Fix banlist crash when | is entered in any /ban arguments

src/pocketmine/permission/BanEntry.php

@@ -21,6 +21,8 @@
 
 namespace pocketmine\permission;
 
+use pocketmine\utils\MainLogger;
+
 class BanEntry{
 	public static $format = "Y-m-d H:i:s O";
 
@@ -109,7 +111,12 @@ public static function fromString($str){
 			$str = explode("|", trim($str));
 			$entry = new BanEntry(trim(array_shift($str)));
 			if(count($str) > 0){
-				$entry->setCreated(\DateTime::createFromFormat(self::$format, array_shift($str)));
+				$datetime = \DateTime::createFromFormat(self::$format, array_shift($str));
+				if(!($datetime instanceof \DateTime)){
+					MainLogger::getLogger()->alert("Error parsing date for BanEntry for player \"" . $entry->getName() . "\", the format may be invalid!");
+					return $entry;
+				}
+				$entry->setCreated($datetime);
 				if(count($str) > 0){
 					$entry->setSource(trim(array_shift($str)));
 					if(count($str) > 0){