Encapsulation and params types

lib/db.php

@@ -4,7 +4,7 @@ class DB {
 
 	private $conn;
 
-	function __construct () {
+	public function __construct () {
 		include 'connexion.php';
 		try {
 			$this->conn = new PDO('pgsql:host=localhost;port=5432;dbname=apisub', $db_user, $db_pass);
@@ -13,7 +13,7 @@ class DB {
 		}
 	}
 
-	function subList(string $utclogin) : array {
+	public function subList(string $utclogin) : array {
 		$sql = 'SELECT *
 						FROM vsubscription
 						WHERE	utclogin=:utclogin';
@@ -26,7 +26,7 @@ class DB {
 		return $res;
 	}
 
-	function apiList(string $semester, int $year) : array {
+	public function apiList(string $semester, int $year) : array {
 		$sql = 'SELECT *
 						FROM vApi
 						WHERE semester=:semester AND year=:year';
@@ -40,7 +40,7 @@ class DB {
 		return $res;
 	}
 
-	function subToApi($utclogin, $api) : bool {
+	public function subToApi(string $utclogin, int $api) : bool {
 		$today = date('Ymd');
 		$sql = 'INSERT INTO subscribe(utclogin, api, subdate) VALUES (:utclogin, :api, :today)';
 		$st = $this->conn->prepare($sql);
@@ -53,7 +53,7 @@ class DB {
 		return $res;
 	}
 
-	function unsubToApi($utclogin, $api) : bool {
+	public function unsubToApi(string $utclogin, int $api) : bool {
 		$sql = 'DELETE FROM subscribe WHERE utclogin=:utclogin AND api=:api';
 		$st = $this->conn->prepare($sql);
 		$res = $st->execute([