5 * Copyright (c) 2002-2009, Sebastian Bergmann <sb@sebastian-bergmann.de>.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * * Neither the name of Sebastian Bergmann nor the names of his
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
27 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
28 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
30 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
31 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
34 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
39 * @author Sebastian Bergmann <sb@sebastian-bergmann.de>
40 * @copyright 2002-2009 Sebastian Bergmann <sb@sebastian-bergmann.de>
41 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
43 * @link http://www.phpunit.de/
44 * @since File available since Release 2.3.0
47 require_once 'IMoney.php';
54 * @author Sebastian Bergmann <sb@sebastian-bergmann.de>
55 * @copyright 2002-2009 Sebastian Bergmann <sb@sebastian-bergmann.de>
56 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
57 * @version Release: 3.3.17
58 * @link http://www.phpunit.de/
59 * @since Class available since Release 2.3.0
61 class Money implements IMoney
66 public function __construct($amount, $currency)
68 $this->fAmount = $amount;
69 $this->fCurrency = $currency;
72 public function add(IMoney $m)
74 return $m->addMoney($this);
77 public function addMoney(Money $m)
79 if ($this->currency() == $m->currency()) {
80 return new Money($this->amount() + $m->amount(), $this->currency());
83 return MoneyBag::create($this, $m);
86 public function addMoneyBag(MoneyBag $s)
88 return $s->addMoney($this);
91 public function amount()
93 return $this->fAmount;
96 public function currency()
98 return $this->fCurrency;
101 public function equals($anObject)
103 if ($this->isZero() &&
104 $anObject instanceof IMoney) {
105 return $anObject->isZero();
108 if ($anObject instanceof Money) {
109 return ($this->currency() == $anObject->currency() &&
110 $this->amount() == $anObject->amount());
116 public function hashCode()
118 return crc32($this->fCurrency) + $this->fAmount;
121 public function isZero()
123 return $this->amount() == 0;
126 public function multiply($factor)
128 return new Money($this->amount() * $factor, $this->currency());
131 public function negate()
133 return new Money(-1 * $this->amount(), $this->currency());
136 public function subtract(IMoney $m)
138 return $this->add($m->negate());
141 public function toString()
143 return '[' . $this->amount() . ' ' . $this->currency() . ']';
146 public function appendTo(MoneyBag $m)
148 $m->appendMoney($this);