1: <?php
 2: 
 3: class CssProperties {
 4: 
 5:     /**
 6:      *
 7:      * @var array
 8:      */
 9:     private $properties;
10: 
11:     /**
12:      * 
13:      * @param array $properties
14:      */
15:     public function __construct($properties) {
16:         $this->properties = $properties;
17:     }
18: 
19:     /**
20:      * 
21:      * @param mixed $selectors String or array
22:      * @return string
23:      */
24:     public function build($selectors, $pseudoClass = false) {
25:         $b = $this->_selectors($selectors, $pseudoClass) . " {\n";
26:         foreach ($this->properties as $name => $value) {
27:             $b .= $this->_buildProperty($name, $value);
28:         }
29:         $b .= "}\n";
30: 
31:         return $b;
32:     }
33:     
34:     /**
35:      * 
36:      * @param CssProperties $otherProperties
37:      * @return CssProperties
38:      */
39:     public function add(CssProperties $otherProperties) {
40:         return new CssProperties(
41:                 array_merge(
42:                         $this->properties
43:                         , $otherProperties->properties
44:                 )
45:         );
46:     }
47: 
48:     private function _selectors($selectors, $pseudoClass) {
49:         if (!is_array($selectors)) {
50:             $selectors = explode(',', $selectors);
51:         }
52: 
53:         $b = array();
54:         foreach ($selectors as $selector) {
55:             $s = trim($selector);
56:             if ($pseudoClass) {
57:                 $s .= ':' . $pseudoClass;
58:             }
59:             $b[] = $s;
60:         }
61:         return implode(', ', $b);
62:     }
63: 
64:     /**
65:      * 
66:      * @param string $name
67:      * @param mixed $value String or array.
68:      * @return string
69:      */
70:     private function _buildProperty($name, $value) {
71:         $value = ArrayUtil::arraylize($value);
72: 
73:         $b = '';
74:         foreach ($value as $v) {
75:             $b .= "\t$name: $v;\n";
76:         }
77:         return $b;
78:     }
79: 
80: }