Create rest api in wordpress

wordpress create REST Api

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Example 1

PHP

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//Api full url : http://localhost/wordpress/wp-json/api/v1/getstuff   add_action( 'rest_api_init', function () {     register_rest_route( 'api', '/v1/getstuff', array(         'methods' => 'GET',         'callback' => 'myFunctionToGetStuff',     )); });   function myFunctionToGetStuff( $request ) { return   'hello world'  ; }

Example 2 – Passing parameter

PHP

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//Api url http://localhost/wordpress/wp-json/api/v1/get/author/{number}   add_action( 'rest_api_init', function () {     register_rest_route( 'api', '/v1/get/author/(?P<id>\d+)', array(         'methods' => 'GET',         'callback' => 'myFunctionToGetStuff',     )); });   function myFunctionToGetStuff( $request ) { return   $request['id']  ; }

Example 3 – Passing multiple parameters

PHP

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//url : http://localhost/wordpress/wp-json/api/v1/get/{parameter 1}/{parameter2}   add_action( 'rest_api_init', function () {     register_rest_route( 'api', '/v1/get/(?P<param1>[a-z0-9\-]+)/(?P<param2>[a-z0-9\-]+)', array(         'methods' => 'GET',         'callback' => 'myFunctionToGetStuff',     )); });   function myFunctionToGetStuff( $request ) { return $request['param1']." ".$request['param2']; }

Example 3- permission check

Java

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add_action( 'rest_api_init', function () {     register_rest_route( 'api', '/v1/get/sitemap', array(         'methods' => 'GET',         'callback' => 'api_function_to_get_sitemap',      'permission_callback' => function () {      return permissions_check();      }     ));          register_rest_route( 'api', '/v1/get/page/(?P<page_slug>[a-z0-9\-]+)', array(      'methods' => 'GET',      'callback' => 'api_function_to_get_page_by_slug',      'permission_callback' => array( $this, 'permissions_check' )     ));           });     function permissions_check(){     //permission check will perform here      return true; }