first commit

inc/core/Header.php

@@ -0,0 +1,42 @@
+<?php // phpcs:ignore WordPress.Files.FileName.NotHyphenatedLowercase
+/**
+ * Header service.
+ *
+ * @package PressBook
+ */
+
+namespace PressBook;
+
+/**
+ * Add support for the custom header.
+ */
+class Header implements Serviceable {
+	/**
+	 * Register service features.
+	 */
+	public function register() {
+		add_action( 'after_setup_theme', array( $this, 'custom_header_setup' ) );
+	}
+
+	/**
+	 * Set up the WordPress core custom header feature.
+	 *
+	 * @uses pressbook_header_style()
+	 */
+	public function custom_header_setup() {
+		add_theme_support(
+			'custom-header',
+			apply_filters(
+				'pressbook_custom_header_args',
+				array(
+					'default-image' => '',
+					'width'         => 1600,
+					'height'        => 250,
+					'flex-width'    => true,
+					'flex-height'   => true,
+					'header-text'   => false,
+				)
+			)
+		);
+	}
+}