implemented article composer functionality + interface, login & signup functionality + interface, auth permission functionality reflected in the nav, and determined a unified accent color accessible in dark and light mode

functions/db_functions.php

@@ -20,7 +20,7 @@ if ($_SERVER['HTTP_HOST'] == 'localhost') {
 /*
  * Handles any queries that should have only one row results.
  */
-function query_db_one_result($query_stmt)
+function query_one_result($query_stmt)
 {
     $conn = get_connection();
     $results = mysqli_query($conn, $query_stmt);
@@ -32,7 +32,7 @@ function query_db_one_result($query_stmt)
         return mysqli_fetch_assoc($results);
 }
 
-function query_db_one_or_more_results($query_stmt)
+function query_one_or_more_results($query_stmt)
 {
     $conn = get_connection();
     $results = mysqli_query($conn, $query_stmt);
@@ -44,6 +44,23 @@ function query_db_one_or_more_results($query_stmt)
         return $results;
 }
 
+/*
+ * Executes a statement. Type is typically either 0 or 1, where 0 is an INSERT or UPDATE,
+ * and 1 is DELETE. This is to determine whether a boolean value should be returned or
+ * the ID of the row(s).
+ */
+function exec_statement($stmt, $type)
+{
+    $conn = get_connection();
+    $results = mysqli_query($conn, $stmt);
+
+    if ($type == 0)
+        $results = mysqli_insert_id($conn);
+
+    mysqli_close($conn);
+    return $results;
+}
+
 function get_connection()
 {
     // Connect to the DB