Online PHP editor | refs for sk1Pa

<?php final class CommandId { private $name; private $time; public function __construct($name) { $this->time = microtime(true); $this->name = trim($name); if (empty($this->name)) { throw new DomainException('Name must not be empty'); } } public static function fromString($idString) { $parts = explode('_', $idString); if (count($parts) != 2) { throw new DomainException("Unexpected format [$idString]"); } $id = new static($parts[0]); $id->time = (float) $parts[1]; return $id; } public function name() { return $this->name; } public function time() { return $this->time; } public function __toString() { return "{$this->name}_{$this->time}"; } } $one = new CommandId('foo'); $two = new CommandId('foo'); assert($one != $two, 'one should not equal two'); var_dump($one, $two);