Remove unused variable assignments

MDErrorReporter.php

@@ -107,9 +107,8 @@ final class MDErrorReporter {
                 $msg .= \sprintf("%-{$longestKey}s :: %s", $key, (string)$value) . PHP_EOL;
             }
         }
-        $msg .= PHP_EOL;
 
-        return $msg;
+        return $msg . PHP_EOL;
 
     }
 
@@ -120,15 +119,13 @@ final class MDErrorReporter {
      */
     public function getAdditionalDebuggingInfo():array {
 
-        $output = [
+        return [
             "Current memory usage" => $this->human_filesize(\memory_get_usage()),
             "Peak memory usage" => $this->human_filesize(\memory_get_peak_usage()),
             "Included / required files" => \get_included_files(),
             # "Allowed memory usage" => $this->human_filesize((int)ini_get("memory_limit")),
         ];
 
-        return $output;
-
     }
 
     /**

exceptions/generic/MDAccessDeniedException.php

@@ -2,7 +2,7 @@
 declare(strict_types = 1);
 
 /**
- * Custom exception class for invalid page parameters.
+ * Custom exception class to throw when users attempt to access a page without necessary permissions.
  */
 final class MDAccessDeniedException extends MDExpectedException {
     /**
@@ -12,8 +12,7 @@ final class MDAccessDeniedException extends MDExpectedException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.';
-        return $errorMsg;
+        return 'Access denied: ' . $this->getMessage();
 
     }
 }

exceptions/generic/MDConfigCannotBeLoadedException.php

@@ -12,8 +12,7 @@ final class MDConfigCannotBeLoadedException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Could not connect to databse. Please try again later.';
-        return $errorMsg;
+        return 'Could not connect to databse. Please try again later.';
 
     }
 }

exceptions/generic/MDExpectedException.php

@@ -12,8 +12,7 @@ class MDExpectedException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.';
-        return $errorMsg;
+        return 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.';
 
     }
 }

exceptions/generic/MDFileDoesNotExist.php

@@ -17,8 +17,7 @@ final class MDFileDoesNotExist extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'This file does not exist: ' . $this->getMessage();
-        return $errorMsg;
+        return 'This file does not exist: ' . $this->getMessage();
 
     }
 }

exceptions/generic/MDFileIsNotReadable.php

@@ -17,8 +17,7 @@ final class MDFileIsNotReadable extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'This file does not exist: ' . $this->getMessage();
-        return $errorMsg;
+        return 'This file does not exist: ' . $this->getMessage();
 
     }
 }

exceptions/generic/MDInaccessiblePropertyException.php

@@ -12,8 +12,7 @@ final class MDInaccessiblePropertyException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Property is inaccessible';
-        return $errorMsg;
+        return 'Property is inaccessible';
 
     }
 }

exceptions/generic/MDInputTooLongException.php

@@ -13,8 +13,7 @@ final class MDInputTooLongException extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Input string is too long';
-        return $errorMsg;
+        return 'Input string is too long';
 
     }
 }

exceptions/generic/MDInvalidColorCode.php

@@ -12,8 +12,7 @@ final class MDInvalidColorCode extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Input color code is invalid';
-        return $errorMsg;
+        return 'Input color code is invalid';
 
     }
 }

exceptions/generic/MDInvalidEmail.php

@@ -13,8 +13,7 @@ final class MDInvalidEmail extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Input URL is invalid';
-        return $errorMsg;
+        return 'Input URL is invalid';
 
     }
 }

exceptions/generic/MDInvalidEmptyInputException.php

@@ -19,8 +19,7 @@ final class MDInvalidEmptyInputException extends MDgenericInvalidInputsException
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'A value needs to be provided: ' . $this->getMessage();
-        return $errorMsg;
+        return 'A value needs to be provided: ' . $this->getMessage();
 
     }
 }

exceptions/generic/MDInvalidUrl.php

@@ -13,8 +13,7 @@ final class MDInvalidUrl extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Input URL is invalid';
-        return $errorMsg;
+        return 'Input URL is invalid';
 
     }
 }

exceptions/generic/MDOutputBufferNotStarted.php

@@ -17,8 +17,7 @@ final class MDOutputBufferNotStarted extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Output buffer has not yet been started, is to be used: ' . $this->getMessage();
-        return $errorMsg;
+        return 'Output buffer has not yet been started, is to be used: ' . $this->getMessage();
 
     }
 }

exceptions/generic/MDRequiredConfigNotSet.php

@@ -12,8 +12,7 @@ final class MDRequiredConfigNotSet extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Could not connect to databse. Please try again later.';
-        return $errorMsg;
+        return 'Could not connect to databse. Please try again later.';
 
     }
 }

exceptions/generic/MDWrongCsrfTokenException.php

@@ -13,8 +13,7 @@ final class MDWrongCsrfTokenException extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Input URL is invalid';
-        return $errorMsg;
+        return 'Input URL is invalid';
 
     }
 }

exceptions/generic/MDgenericInvalidInputsException.php

@@ -13,8 +13,7 @@ class MDgenericInvalidInputsException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Inputs are not valid.';
-        return $errorMsg;
+        return 'Inputs are not valid.';
 
     }
 }

exceptions/generic/MDhttpFailedException.php

@@ -13,8 +13,7 @@ final class MDhttpFailedException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Inputs are not valid.';
-        return $errorMsg;
+        return 'Inputs are not valid.';
 
     }
 }

exceptions/generic/MDmainEntityNotExistentException.php

@@ -13,8 +13,7 @@ final class MDmainEntityNotExistentException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Could not connect to databse. Please try again later.';
-        return $errorMsg;
+        return 'Could not connect to databse. Please try again later.';
 
     }
 }

exceptions/generic/MDpageParameterNotFromListException.php

@@ -13,8 +13,7 @@ final class MDpageParameterNotFromListException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Invalid parameter: <b>' . $this->getMessage() . '</b>.';
-        return $errorMsg;
+        return 'Invalid parameter: <b>' . $this->getMessage() . '</b>.';
 
     }
 }

exceptions/page/MDPageNotInAggregatedException.php

@@ -13,8 +13,7 @@ final class MDPageNotInAggregatedException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'There is no entity to be shown here (id: <b>' . $this->getMessage() . '</b>).';
-        return $errorMsg;
+        return 'There is no entity to be shown here (id: <b>' . $this->getMessage() . '</b>).';
 
     }
 }

exceptions/page/MDmainEntityNotPublicException.php

@@ -13,8 +13,7 @@ final class MDmainEntityNotPublicException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'There is no entity to be shown here (id: <b>' . $this->getMessage() . '</b>).';
-        return $errorMsg;
+        return 'There is no entity to be shown here (id: <b>' . $this->getMessage() . '</b>).';
 
     }
 }

exceptions/page/MDpageParameterMissingException.php

@@ -12,8 +12,7 @@ final class MDpageParameterMissingException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Parameter: <b>' . $this->getMessage() . '</b> is required but missing.';
-        return $errorMsg;
+        return 'Parameter: <b>' . $this->getMessage() . '</b> is required but missing.';
 
     }
 }

exceptions/page/MDpageParameterNotNumericException.php

@@ -12,8 +12,7 @@ final class MDpageParameterNotNumericException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.';
-        return $errorMsg;
+        return 'Parameter: <b>' . $this->getMessage() . '</b> is not a valid, numeric values.';
 
     }
 }

exceptions/updates/MDDuplicateLinkException.php

@@ -14,8 +14,7 @@ final class MDDuplicateLinkException extends Exception {
     public function errorMessage() {
 
         //error message
-        $errorMsg = 'Duplicate link exception: ' . $this->getMessage() . '.';
-        return $errorMsg;
+        return 'Duplicate link exception: ' . $this->getMessage() . '.';
 
     }
 }

exceptions/updates/MDFileIsNotWritable.php

@@ -17,8 +17,7 @@ final class MDFileIsNotWritable extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'This file or directory cannot be written: ' . $this->getMessage();
-        return $errorMsg;
+        return 'This file or directory cannot be written: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDFileUploadNotAcceptedException.php

@@ -13,8 +13,7 @@ final class MDFileUploadNotAcceptedException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = $this->getMessage();
-        return $errorMsg;
+        return $this->getMessage();
 
     }
 }

exceptions/updates/MDInvalidCurrency.php

@@ -20,8 +20,7 @@ final class MDInvalidCurrency extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'The following currency is not available: ' . $this->getMessage();
-        return $errorMsg;
+        return 'The following currency is not available: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDInvalidInputDate.php

@@ -20,8 +20,7 @@ final class MDInvalidInputDate extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'The following currency is not available: ' . $this->getMessage();
-        return $errorMsg;
+        return 'The following currency is not available: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDInvalidLengthUnit.php

@@ -20,8 +20,7 @@ final class MDInvalidLengthUnit extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'The following length unit is not available: ' . $this->getMessage();
-        return $errorMsg;
+        return 'The following length unit is not available: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDInvalidLicense.php

@@ -20,8 +20,7 @@ final class MDInvalidLicense extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'The following license is not available: ' . $this->getMessage();
-        return $errorMsg;
+        return 'The following license is not available: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDInvalidObjectPublicationBackground.php

@@ -20,8 +20,7 @@ final class MDInvalidObjectPublicationBackground extends MDgenericInvalidInputsE
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'The following object publication type is not available: ' . $this->getMessage();
-        return $errorMsg;
+        return 'The following object publication type is not available: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDInvalidWeightUnit.php

@@ -20,8 +20,7 @@ final class MDInvalidWeightUnit extends MDgenericInvalidInputsException {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'The following weight unit is not available: ' . $this->getMessage();
-        return $errorMsg;
+        return 'The following weight unit is not available: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDNoUpdateVarSetException.php

@@ -13,8 +13,7 @@ final class MDNoUpdateVarSetException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'No update variable has been set.';
-        return $errorMsg;
+        return 'No update variable has been set.';
 
     }
 }

exceptions/updates/MDTooManyFilesUploadException.php

@@ -19,8 +19,7 @@ final class MDTooManyFilesUploadException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'This file\'s extension or mimetype is incorrect: ' . $this->getMessage();
-        return $errorMsg;
+        return 'This file\'s extension or mimetype is incorrect: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDWrongFileType.php

@@ -19,8 +19,7 @@ final class MDWrongFileType extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'This file\'s extension or mimetype is incorrect: ' . $this->getMessage();
-        return $errorMsg;
+        return 'This file\'s extension or mimetype is incorrect: ' . $this->getMessage();
 
     }
 }

exceptions/updates/MDcouldNotSaveException.php

@@ -2,8 +2,7 @@
 declare(strict_types = 1);
 
 /**
- * Exception thrown in case the main entity of a page (e.g. an object, an institution etc.)
- * are not set public.
+ * Exception thrown in case an update failed.
  */
 final class MDcouldNotSaveException extends Exception {
     /**
@@ -13,8 +12,7 @@ final class MDcouldNotSaveException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Could not save.';
-        return $errorMsg;
+        return 'Could not save.';
 
     }
 }

exceptions/updates/MDcouldNotSetPublic.php

@@ -3,7 +3,7 @@ declare(strict_types = 1);
 
 /**
  * Exception thrown in case the main entity of a page (e.g. an object, an institution etc.)
- * are not set public.
+ * could not be set public.
  */
 final class MDcouldNotSetPublic extends Exception {
     /**
@@ -13,8 +13,7 @@ final class MDcouldNotSetPublic extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'Could not set this to public.';
-        return $errorMsg;
+        return 'Could not set this to public.';
 
     }
 }

exceptions/updates/MDwriteAccessDeniedException.php

@@ -13,8 +13,7 @@ final class MDwriteAccessDeniedException extends Exception {
      */
     public function errorMessage() {
         //error message
-        $errorMsg = 'You have no permission to write this.';
-        return $errorMsg;
+        return 'You have no permission to write this.';
 
     }
 }