.
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