WordPress - Simple Rest API example

wp-rest-api-example

<?php
/*
Plugin Name: REST Api Example
Plugin URI: https://premium.wpmudev.org/
Description: A usage example of the wp REST API
Author: Panos Lyrakis @ WPMUDEV
Author URI: https://premium.wpmudev.org/
License: GPLv2 or later
*/



if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'WPMUDEV_RESTAPI_Example' ) ) {

	class WPMUDEV_RESTAPI_Example {

		private static $_instance = null;
		private static $_api_url = 'http://localhost/wpmudev2/wp-json/wp/v2/';

		public static function get_instance() {

			if( is_null( self::$_instance ) ){
				self::$_instance = new WPMUDEV_RESTAPI_Example();
			}
			return self::$_instance;
		}

		public function __construct() {

			add_action('init', array( $this, 'register_cpt' ) );

			add_shortcode( 'wpmudev_example_rest_call', array( $this, 'call_rest_sc' ) );


		}

		public function call_rest_sc( $atts ){

			$atts = shortcode_atts(
			array(
				'player_id' => '',				
			), $atts, 'WPMUDEV_RESTAPI_Example/call_rest_sc' );

			$wp_request_url = self::$_api_url . 'player/' . $atts[ 'player_id' ];

			$wp_request_post_response = wp_remote_request(
			    $wp_request_url,
			    array(
			        'method'    => 'GET'
			    )
			);

			$response_code = wp_remote_retrieve_response_code( $wp_request_post_response ) . ' ' . wp_remote_retrieve_response_message( $wp_request_post_response );
			$response = $wp_request_post_response;

			print_r( $response );

		}


		public function register_cpt(){

			$labels = array(
				'name'               => _x( 'Players', 'post type general name', 'some-textdomain' ),
				'singular_name'      => _x( 'Player', 'post type singular name', 'some-textdomain' ),
				'menu_name'          => _x( 'Players', 'admin menu', 'some-textdomain' ),
				'name_admin_bar'     => _x( 'Player', 'add new on admin bar', 'some-textdomain' ),
				'add_new'            => _x( 'Add New', 'book', 'some-textdomain' ),
				'add_new_item'       => __( 'Add New Player', 'some-textdomain' ),
				'new_item'           => __( 'New Player', 'some-textdomain' ),
				'edit_item'          => __( 'Edit Player', 'some-textdomain' ),
				'view_item'          => __( 'View Player', 'some-textdomain' ),
				'all_items'          => __( 'All Players', 'some-textdomain' ),
				'search_items'       => __( 'Search Players', 'some-textdomain' ),
				'parent_item_colon'  => __( 'Parent Players:', 'some-textdomain' ),
				'not_found'          => __( 'No Players found.', 'some-textdomain' ),
				'not_found_in_trash' => __( 'No Players found in Trash.', 'some-textdomain' )
			);
			 
			$args = array(
				'labels'             		=> $labels,
				'description'        		=> __( 'Description.', 'some-textdomain' ),
				'public'             		=> true,
				'publicly_queryable' 		=> true,
				'show_ui'            		=> true,
				'show_in_menu'       		=> true,
				'query_var'          		=> true,
				'rewrite'            		=> array( 'slug' => 'player' ),
				'capability_type'    		=> 'post',
				'has_archive'        		=> true,
				'hierarchical'       		=> false,
				'menu_position'      		=> null,
				'show_in_rest'       		=> true,
				'rest_base'          		=> 'player',
				'rest_controller_class' 	=> 'WP_REST_Posts_Controller',
				'supports'           		=> array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'comments' )
			);
			 
			  register_post_type( 'player', $args );

		}
	}

	add_action( 'plugins_loaded', function(){
		$GLOBALS['WPMUDEV_RESTAPI_Example'] = WPMUDEV_RESTAPI_Example::get_instance();
	}, 10 );
}