class-acf-options-page-template.php

<?php
/**
 * WP_Theme_Template\Components\ACF_Options_Page_Template class
 *
 * @package WP_Theme_Template
 */

namespace WP_Theme_Template\Components;

/**
 * Class ACF_Options_Page_Template.
 */
class ACF_Options_Page_Template implements Component, Templater {
	/**
	 * Field ID.
	 *
	 * @var string
	 */
	const EXAMPLE_FIELD = 'example_field_id';

	/**
	 * Register any needed hooks/filters.
	 */
	public function init() {
		add_action( 'acf/init', [ $this, 'setup' ] );
	}

	/**
	 * ACF initialization configuration.
	 *
	 * @return void
	 */
	public function setup() {
		acf_add_local_field_group(
			[
				'key'      => 'group_template_settings',
				'title'    => 'Template',
				'fields'   => [
					[
						'key'      => 'field_' . self::EXAMPLE_FIELD,
						'label'    => __( 'Example Field', 'wp-theme-template' ),
						'name'     => self::EXAMPLE_FIELD,
						'type'     => 'text',
						'required' => 0,
					],
				],
				'location' => [
					[
						[
							'param'    => 'options_page',
							'operator' => '==',
							'value'    => ACF_Options_Page::OPTIONS_PAGE_MENU_SLUG,
						],
					],
				],
			],
		);
	}

	/**
	 * Get Example field.
	 *
	 * @return string The value of the example field.
	 */
	public function get_example_field() {
		if ( ! function_exists( 'get_field' ) ) {
			return '';
		}
		return get_field( self::EXAMPLE_FIELD, 'option' ) ? get_field( self::EXAMPLE_FIELD, 'option' ) : '';
	}
	
	/**
	 * Gets template tags to expose as methods on the Template_Tags class instance, accessible through `xwp_co_theme()`.
	 *
	 * @return array Associative array of $method_name => $callback_info pairs. Each $callback_info must either be
	 *               a callable or an array with key 'callable'. This approach is used to reserve the possibility of
	 *               adding support for further arguments in the future.
	 */
	public function get_template_tags() {
		return [
			'get_example_field' => [ $this, 'get_example_field' ],
		];
	}
}