WordPress 内置主题选项

function zm_customize_register($wp_customize) {
	
	$wp_customize->add_setting('header_title', array(
		'default' => '默认文字',
		'capability' => 'edit_theme_options',
		'sanitize_callback' => 'sanitize_header_title'
	));

	$wp_customize->add_setting('header_subtitle');
	$wp_customize->add_setting('intro_text');
	$wp_customize->add_setting('featured_post');

	$wp_customize->add_section('zm_general_section', [
		'title' => '主题设置',
		'priority' => 1
	]);

	$wp_customize->add_control('zm_header_title_ctrl', [
	'label' => 'Header Title',
		'section' => 'zm_general_section',
		'settings' => 'header_title',
		'type' => 'text'
	]);

	$wp_customize->add_control('zm_header_subtitle_ctrl', [
		'label' => 'Header Subtitle',
		'section' => 'zm_general_section',
		'settings' => 'header_subtitle',
		'type' => 'text'
	]);

	$wp_customize->add_control('zm_intro_text_ctrl', [
		'label' => 'Intro Text',
		'section' => 'zm_general_section',
		'settings' => 'intro_text',
		'type' => 'textarea'
	]);

	$pages = get_posts([
		'nopaging' => true,
		'post_type' => 'page',
		'post_status' => 'publish'
	]);

	$page_ids = array_map(function($el) {
		return $el->ID;
	}, $pages);

	$page_names = array_map(function ($el) {
		return $el->post_title;
	}, $pages);


	$wp_customize->add_control('zm_featured_post_ctrl', [
		'label' => 'Featured Post',
		'section' => 'zm_general_section',
		'settings' => 'featured_post',
		'type' => 'select',
		'choices' => array('' => '') + array_combine($page_ids, $page_names)
	]);

}
add_action('customize_register', 'zm_customize_register');

function sanitize_header_title($title) {
	return ucfirst($title);
}