| @@ -106,7 +106,7 @@ discard block | ||
| 106 | 106 | * @uses FEATURE_GRADE_OUTCOMES | 
| 107 | 107 | * @uses FEATURE_SHOW_DESCRIPTION | 
| 108 | 108 | * @param string $feature | 
| 109 | - * @return mixed True if yes (some features may use other values) | |
| 109 | + * @return null|boolean True if yes (some features may use other values) | |
| 110 | 110 | */ | 
| 111 | 111 |  function bigbluebuttonbn_supports($feature) { | 
| 112 | 112 |      if (!$feature) { | 
| @@ -226,7 +226,7 @@ discard block | ||
| 226 | 226 | * | 
| 227 | 227 | * @param object $bigbluebuttonbn Id of the module instance | 
| 228 | 228 | * | 
| 229 | - * @return bool Success/Failure | |
| 229 | + * @return boolean|null Success/Failure | |
| 230 | 230 | */ | 
| 231 | 231 |  function bigbluebuttonbn_delete_instance_log($bigbluebuttonbn) { | 
| 232 | 232 | global $DB; | 
| @@ -249,7 +249,7 @@ discard block | ||
| 249 | 249 | * @param object $mod | 
| 250 | 250 | * @param object $bigbluebuttonbn | 
| 251 | 251 | * | 
| 252 | - * @return bool | |
| 252 | + * @return string | |
| 253 | 253 | */ | 
| 254 | 254 |  function bigbluebuttonbn_user_outline($course, $user, $mod, $bigbluebuttonbn) { | 
| 255 | 255 | global $DB; | 
| @@ -757,7 +757,7 @@ discard block | ||
| 757 | 757 | * @param stdClass $context context object | 
| 758 | 758 | * @param string $filearea file area | 
| 759 | 759 | * | 
| 760 | - * @return false|null false if file not valid | |
| 760 | + * @return boolean false if file not valid | |
| 761 | 761 | */ | 
| 762 | 762 |  function bigbluebuttonbn_pluginfile_valid($context, $filearea) { | 
| 763 | 763 |      if ($context->contextlevel != CONTEXT_MODULE) { |