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- 06.01.2017
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Comparator.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Finder\Comparator;
13
14 /**
15 * Comparator.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 */
19 class Comparator
20 {
21 private $target;
22 private $operator = '==';
23
24 /**
25 * Gets the target value.
26 *
27 * @return string The target value
28 */
29 public function getTarget()
30 {
31 return $this->target;
32 }
33
34 /**
35 * Sets the target value.
36 *
37 * @param string $target The target value
38 */
39 public function setTarget($target)
40 {
41 $this->target = $target;
42 }
43
44 /**
45 * Gets the comparison operator.
46 *
47 * @return string The operator
48 */
49 public function getOperator()
50 {
51 return $this->operator;
52 }
53
54 /**
55 * Sets the comparison operator.
56 *
57 * @param string $operator A valid operator
58 *
59 * @throws \InvalidArgumentException
60 */
61 public function setOperator($operator)
62 {
63 if (!$operator) {
64 $operator = '==';
65 }
66
67 if (!in_array($operator, array('>', '<', '>=', '<=', '==', '!='))) {
68 throw new \InvalidArgumentException(sprintf('Invalid operator "%s".', $operator));
69 }
70
71 $this->operator = $operator;
72 }
73
74 /**
75 * Tests against the target.
76 *
77 * @param mixed $test A test value
78 *
79 * @return bool
80 */
81 public function test($test)
82 {
83 switch ($this->operator) {
84 case '>':
85 return $test > $this->target;
86 case '>=':
87 return $test >= $this->target;
88 case '<':
89 return $test < $this->target;
90 case '<=':
91 return $test <= $this->target;
92 case '!=':
93 return $test != $this->target;
94 }
95
96 return $test == $this->target;
97 }
98 }
99