wp_cache_add() – Adds data to the cache, if the cache key doesn’t already exist.

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Description

Adds data to the cache, if the cache key doesn't already exist.

Usage

$bool = wp_cache_add( $key, $data, $group, $expire );

Parameters

$key
( int|string ) required – The cache key to use for retrieval later.
$data
( mixed ) required – The data to add to the cache.
$group
( string ) optional – Optional. The group to add the cache to. Enables the same key to be used across groups. Default empty.
$expire
( int ) optional – Optional. When the cache data should expire, in seconds. Default 0 (no expiration).

Returns

bool True on success, false if cache key and group already exist.

Source

File name: wordpress/wp-includes/cache.php
Lines:

1 to 5 of 5
function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {
  global $wp_object_cache;

  return $wp_object_cache->add( $key, $data, $group, (int) $expire );
}
 

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