Fixes #229, do not set the datetime objects when there is no valid date given.

Author: michael-pay

lib/Tmdb/Model/Common/Change/Item.php

@@ -93,12 +93,12 @@ public function getTime()
     }
 
     /**
-     * @param string|DateTime $time
+     * @param string|DateTime|null $time
      * @return $this
      */
-    public function setTime($time)
+    public function setTime($time = null)
     {
-        if (!$time instanceof DateTime) {
+        if (!$time instanceof DateTime && $time !== null) {
             $time = new DateTime($time);
         }
 

lib/Tmdb/Model/Movie.php

@@ -570,12 +570,12 @@ public function getReleaseDate()
     }
 
     /**
-     * @param string $releaseDate
+     * @param DateTime|string|null $releaseDate
      * @return $this
      */
-    public function setReleaseDate($releaseDate)
+    public function setReleaseDate($releaseDate = null)
     {
-        if (!$releaseDate instanceof DateTime) {
+        if (!$releaseDate instanceof DateTime && $releaseDate !== null) {
             $releaseDate = new DateTime($releaseDate);
         }
 

lib/Tmdb/Model/Movie/Release.php

@@ -83,12 +83,12 @@ public function getReleaseDate()
     }
 
     /**
-     * @param string|DateTime $releaseDate
+     * @param string|DateTime|null $releaseDate
      * @return $this
      */
-    public function setReleaseDate($releaseDate)
+    public function setReleaseDate($releaseDate = null)
     {
-        if (!$releaseDate instanceof DateTime) {
+        if (!$releaseDate instanceof DateTime && $releaseDate !== null) {
             $releaseDate = new DateTime($releaseDate);
         }
 

lib/Tmdb/Model/Movie/ReleaseDate.php

@@ -112,12 +112,12 @@ public function getReleaseDate()
     }
 
     /**
-     * @param string|DateTime $releaseDate
+     * @param string|DateTime|null $releaseDate
      * @return $this
      */
-    public function setReleaseDate($releaseDate)
+    public function setReleaseDate($releaseDate = null)
     {
-        if (!$releaseDate instanceof DateTime) {
+        if (!$releaseDate instanceof DateTime && $releaseDate !== null) {
             $releaseDate = new DateTime($releaseDate);
         }
 

lib/Tmdb/Model/Person/Credit.php

@@ -248,12 +248,12 @@ public function getReleaseDate()
     }
 
     /**
-     * @param DateTime $releaseDate
+     * @param DateTime|string|null $releaseDate
      * @return $this
      */
-    public function setReleaseDate($releaseDate)
+    public function setReleaseDate($releaseDate = null)
     {
-        if (!$releaseDate instanceof DateTime) {
+        if (!$releaseDate instanceof DateTime && $releaseDate !== null) {
             $releaseDate = new DateTime($releaseDate);
         }
 

lib/Tmdb/Model/Tv.php

@@ -343,12 +343,12 @@ public function getFirstAirDate()
     }
 
     /**
-     * @param DateTime $firstAirDate
+     * @param DateTime|string|null $firstAirDate
      * @return $this
      */
-    public function setFirstAirDate($firstAirDate)
+    public function setFirstAirDate($firstAirDate = null)
     {
-        if (!$firstAirDate instanceof DateTime) {
+        if (!$firstAirDate instanceof DateTime && $firstAirDate !== null) {
             $firstAirDate = new DateTime($firstAirDate);
         }
 
@@ -461,12 +461,12 @@ public function getLastAirDate()
     }
 
     /**
-     * @param string $lastAirDate
+     * @param DateTime|string|null $lastAirDate
      * @return $this
      */
-    public function setLastAirDate($lastAirDate)
+    public function setLastAirDate($lastAirDate = null)
     {
-        if (!$lastAirDate instanceof DateTime) {
+        if (!$lastAirDate instanceof DateTime && $lastAirDate !== null) {
             $lastAirDate = new DateTime($lastAirDate);
         }
 

lib/Tmdb/Model/Tv/Episode.php

@@ -159,12 +159,12 @@ public function getAirDate()
     }
 
     /**
-     * @param DateTime $airDate
+     * @param DateTime|string|null $airDate
      * @return $this
      */
-    public function setAirDate($airDate)
+    public function setAirDate($airDate = null)
     {
-        if (!$airDate instanceof DateTime) {
+        if (!$airDate instanceof DateTime && $airDate !== null) {
             $airDate = new DateTime($airDate);
         }