diff --git a/build/api/module/professorController.php b/build/api/module/professorController.php
index b7f0b69..2ad71af 100644
--- a/build/api/module/professorController.php
+++ b/build/api/module/professorController.php
@@ -20,8 +20,8 @@ class professorController{
 	private static function proccess_vh(array &$vh_prof){
 
 		/* (1) If not in category 1 nor 3 -> equivalentTD = TD + 2/3.TP + 1.5.COURS */
-		if( !in_array($vh_prof['idCat'], [1,3]) )
-			return $vh_prof['equiTD'] = $vh_prof['VHTd'] + (2/3)*$vh_prof['VHTp'] + 1.5*$vh_prof['VHCours'];
+		if( !in_array($vh_prof['idCat'], [1, 3]) )
+			return ( $vh_prof['equiTD'] = $vh_prof['VHTd'] + (2/3)*$vh_prof['VHTp'] + 1.5*$vh_prof['VHCours'] );
 			// exited because of 'return' statement
 
 
@@ -29,17 +29,17 @@ class professorController{
 		$vh_prof['equiTD'] = $vh_prof['VHTd'] + $vh_prof['VHTp'] + 1.5*$vh_prof['VHCours'];
 
 		/* (3) If equivalentTD exceeds HeuresDues */
-		if($vh_prof['equiTD'] > $vh_prof['du']){
+		if($vh_prof['equiTD'] > $vh_prof['hoursToDo']){
 
 			/* (3.1) @valTP = HeuresDues.(TP / equivalentTD) */
-			$valTP       = $vh_prof['du'] * ( $vh_prof['VHTp'] / $vh_prof['equiTD'] );
+			$valTP       = $vh_prof['hoursToDo'] * ( $vh_prof['VHTp'] / $vh_prof['equiTD'] );
 			/* (3.2) equivalentTD = 1.5*COURS + TD + @valTP + (TP-@valTP) */
 			$vh_prof['equiTD'] = round(1.5*$vh_prof['VHCours'] + $vh_prof['VHTd'] + $valTP + ($vh_prof['VHTp'] - $valTP)*(2/3), 2);
 
 		}
 
 		/* (4) VH comp */
-		$vh_prof['VHComp'] = round($vh_prof['equiTD'] - $vh_prof['du'], 2);
+		$vh_prof['VHComp'] = round($vh_prof['equiTD'] - $vh_prof['hoursToDo'], 2);
 		$vh_prof['VHComp'] = ( $vh_prof['VHComp'] < 0 ) ? 0 : $vh_prof['VHComp'];
 	}
 
@@ -53,7 +53,7 @@ class professorController{
 	---------------------------------------------------------*/
 	public static function get($args){
 		$prof_id = null;
-		$with_vh = '';
+		$with_vh = 0;
 		extract($args);
 
 		/* Get the professor repo */
@@ -63,7 +63,7 @@ class professorController{
 
 		/* (1) If with VH data
 		---------------------------------------------------------*/
-		if( is_string($with_vh) && $with_vh == '1' ){
+		if( is_int($with_vh) && $with_vh === 1 ){
 
 			/* (1) Get All professors or 1 by its id (if set) */
 			$fetched = $prof_repo->getWithVH($prof_id);