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Description

Builds a key for the cached object using the blog_id, key, and group values.

Usage

WP_Object_Cache::buildKey( $key, $group );

Parameters

$key

( string ) required – The key under which to store the value.

$group

( string ) optional default: default – The group value appended to the $key.

Returns

void string

Source

File name: wordpress-develop-tests/phpunit/includes/object-cache.php

  public function buildKey( $key, $group = 'default' ) {
    if ( empty( $group ) ) {
      $group = 'default';
    }

    if ( false !== array_search( $group, $this->global_groups, true ) ) {
      $prefix = $this->global_prefix;
    } else {
      $prefix = $this->blog_prefix;
    }

    return preg_replace( '/\s+/', '', WP_CACHE_KEY_SALT . "$prefix$group:$key" );
  }
 

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