1: <?php
 2: namespace Pharborist\Types;
 3: 
 4: use Pharborist\Constants\ConstantNode;
 5: 
 6: /**
 7:  * Base class for TRUE and FALSE.
 8:  *
 9:  * @see TrueNode
10:  * @see FalseNode
11:  */
12: abstract class BooleanNode extends ConstantNode implements ScalarNode {
13:   /**
14:    * Creates a BooleanNode.
15:    *
16:    * @param mixed $boolean
17:    *  The boolean to create. Pass a truthy value for TrueNode, falsy for FalseNode.
18:    *
19:    * @return BooleanNode
20:    */
21:   public static function create($boolean) {
22:     if ($boolean) {
23:       return TrueNode::create();
24:     }
25:     else {
26:       return FalseNode::create();
27:     }
28:   }
29: 
30:   /**
31:    * Returns the boolean value of constant.
32:    *
33:    * @return boolean
34:    */
35:   abstract public function toValue();
36: }
37: