refactor: add strict typing

src/includes/class-activator.php

@@ -25,6 +25,8 @@
  * @since 2.8.0
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 /**

src/includes/class-config.php

@@ -29,6 +29,8 @@
  * @deprecated
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 /**

src/includes/class-convert.php

@@ -8,6 +8,8 @@
  *                              rename `class/` sub-directory to `includes/`.
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 /**
@@ -40,7 +42,7 @@ class Convert {
 				return self::to_arabic_leading( $p_int_index );
 			case 'arabic_plain':
 			default:
-				return $p_int_index;
+				return (string) $p_int_index;
 		}
 	}
 

src/includes/class-core.php

@@ -27,6 +27,8 @@
  *              Renamed parent `class/` directory to `includes/`.
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 use footnotes\general as General;

src/includes/class-deactivator.php

@@ -6,6 +6,8 @@
  * @since 2.8.0
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 /**

src/includes/class-i18n.php

@@ -8,6 +8,8 @@
  *                              rename `class/` sub-directory to `includes/`.
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/class-config.php';

src/includes/class-loader.php

@@ -7,6 +7,8 @@
  * @since 2.8.0
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 /**

src/includes/class-settings.php

@@ -8,6 +8,8 @@
  *              Renamed parent `class/` directory to `includes/`.
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 /**

src/includes/class-template.php

@@ -11,6 +11,8 @@
  *                              rename `class/` sub-directory to `includes/`.
  */
 
+declare(strict_types=1);
+
 namespace footnotes\includes;
 
 /**
@@ -120,7 +122,7 @@ class Template {
 		}
 		// Iterate through each placeholder and replace it with its value.
 		foreach ( $p_arr_placeholders as $l_str_placeholder => $l_str_value ) {
-			$this->a_str_replaced_content = str_replace( '[[' . $l_str_placeholder . ']]', $l_str_value, $this->a_str_replaced_content );
+			$this->a_str_replaced_content = str_replace( '[[' . $l_str_placeholder . ']]', (string) $l_str_value, $this->a_str_replaced_content );
 		}
 		// Success.
 		return true;