WordPress at a glance
function is not described

wp_cache_incr() WP 3.3.0

Increment numeric cache item's value

  • See: WP_Object_Cache::incr()
  • Global. WP_Object_Cache. $wp_object_cache Object cache global instance.

No Hooks.

Return

false/Int. False on failure, the item's new value on success.

Usage

wp_cache_incr( $key, $offset, $group );
$key(int/string) (required)
The key for the cache contents that should be incremented.
$offset(int)
The amount by which to increment the item's value.
Default: 1
$group(string)
The group the key is in.
Default: ''

Code of wp cache incr: wp-includes/cache.php VER 5.1.1

<?php
function wp_cache_incr( $key, $offset = 1, $group = '' ) {
	global $wp_object_cache;

	return $wp_object_cache->incr( $key, $offset, $group );
}