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Ignore:
Timestamp:
07/13/2018 06:50:51 AM (7 years ago)
Author:
pento
Message:

REST API: Filter responses based on the _fields parameter, before data is processed.

Historically, the REST API would generate the entire response object, including running expensive filters, then it would apply the _fields parameter, discarding the fields that weren't specificed.

This change causes _fields to be applied earlier, so that only requested fields are processed.

Merges [43087] to the 4.9 branch.

Props danielbachhuber.
See #43874.

Location:
branches/4.9
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • branches/4.9

  • branches/4.9/tests/phpunit/tests/rest-api/rest-users-controller.php

    r43067 r43445  
    762762        $data = $this->endpoint->prepare_item_for_response( $user, $request );
    763763        $this->check_get_user_response( $data, 'edit' );
     764    }
     765
     766    public function test_prepare_item_limit_fields() {
     767        wp_set_current_user( self::$user );
     768        $request = new WP_REST_Request;
     769        $request->set_param( 'context', 'edit' );
     770        $request->set_param( '_fields', 'id,name' );
     771        $user     = get_user_by( 'id', get_current_user_id() );
     772        $response = $this->endpoint->prepare_item_for_response( $user, $request );
     773        $this->assertEquals( array(
     774            'id',
     775            'name',
     776        ), array_keys( $response->get_data() ) );
    764777    }
    765778
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