first commit

inc/core/Options.php

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+<?php // phpcs:ignore WordPress.Files.FileName.NotHyphenatedLowercase
+/**
+ * Options base class.
+ *
+ * @package PressBook
+ */
+
+namespace PressBook;
+
+/**
+ * Base class for theme options service classes.
+ */
+abstract class Options implements Serviceable {
+	/**
+	 * Allows to define customizer sections, settings, and controls.
+	 */
+	public function register() {
+		add_action( 'customize_register', array( $this, 'customize_register' ) );
+	}
+
+	/**
+	 * Define customizer sections, settings, and controls.
+	 *
+	 * @param WP_Customize_Manager $wp_customize Theme Customizer object.
+	 */
+	abstract public function customize_register( $wp_customize );
+}