Online PHP editor | refs for iPpGt

<?php final class CommandId { private $name; private $time; private $hash; public function __construct($name) { $this->time = microtime(true); $this->name = trim($name); $this->hash = hash('crc32', rand(0, $this->time)); if (empty($this->name)) { throw new DomainException('Name must not be empty'); } } public static function fromString($idString) { $parts = explode('_', $idString); if (count($parts) != 3) { throw new DomainException("Unexpected format [$idString]"); } $id = new static($parts[0]); $id->time = floatval($parts[1]); $id->hash = $parts[2]; return $id; } public function name() { return $this->name; } public function time() { return $this->time; } public function equals(self $other) { return ($this == $other); } public function __toString() { return implode('_', [$this->name, $this->time, $this->hash]); } } $one = new CommandId('foo'); $two = CommandId::fromString((string) $one); var_dump($one, $two, $one->equals($two));