1 files changed, 85 insertions, 0 deletions
diff --git a/lib/facebook-graph-sdk/src/Facebook/GraphNodes/Birthday.php b/lib/facebook-graph-sdk/src/Facebook/GraphNodes/Birthday.php
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+++ b/lib/facebook-graph-sdk/src/Facebook/GraphNodes/Birthday.php
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+<?php
+/**
+ * Copyright 2017 Facebook, Inc.
+ *
+ * You are hereby granted a non-exclusive, worldwide, royalty-free license to
+ * use, copy, modify, and distribute this software in source code or binary
+ * form for use in connection with the web services and APIs provided by
+ * Facebook.
+ *
+ * As with any software that integrates with the Facebook platform, your use
+ * of this software is subject to the Facebook Developer Principles and
+ * Policies [http://developers.facebook.com/policy/]. This copyright notice
+ * shall be included in all copies or substantial portions of the software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+namespace Facebook\GraphNodes;
+
+use DateTime;
+
+/**
+ * Birthday object to handle various Graph return formats
+ *
+ * @package Facebook
+ */
+class Birthday extends DateTime
+{
+    /**
+     * @var bool
+     */
+    private $hasDate = false;
+
+    /**
+     * @var bool
+     */
+    private $hasYear = false;
+
+    /**
+     * Parses Graph birthday format to set indication flags, possible values:
+     *
+     *  MM/DD/YYYY
+     *  MM/DD
+     *  YYYY
+     *
+     * @link https://developers.facebook.com/docs/graph-api/reference/user
+     *
+     * @param string $date
+     */
+    public function __construct($date)
+    {
+        $parts = explode('/', $date);
+
+        $this->hasYear = count($parts) === 3 || count($parts) === 1;
+        $this->hasDate = count($parts) === 3 || count($parts) === 2;
+
+        parent::__construct($date);
+    }
+
+    /**
+     * Returns whether date object contains birth day and month
+     *
+     * @return bool
+     */
+    public function hasDate()
+    {
+        return $this->hasDate;
+    }
+
+    /**
+     * Returns whether date object contains birth year
+     *
+     * @return bool
+     */
+    public function hasYear()
+    {
+        return $this->hasYear;
+    }
+}