Remove unused variable assignments

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>.';
 
     }
 }