1: <?php
 2: namespace Peridot\Leo\Matcher;
 3: 
 4: use Peridot\Leo\Matcher\Template\ArrayTemplate;
 5: use Peridot\Leo\Matcher\Template\TemplateInterface;
 6: 
 7: /**
 8:  * EmptyMatcher determines if an actual value is empty via the php empty() function.
 9:  * @package Peridot\Leo\Matcher
10:  */
11: class EmptyMatcher extends AbstractMatcher
12: {
13:     public function __construct()
14:     {
15: 
16:     }
17: 
18:     /**
19:      * Determin if the actual value is empty.
20:      *
21:      * @param $actual
22:      * @return mixed
23:      */
24:     protected function doMatch($actual)
25:     {
26:         return empty($actual);
27:     }
28: 
29:     /**
30:      * {@inheritdoc}
31:      *
32:      * @return TemplateInterface
33:      */
34:     public function getDefaultTemplate()
35:     {
36:         return new ArrayTemplate([
37:             'default' => 'Expected {{actual}} to be empty',
38:             'negated' => 'Expected {{actual}} not to be empty'
39:         ]);
40:     }
41: }
42: