PHP7 Specification

Behavioral/Specification/OrSpecification.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace DesignPatterns\Behavioral\Specification;
+
+class OrSpecification implements SpecificationInterface
+{
+    /**
+     * @var SpecificationInterface[]
+     */
+    private $specifications;
+
+    /**
+     * @param SpecificationInterface[] ...$specifications
+     */
+    public function __construct(SpecificationInterface ...$specifications)
+    {
+        $this->specifications = $specifications;
+    }
+
+    public function isSatisfiedBy(Item $item): bool
+    {
+        $satisfied = [];
+
+        foreach ($this->specifications as $specification) {
+            $satisfied[] = $specification->isSatisfiedBy($item);
+        }
+
+        return in_array(true, $satisfied);
+    }
+}