Now can include WHERE clause on showAll() method

App/Models/Post.php

@@ -35,21 +35,43 @@ class Post extends \Core\Model
         );
     }
 
-    public function showAll($key = '', $operator = '', $cond = '')
+    public function showAll($conditions = [])
     {
         try {
             $db = static::connectDB();
 
             $sql = "SELECT * FROM pengumuman";
 
-            if ($key && $operator && $cond) {
-                $sql .= " WHERE {$key} {$operator} ?";
+            if ($conditions) {
+                $sql .= " WHERE";
+                foreach ($conditions as $condition) {
+
+                    $keys[] = $condition[0];
+                    $operators[] = $condition[1];
+                    $values[] = $condition[2];
+                }
+
+                $x = 1;
+                $i = 0;
+                foreach ($keys as $key) {
+                    $sql .= " $key $operators[$i] ?";
+                    $i++;
+
+                    $x++;
+                    if ($x <= count($keys)) {
+                        $sql .= " AND";
+                    }
+                }
             }
 
             $query = $db->prepare($sql);
 
-            if ($key && $operator && $cond) {
-                $query->bindValue(1, $cond);
+            if ($conditions) {
+                $x = 1;
+                foreach ($values as $value) {
+                    $query->bindValue($x, $value);
+                    $x++;
+                }
             }
 
             if ($query->execute()) {