Determine if a keys exists.

SYNOPSIS

#include <libmemcached/memcached.h>

memcached_return_t memcached_exist(memcached_st *ptr, char *key, size_t *key_length)

memcached_return_t memcached_exist_by_key(memcached_st *ptr, char *group_key, size_t *group_key_length, char *key, size_t *key_length)

Compile and link with -lmemcached

New in version 0.53.

DESCRIPTION

memcached_exist() can be used to check if a key exists.

RETURN

MEMCACHED_SUCCESS

The key exists.

MEMCACHED_NOTFOUND

The key was not found.

SEE ALSO