diff --git a/trait/mtee_utils.php b/trait/mtee_utils.php
index 8ae1658..8537fdd 100644
--- a/trait/mtee_utils.php
+++ b/trait/mtee_utils.php
@@ -1,42 +1,43 @@
 <?php
-if (!defined('ABSPATH')) {
-    exit;
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
 } // Exit if accessed directly
 
-if (!trait_exists('mtee_utils')) {
+if ( ! trait_exists( 'mtee_utils' ) ) {
 
-    trait mtee_utils {
+	trait mtee_utils {
 
-        public function get_post_sanitize_data($var_name, $type = 'str') {
-            if ($type == 'str') {
-                return filter_input(INPUT_POST, $var_name, FILTER_SANITIZE_STRING);
-            }
-            if ($type == 'array') {
-                return filter_input(INPUT_POST, $var_name, FILTER_SANITIZE_STRING, FILTER_REQUIRE_ARRAY);
-            }
+		public function get_post_sanitize_data( $var_name, $type = 'str' ) {
+			if ( $type == 'str' ) {
+				return filter_input( INPUT_POST, $var_name, FILTER_DEFAULT );
+			}
+			if ( $type == 'array' ) {
+				return filter_input( INPUT_POST, $var_name, FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
+			}
 
-        }
+			return null;
+		}
 
-        public function save_post_meta($post_id, $var_name) {
-            if (!empty($_POST[$var_name])) {
-                update_post_meta($post_id, $var_name, $this->get_post_sanitize_data($var_name)); //値を保存
-            } else { //未入力の場合は値を削除
-                delete_post_meta($post_id, $var_name);
-            }
-        }
+		public function save_post_meta( $post_id, $var_name ) {
+			if ( ! empty( $_POST[ $var_name ] ) ) {
+				update_post_meta( $post_id, $var_name, $this->get_post_sanitize_data( $var_name ) ); //値を保存
+			} else { //未入力の場合は値を削除
+				delete_post_meta( $post_id, $var_name );
+			}
+		}
 
-        public function save_term_meta($term_id, $var_name) {
-            if (array_key_exists($var_name, $_POST)) {
-                update_term_meta($term_id, $var_name, $this->get_post_sanitize_data($var_name));
-            } else { //未入力の場合は値を削除
-                delete_term_meta($term_id, $var_name);
-            }
-        }
+		public function save_term_meta( $term_id, $var_name ) {
+			if ( array_key_exists( $var_name, $_POST ) ) {
+				update_term_meta( $term_id, $var_name, $this->get_post_sanitize_data( $var_name ) );
+			} else { //未入力の場合は値を削除
+				delete_term_meta( $term_id, $var_name );
+			}
+		}
 
-        public function set_escape_str($base, $param, $type) {
-            return esc_html($base[$param][$type] ?? '');
-        }
+		public function set_escape_str( $base, $param, $type ) {
+			return esc_html( $base[ $param ][ $type ] ?? '' );
+		}
 
-    }
+	}
 
 }
\ No newline at end of file