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Ignore:
Timestamp:
07/22/2022 01:58:46 PM (3 years ago)
Author:
spacedmonkey
Message:

REST API: Avoid unnecessarily preparing item links.

Do not call the prepare_links methods in core REST API controllers, unless the _links or _embedded fields are requested. There is no need to prepare links if they are never returned in the response. This saves resources, as many calls to prepare_links methods perform database queries.

Props Spacedmonkey, timothyblynjacobs, rachelbaker, desrosj, dlh, hellofromTonya.
Fixes #52992.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php

    r53724 r53760  
    393393        $response = rest_ensure_response( $data );
    394394
    395         $links = $this->prepare_links( $post->ID );
    396         $response->add_links( $links );
    397         if ( ! empty( $links['self']['href'] ) ) {
    398             $actions = $this->get_available_actions();
    399             $self    = $links['self']['href'];
    400             foreach ( $actions as $rel ) {
    401                 $response->add_link( $rel, $self );
     395        if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
     396            $links = $this->prepare_links( $post->ID );
     397            $response->add_links( $links );
     398            if ( ! empty( $links['self']['href'] ) ) {
     399                $actions = $this->get_available_actions();
     400                $self    = $links['self']['href'];
     401                foreach ( $actions as $rel ) {
     402                    $response->add_link( $rel, $self );
     403                }
    402404            }
    403405        }
     
    591593        $response = rest_ensure_response( $data );
    592594
    593         $links = array(
    594             'self' => array(
    595                 'href' => rest_url( sprintf( '%s/%s/themes/%s', $this->namespace, $this->rest_base, $request['stylesheet'] ) ),
    596             ),
    597         );
    598 
    599         $response->add_links( $links );
     595        if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
     596            $links = array(
     597                'self' => array(
     598                    'href' => rest_url( sprintf( '%s/%s/themes/%s', $this->namespace, $this->rest_base, $request['stylesheet'] ) ),
     599                ),
     600            );
     601            $response->add_links( $links );
     602        }
    600603
    601604        return $response;
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