Boolean function can return null.

Author: GhaziTriki

src/BigBlueButton.php

@@ -455,7 +455,7 @@ public function setTimeOut($TimeOutInSeconds)
      *
      * @param string $method
      * @param string $params
-     * @param boolean   $append
+     * @param bool   $append
      *
      * @return string
      */

src/Core/Attendee.php

@@ -38,22 +38,22 @@ class Attendee
     private $role;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $isPresenter;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $isListeningOnly;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $hasJoinedVoice;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $hasVideo;
 
@@ -115,31 +115,31 @@ public function getRole()
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function isPresenter()
     {
         return $this->isPresenter;
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function isListeningOnly()
     {
         return $this->isListeningOnly;
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function hasJoinedVoice()
     {
         return $this->hasJoinedVoice;
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function hasVideo()
     {

src/Core/Hook.php

@@ -46,12 +46,12 @@ class Hook
     private $callbackUrl;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $permanentHook;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $rawData;
 
@@ -95,15 +95,15 @@ public function getCallbackUrl()
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function isPermanentHook()
     {
         return $this->permanentHook;
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function hasRawData()
     {

src/Core/Meeting.php

@@ -71,12 +71,12 @@ class Meeting
     private $moderatorPassword;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $hasBeenForciblyEnded;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $isRunning;
 
@@ -106,7 +106,7 @@ class Meeting
     private $duration;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $hasUserJoined;
 
@@ -116,7 +116,7 @@ class Meeting
     private $internalMeetingId;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $isRecording;
 
@@ -151,7 +151,7 @@ class Meeting
     private $metas;
 
     /**
-     * @var boolean
+     * @var bool
      */
     private $isBreakout;
 
@@ -253,15 +253,15 @@ public function getModeratorPassword()
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function hasBeenForciblyEnded()
     {
         return $this->hasBeenForciblyEnded;
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function isRunning()
     {
@@ -309,7 +309,7 @@ public function getDuration()
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function hasUserJoined()
     {
@@ -325,7 +325,7 @@ public function getInternalMeetingId()
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function isRecording()
     {

src/Core/Record.php

@@ -104,7 +104,7 @@ public function getName()
     }
 
     /**
-     * @return boolean
+     * @return null|bool
      */
     public function isPublished()
     {