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<?php class Maniple_Model { const CAMELIZE = 0; const UNDERSCORE = 1; /** * @param array $data OPTIONAL * @return void */ public function __construct(array $data = null) // {{{ { if ($data) { $this->setFromArray($data); } } // }}} /** * @param array $data * @return Maniple_Model */ public function setFromArray(array $data) // {{{ { foreach ($data as $key => $value) { $this->__set($key, $value, false); } return $this; } // }}} /** * @return array */ public function toArray($keyTransform = self::CAMELIZE) { $array = array(); foreach (get_object_vars($this) as $property) { // include only properties starting with an underscore, // remove the underscore before retrieving property value if ('_' !== $property[0]) { continue; } $property = substr($property, 1); } return $array; } /** * @param string $key * @param mixed $value * @param bool $throw OPTIONAL * @return Maniple_Model * @throws InvalidArgumentException */ protected function _setProperty($key, $value, $throw = true) // {{{ { $key = self::camelize($key); $setter = 'set' . $key; if (method_exists($this, $setter)) { $this->{$setter}($value); return $this; } $property = '_' . $key; if (property_exists($this, $property)) { $this->{$property} = $value; return $this; } throw new InvalidArgumentException(sprintf('Invalid property: %s', $key)); return false; } // }}} /** * @param string $key * @param bool $throw OPTIONAL * @return mixed * @throws InvalidArgumentException */ protected function _getProperty($key, $throw = true) // {{{ { $key = self::camelize($key); $getter = 'get' . $key; if (method_exists($this, $getter)) { return $this->{$getter}(); } $property = '_' . $key; if (property_exists($this, $property)) { return $this->{$property}; } if ($throw) { throw new InvalidArgumentException(sprintf('Invalid property: %s', $key)); } } // }}} /** * @param string $key * @return bool */ public function has($key) // {{{ { return property_exists($this, '_' . self::camelize($key)); } // }}} /** * @param string $key * @return bool */ public function __isset($key) // {{{ { return isset($this->{'_' . self::camelize($key)}); } // }}} /** * @param string $key * @return mixed * @throws InvalidArgumentException */ public function __get($key) // {{{ { return $this->_getProperty($key, true); } // }}} /** * @param string $key * @param mixed $value * @return void * @throws InvalidArgumentException */ public function __set($key, $value) // {{{ { return $this->_setProperty($key, $value, true); } // }}} /** * Transform given string to camel-case. * * @param string $str * @return string */ public static function camelize($str) // {{{ { if (is_array($str)) { return strtoupper($str[1]); } return preg_replace_callback( '/_(\w)/', array(__CLASS__, __FUNCTION__), (string) $str ); } // }}} /** * Transform given string to underscore separated notation. * * @param string $str * @return string */ public static function underscore($str) { if (is_array($str)) { return $str[1][0] . '_' . strtolower($str[1][1]); } return preg_replace_callback( '/([a-z][A-Z])/', array(__CLASS__, __FUNCTION__), (string) $str ); } /** * @param string $string * @param int $transform * @return string */ public static function transform($string, $transform) // {{{ { switch ($transform) { case self::CAMELIZE: $string = self::camelize($string); break; case self::UNDERSCORE: $string = self::underscore($string); break; } return (string) $string; } // }}} } echo Maniple_Model::camelize('active_record'), "\n"; echo Maniple_Model::camelize('ActiveRecord'), "\n"; echo Maniple_Model::underscore('active_record'), "\n"; echo Maniple_Model::underscore('ActiveRecord'), "\n";