websupporter

<?php
add_action('wp_ajax_dn-query', 'dn_query');
function dn_query(){
	$entries = array();
	$entries = dn_messages_query();
	if( count( $entries ) == 0 )
		$entries = dn_notifications_query();
	if( count( $entries ) == 0 )
		$entries = dn_activities_query();
	echo json_encode( apply_filters( 'dn_entries', $entries ) );

websupporter

<?php
/**
 * register the API route
 *
 * @since 0.9
 **/
add_action( 'rest_api_init', 'dn_rest_routes' );
function dn_rest_routes() {
	register_rest_route(
		'buddypress-desktop-notification/v1', '/notifications/',

websupporter

jQuery.ajax({
	url: dnStrings.ajax_url,
	data: {
		'since':wpNotifyCurrentDate
	},
	method: 'GET',
	beforeSend: function ( xhr ) {
			xhr.setRequestHeader( 'X-WP-Nonce', dnStrings.nonce );
	},
	success: function( response ){

websupporter

<?php
	register_meta( 'post', 'mein_metakey', 'mein_metakey_sanitize_callback' );
	function mein_metakey_sanitize_callback( $value, $key, $type ){
		if ( 'post' === $type && 'mein_metakey' === $key )
			return (int) $value;
		return $value;
	}
	?>

websupporter

<?php
	/**
	 * Plugin Name: Schöner Sterben mit wp_die()
	 * Plugin Author: David Remer/Websupporter
	 **/

	add_filter( 'wp_die_handler', 'die_in_beauty_filter' );
	function die_in_beauty_filter( $die_handler ) {
		if ( is_admin() ) {
			return $die_handler;

websupporter

<?php
	add_action( 'rest_api_init', 'my_own_restroute' );
	function my_own_restroute() {
		register_rest_route(
			'my-namespace/v1',
			'/route/',
			array(
				'methods'  => 'GET',
				'callback' => 'my_restroute_callback',
				'args'     => array(

websupporter

<?php
	function register_cpt() {
		$args = array(
			'labels'                  => array(
				'name'               => 'Name',
				'singular_name'      => 'Single',
			),
			'menu_position'          => 5,
			'public'                 => true,
			'show_in_rest'           => true,	// Mache diesen Post Type über die API zugänglich.

websupporter

<?php
	$args = array(
		'type'              => 'string',
		'description'       => 'The International Standard Book Number',
		'single'            => true,
		'sanitize_callback' => 'sanitize_isbn',
		'auth_callback'     => 'is_allowed_to_change_isbn',
		'show_in_rest'      => true,
	);

websupporter

<?php

add_action( 'rest_api_init', 'slug_register_something_random' );
function slug_register_something_random() {
    register_rest_field( 'post',
        'something',
        array(
            'get_callback'    => 'slug_get_something',
            'update_callback' => 'slug_update_something',
            'schema'          => null,

websupporter

<?php
function slug_enqueue_scripts() {
	wp_enqueue_script( 'api-script', plugins_url( __FILE__ ) . 'script.js', array( 'jquery' ) );

	wp_localize_script( 
		'wp-script', 
		'wpApiSettings', 
		array(
			'root' => esc_url_raw( rest_url() ), 
			'nonce' => wp_create_nonce( 'wp_rest' )