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Ignore:
Timestamp:
08/15/2019 09:08:05 PM (2 months ago)
Author:
kadamwhite
Message:

REST API: Cache results of get_item_schema on controller instances for performance.

Caches the output of get_item_schema() to avoid redundant recomputation of translatable strings and other computed values. This method is called many times per item in each REST request, and the results of the method should not vary between calls.
Additional schema fields are not cached.

Props kadamwhite, joehoyle, TimothyBlynJacobs.
Fixes #47871.

File:
1 edited

Legend:

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

    r45444 r45811  
    297297     */
    298298    public function get_item_schema() {
     299        if ( $this->schema ) {
     300            return $this->add_additional_fields_schema( $this->schema );
     301        }
     302
    299303        $schema = $this->revisions_controller->get_item_schema();
    300304
     
    307311        );
    308312
    309         return $schema;
     313        $this->schema = $schema;
     314        return $this->add_additional_fields_schema( $this->schema );
    310315    }
    311316
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